393/393 FC
CAT III 1500V TRMS Clamp Meter
Users Manual
July 2021 (English)
© 2021 Fluke Corporation. All rights reserved.
Specifications are subject to change without notice.
All product names are trademarks of their respective companies.
1.888.610.7664 sales@GlobalTestSupply.com
Fluke-Direct.com
LIMITED WARRANTY AND LIMITATION OF LIABILITY
Each Fluke product is warranted to be free from defects in material and workmanship under normal use and
service. The warranty period is three years and begins on the date of shipment. Parts, product repairs, and
services are warranted for 90 days. This warranty extends only to the original buyer or end-user customer of a
Fluke authorized reseller, and does not apply to fuses, disposable batteries, or to any product which, in Fluke's
opinion, has been misused, altered, neglected, contaminated, or damaged by accident or abnormal conditions of
operation or handling. Fluke warrants that software will operate substantially in accordance with its functional
specifications for 90 days and that it has been properly recorded on non-defective media. Fluke does not
warrant that software will be error free or operate without interruption.
Fluke authorized resellers shall extend this warranty on new and unused products to end-user customers only
but have no authority to extend a greater or different warranty on behalf of Fluke. Warranty support is available
only if product is purchased through a Fluke authorized sales outlet or Buyer has paid the applicable
international price. Fluke reserves the right to invoice Buyer for importation costs of repair/replacement parts
when product purchased in one country is submitted for repair in another country.
Fluke's warranty obligation is limited, at Fluke's option, to refund of the purchase price, free of charge repair, or
replacement of a defective product which is returned to a Fluke authorized service center within the warranty
period.
To obtain warranty service, contact your nearest Fluke authorized service center to obtain return authorization
information, then send the product to that service center, with a description of the difficulty, postage and
insurance prepaid (FOB Destination). Fluke assumes no risk for damage in transit. Following warranty repair, the
product will be returned to Buyer, transportation prepaid (FOB Destination). If Fluke determines that failure was
caused by neglect, misuse, contamination, alteration, accident, or abnormal condition of operation or handling,
including overvoltage failures caused by use outside the product’s specified rating, or normal wear and tear of
mechanical components, Fluke will provide an estimate of repair costs and obtain authorization before
commencing the work. Following repair, the product will be returned to the Buyer transportation prepaid and the
Buyer will be billed for the repair and return transportation charges (FOB Shipping Point).
THIS WARRANTY IS BUYER'S SOLE AND EXCLUSIVE REMEDY AND IS IN LIEU OF ALL OTHER
WARRANTIES, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO ANY IMPLIED WARRANTY OF
MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. FLUKE SHALL NOT BE LIABLE FOR
ANY SPECIAL, INDIRECT, INCIDENTAL OR CONSEQUENTIAL DAMAGES OR LOSSES, INCLUDING LOSS
OF DATA, ARISING FROM ANY CAUSE OR THEORY.
Since some countries or states do not allow limitation of the term of an implied warranty, or exclusion or limitation
of incidental or consequential damages, the limitations and exclusions of this warranty may not apply to every
buyer. If any provision of this Warranty is held invalid or unenforceable by a court or other decision-maker of
competent jurisdiction, such holding will not affect the validity or enforceability of any other provision.
11/99
Fluke Corporation
P.O. Box 9090
Everett, WA 98206-9090
U.S.A.
Fluke Europe B. V.
P.O. Box 1186
5602 BD Eindhoven
The Netherlands
1.888.610.7664 sales@GlobalTestSupply.com
Fluke-Direct.com
i
Table of Contents
Title Page
Introduction.......................................................................................................... 1
Contact Fluke ...................................................................................................... 1
Safety .................................................................................................................. 2
Before You Start .................................................................................................. 2
Fluke Connect™ (393 FC)............................................................................ 2
Radio Frequency Data........................................................................... 3
Fluke Connect™ Mobile App................................................................. 3
Battery .......................................................................................................... 4
Features/Controls ......................................................................................... 5
Display.......................................................................................................... 6
Power ........................................................................................................... 7
Auto Power Off ...................................................................................... 7
Backlight................................................................................................ 7
Power-On Options................................................................................. 7
Basic Measurements ........................................................................................... 9
Hazardous Voltage Indicator ........................................................................ 9
AC Voltage Measurement with Test Leads .................................................. 9
DC Voltage Measurement with Test Leads .................................................. 9
Resistance/Continuity................................................................................... 10
Capacitance.................................................................................................. 10
Amps DC ...................................................................................................... 11
Power DC ..................................................................................................... 11
Amps AC ...................................................................................................... 12
Amps AC Measurement with Jaw.......................................................... 12
Amps AC Measurement with iFlex Probe.............................................. 12
Measurement Features ....................................................................................... 14
Display Hold ................................................................................................. 14
Auto Hold...................................................................................................... 14
Min/Max/Avg Measurements ........................................................................ 15
Inrush Current/Peak Current ........................................................................ 16
Data Logging (393 FC) ................................................................................. 16
Clear Memory (393 FC)................................................................................ 16
Firmware Update (393 FC).................................................................................. 16
Firmware Version ................................................................................................ 17
1.888.610.7664 sales@GlobalTestSupply.com
Fluke-Direct.com
ii
393/393 FC
Users Manual
Maintenance ......................................................................................................... 17
How to Clean the Case ................................................................................. 17
Environmental ............................................................................................... 17
Service .......................................................................................................... 18
Specifications ....................................................................................................... 18
General.......................................................................................................... 18
Electrical........................................................................................................ 18
Mechanical .................................................................................................... 21
Environmental ............................................................................................... 22
1.888.610.7664 sales@GlobalTestSupply.com
Fluke-Direct.com
1
Introduction
The Fluke 393/393 FC CAT III 1500V TRMS Clamp Meter (the Product or Clamp) measures:
• true-rms ac current (up to 1000 Aac with jaw measurement) and voltage (up to 1000 Vac)
• dc current (up to 1000 Adc) and voltage (up to 1500 Vdc)
•dc power
• inrush/peak current
• resistance and continuity
• capacitance
• frequency
• dc millivolts
The detachable iFlex (Flexible Current Probe) expands the measurement range to 2500 Aac.
The iFlex provides increased display flexibility and allows measurements of awkward-sized
conductors and improved wire access. The illustrations in this manual show the 393 FC.
The Clamp includes these features:
• Audio Polarity indicator
• Visual Continuity
• Reporting/data logging with Fluke Connect™ (393 FC)
1.888.610.7664 sales@GlobalTestSupply.com
Fluke-Direct.com
393/393 FC
Users Manual
2
A Wa
rning identifies conditions and procedures that are dangerous to the user. A Caution
identifies conditions and procedures that can cause damage to the Product or the equipment
under test.
Before You Start
Table 1 is a list of the items included with the Product.
Fluke Connect™ (393 FC)
Fluke Connect™ software (may not be available in all regions) supports the Clamp to wirelessly
connect your Clamp with a mobile app. The app shows the measurements and other data on
your smartphone or tablet display. You can share this data with your team and save collected
measurements and calculations to the Fluke Connect Cloud.
Fluke Connect uses low-power wireless radio technology to connect the Clamp with an app on
your smartphone or tablet. The wireless radio does not cause interference with Clamp
measurements.
Table 1. Standard Equipment
Item Model Number Description
varies Clamp Meter
TL1500DC 1500 V Test Lead Set
i2500-18 iFlex Flexible Current Probe 18 in (46 cm)
TPAK80-4-8001 Strap 9 in (23 cm)
TPAK80-4-2002C Magnet
37x Carry Case
not shown Safety Information
1
3
4
5
6
2
1.888.610.7664 sales@GlobalTestSupply.com
Fluke-Direct.com
CAT III 1500V TRMS Clamp Meter
Before You Start
3
Radio Frequency Data
Note
Changes or modifications to the wireless 2.4 GHz radio not expressly approved by Fluke
Corporation could void the user’s authority to operate the equipment.
Fluke Connect™ Mobile App
The Fluke Connect™ app works with Apple and Android mobile products. The app is available for
download to your smart device from the Apple App Store and Google Play.
To use the Fluke Connect app:
1. Open the FlukeConnect app on your device.
2. Turn on the Clamp.
3. Push F to activate the radio on the Clamp. E shows on the display.
4. On your smartphone, go to Settings > Bluetooth.
5. Verify that Bluetooth is turned on.
6. Go to the Fluke Connect App and in the list of connected Fluke tools, select 393 FC.
1.888.610.7664 sales@GlobalTestSupply.com
Fluke-Direct.com
393/393 FC
Users Manual
4
Battery
XW Warning
To prevent personal injury and for safe operation of the Product:
• The battery door must be closed and locked before you operate the Product.
• Remove all probes, test leads, and accessories before the battery door is opened.
• Replace the batteries when the low battery indicator shows to prevent incorrect
measurements.
• When batteries are changed, ensure that the calibration seal in the battery
compartment is not damaged. If damaged, the Product may not be safe to use.
Return the Product to Fluke for replacement of the seal.
W Caution
To prevent damage to the battery:
• Repair the Product before use if the battery leaks.
• Do not expose battery to heat sources or high-temperature environments such as
an unattended vehicle in the sun.
• Always operate in the specified temperature range.
• Do not incinerate the Product and/or battery.
The Product ships with the batteries installed. To replace batteries, see Figure 1.
Figure 1. Battery Replacement
1
3
2
1.888.610.7664 sales@GlobalTestSupply.com
Fluke-Direct.com
CAT III 1500V TRMS Clamp Meter
Before You Start
5
Features/Controls
Table 2 is a list of features and controls.
Table 2. Feature/Control Descriptions
Item Description
Jaw
Tactile Barrier
Control Knob
Hold
Push >2 s to enable/disable the Auto
Hold mode.
Display
Extends the function selection to yellow
items on the control knob. Push >2 s to
turn on/turn off the backlight.
Min/Max/Avg for dc power, current,
voltage, resistance, capacitance, and
frequency measurement functions.
INRUSH: push to enter inrush mode.
Push a second time to exit inrush mode.
Integration time is 100 ms.
Push >2 s to enable/disable data logging
function.
Turn on the Fluke Connect feature. F
turns blue and flashes when paired with
the Fluke Connect mobile phone app.
When on, push to save a measurement
to the Fluke Connect mobile app. Push
>2 s to turn off the Fluke Connect feature.
Trigger
Common terminal
Volts/Ohm input terminal
iFlex Current Probe (R-coil) connection
1
2
9
10
11
3
4
5
7
8
6
12
13
1.888.610.7664 sales@GlobalTestSupply.com
Fluke-Direct.com
393/393 FC
Users Manual
6
Display
Table 3 is a list of the display annunciators.
Table 3. Display
Item Description Item Description
Jaw measurement
Min, Max, or Avg measurement indication
iFlex measurement
Zero indication
Fluke Connect feature is on
Continuity indication
Remaining memory (393 FC)
AC or DC measurement
Inrush measurement
Unit of measurement for voltage, current,
dc power, and resistance/capacitance
measurement
Log mode is active (393 FC)
Unit of measurement for frequency and
current measurement
Hold mode is active
Peak value of inrush measurement
MinMax mode is active
Clamp senses a voltage >30 V or a
voltage overload (OL)
Auto Hold mode is active
Polarity indication
Battery status
1 2 3 4 5 7 8 9 10
11
12
14
15
16
17
13
6
18
19
1.888.610.7664 sales@GlobalTestSupply.com
Fluke-Direct.com
CAT III 1500V TRMS Clamp Meter
Before You Start
7
Power
Two AA batteries supply power to the Clamp:
• To turn on the Clamp, rotate the control knob from OFF to a function.
• To turn off the Clamp, rotate the control knob to OFF.
Auto Power Off
The Clamp automatically powers off after 20 minutes of no use. If the Clamp automatically
powers off, turn the control knob to OFF and then to a function to resume operation.
To disable auto power off, see Power-On Options.
Note
Auto power off is always disabled when you use the Min/Max/Avg, Auto Hold,
Fluke Connect, and Data Logging functions.
Backlight
The display on the Clamp includes a backlight that improves the readability in dim work areas.
• 393: Push @ to toggle on/toggle off the backlight.
• 393 FC: Push @ >2 s to toggle on/toggle off the backlight.
The backlight has an auto off feature that turns off the backlight after 2 minutes of no use. To
disable the auto off backlight feature, see Power-On Options.
Power-On Options
Power-on options allow you to customize the controls:
• Disable Auto Power Off
• Disable Auto Backlight Off
• View firmware version and light all LCD segments
• Erase Logging Memory
• Disable Beeper
1.888.610.7664 sales@GlobalTestSupply.com
Fluke-Direct.com
393/393 FC
Users Manual
8
To select a power-on option:
1. Turn off the Clamp.
2. See Ta b l e 4 for option and button sequence.
Table 4. Power-On Options
Option Button Sequence
Disable Auto Power Off
Hold down
I as you turn ON Clamp (rotate control knob)
and push
e for <1 s. Display shows PoFF.
Disable Auto Backlight Off
Hold down
I as you turn ON Clamp (rotate control knob)
and push . Display shows
LoFF.
View firmware version and
light all LCD segments
Any button + ON (rotate control knob)
Erase Logging Memory
Hold down
I as you turn ON Clamp (rotate control knob)
and push
F. Display shows cLr.?. Push F again. Display
shows
ErAS. Display shows donE when erase is complete.
Disable Beeper
Hold down
I as you turn ON Clamp (rotate control knob)
and hold
e for >1 s. Display shows bEEP.
1.888.610.7664 sales@GlobalTestSupply.com
Fluke-Direct.com
CAT III 1500V TRMS Clamp Meter
Basic Measurements
9
Basic Measurements
XW Warning
To prevent possible electrical shock, fire, or personal injury:
• Hold the Product behind the tactile barrier.
• Do not measure current while the test leads are in the input jacks.
Hazardous Voltage Indicator
When the Clamp senses a voltage more than ±30 V or a voltage overload (OL), Z shows on the
display to tell you a hazardous voltage is at the Clamp input.
AC Voltage Measurement with Test Leads
To measure ac voltage and the frequency:
1. Turn control knob to V.
2. Connect the black test lead to the COM terminal and the red test lead to the VX terminal.
3. Touch the probes to the test points of the circuit.
The display shows the ac voltage and the frequency.
DC Voltage Measurement with Test Leads
To measure dc voltage:
1. Turn control knob to N.
2. Connect the black test lead to the COM terminal and the red test lead to the VX terminal.
3. Touch the probes to the test points of the circuit.
The display shows the measurement.
4. Push to toggle on/toggle off the mV function shown in yellow at the control knob
position.
The Clamp checks the polarity during a dc voltage measurement. When dc voltage is less than
-10 V:
1. Red LEDs blink and continue for 10 s.
2. Beeper sounds and continues for 10 s.
3. P blinks on the display.
1.888.610.7664 sales@GlobalTestSupply.com
Fluke-Direct.com
393/393 FC
Users Manual
10
Resistance/Continuity
To measure resistance or continuity:
1. Turn the control knob to D.
2. Remove power from the circuit to test.
3. Connect the black test lead to the COM terminal and the red test lead to the VX terminal.
4. Touch the probes to the test points of the circuit.
The display shows the value.
If the resistance is <30 X, the beeper sounds continuously to indicate continuity and the green
LEDs blink. If the display shows OL, the circuit is open.
Capacitance
The Clamp determines capacitance by charging a capacitor with a known current, measuring the
resulting voltage, then calculating the capacitance.
Note
A good capacitor stores an electrical charge and may remain energized after power is
removed. Before you touch the capacitor or make a measurement, turn all power OFF,
use the Clamp to confirm that power is OFF, and carefully discharge the capacitor by
connecting a resistor across the leads. Be sure to wear appropriate personal protective
equipment.
To measure capacitance:
1. Turn the control knob to
D.
2. Push to shift to the t function.
3. Remove the capacitor from the circuit and discharge the capacitor.
4. Connect the black test lead to the COM terminal and the red test lead to the VX terminal.
5. Touch the probes to the capacitor leads.
The display shows the measurement.
OL indicates the capacitor is faulty or the capacitance value is higher then the measurement
range. diSc indicates the capacitor does not properly discharge.
1.888.610.7664 sales@GlobalTestSupply.com
Fluke-Direct.com
CAT III 1500V TRMS Clamp Meter
Basic Measurements
11
Amps DC
To measure dc current:
1. Turn control knob to }.
2. Push to compensate (zero) for outside influences.
3. Position the Clamp jaw around the conductor.
The display shows the value and C to indicate that the measurement is from the jaw. When
the current measurement is <0.5 A, the center dot in the icon flashes. For current
measurements >0.5 A, the center dot in the icon is steady.
Power DC
To measure dc power:
1. Turn control knob to
}.
2. Push to compensate (zero) for outside influences.
3. Turn control knob to
{.
4. Position the Clamp jaw around the conductor.
5. Connect the black test lead to the COM terminal and the red test lead to the VX terminal.
6. Touch the probes to the test points of the circuit.
The display shows the measurement of dc power and dc current.
The display also shows C to indicate that the measurement is from the jaw.
Note
Push to toggle the readout between dc power and dc voltage.
1.888.610.7664 sales@GlobalTestSupply.com
Fluke-Direct.com
393/393 FC
Users Manual
12
Amps AC
XW Warning
To prevent electrical shock, do not apply or remove from live hazardous
conductors.
Amps AC Measurement with Jaw
To measure amps ac:
1. Turn control knob to
O.
2. Position the Clamp jaw around the conductor.
The display shows the amps ac measurement and frequency and also shows C to indicate
that the measurement is from the jaw.
Amps AC Measurement with iFlex Probe
The high-performance AC Flexible Current Probe uses the Rogowski principle for accurate, non-
intrusive measurement of sinusoidal, pulsed, and other complex waveforms. The flexible and
lightweight measuring head allows quick and easy installation in hard-to-reach areas and works
well with large conductors.
To use the iFlex Probe:
1. Connect the iFlex Probe to the Clamp. See Figure 2.
2. Connect the flexible part of the iFlex Probe around the conductor. If you open the end of the
iFlex Probe to make the connection, make sure that you close and latch the coupling. See the
detail in Figure 2. You should be able to hear and feel the lock snap into place.
Note
When you measure current, center the conductor in the iFlex Probe. Avoid
measurements close to other current-carrying conductors.
3. Keep the probe coupling >2.5 cm (1 inch) away from the conductor.
4. Turn the control knob to
O
5. Push .
The display shows J to indicate that the measurements are from the iFlex Probe. When the
current measurement is <0.5 A, the center dot in the icon flashes. For current measurements
>0.5 A, the center dot is steady.
The display shows the measurement.
1.888.610.7664 sales@GlobalTestSupply.com
Fluke-Direct.com
CAT III 1500V TRMS Clamp Meter
Basic Measurements
13
If the iFlex Probe does not work as expected:
• Make sure that the coupling system is connected and closed correctly or look for any
damage. If any foreign material is present, the coupling system will not close properly.
• Inspect the cable between the iFlex Probe and the Clamp for any damage.
• Check that the control knob is in the correct position
O.
Figure 2. Flex Probe Setup
<0.5 A
>0.5 A
1 2 3 4
>2.5 cm
>1 in
1.888.610.7664 sales@GlobalTestSupply.com
Fluke-Direct.com
393/393 FC
Users Manual
14
Measurement Features
This section is about the Clamp features you can use for measurements.
XW Warning
To prevent possible electrical shock, fire, or personal injury:
• Do not use the HOLD function to measure unknown potentials. When HOLD is
turned on, the display does not change when a different potential is measured.
• Disconnect power and discharge all highvoltage capacitors before you measure
resistance, continuity, capacitance, or a diode junction.
Display Hold
To capture and hold the display reading, push e. The display freezes the readings and H.
The Product periodically beeps to remind you that the measurement is not live. When in HOLD
mode, if the Product senses a voltage more than ±30 V or a voltage overload (OL),
Z shows on
the display to tell you a hazardous voltage is at the Product input.
When in HOLD mode, push e again to resume normal operation with live readings.
Auto Hold
To capture and hold the display reading automatically:
1. Push e >2 s to enable Auto Hold mode.
c shows on the display to indicate that Auto Mode is enabled. The display will freeze and
blink
H automatically.
When in Auto Hold mode, the Clamp periodically beeps to remind you that the measurement
is not live. If the Clamp senses a voltage more than ±30 V or a voltage overload (OL),
Z
shows on the display to tell you a hazardous voltage is at the Clamp input.
When Auto Hold is enabled, the main reading will trigger the hold mode, and the second
reading will not display.
H stops blinking until the main reading triggers the hold mode.
The display updates when the measured value:
• exceeds the threshold value (voltage, capacitance, current, dc power)
• is less than the threshold value (Ohm) and stabilizes within the fluctuation range/delta
value.
See Table 5.
1.888.610.7664 sales@GlobalTestSupply.com
Fluke-Direct.com
CAT III 1500V TRMS Clamp Meter
Measurement Features
15
2. When in Auto Hold mode, push e >2 s again to exit the Auto Hold mode.
Note
Auto Power Off is always disabled when you use the Auto Hold function. When Auto Hold
is enabled on VA, push to disable it automatically. Auto hold is disabled when
Inrush Current/Peak Current or Min/Max/Ave is enabled.
Min/Max/Avg Measurements
Min/Max/Avg mode captures the minimum, maximum, and average readings of a given output
signal over an extended time. The Clamp beeps when it senses a new high value or new low
value. It applies for both reading except for Inrush Current/Peak Current. Push
e to pause the
reading update (recording continues).
This function works in current, voltage, and frequency modes:
1. Push M to enter the Min/Max/Avg mode.
The maximum reading shows on the display.
2. Continue to push M to select between the maximum, minimum, average, and live readings.
The cycle continues each time you push M.
3. To exit Min/Max/Avg mode, push and hold M for >2 s.
Note
The Min/Max/Avg function does not support Auto Hold and Inrush Current/Peak Current.
Auto Power Off is always disabled when you use the Min/Max/Avg, Auto Hold, and
Logging functions or Fluke Connect is active.
Table 5. Auto Hold Functions
Function Threshold Fluctuation Range/Delta
V ac 10 V 2 V
V dc 10 V 2 V
mV dc 20 mV 5 mV
Ohm 60 kΩ 2.0 Ω/20 Ω/0.20 kΩ
Capacitance 10 μF2 μF
A dc 10 A 2 A
A ac 10 A for Clamp/25 A for iFlex 2 A for Clamp/5 A for iFlex
dc Power 10.0 kVA 2.0 kVA
1.888.610.7664 sales@GlobalTestSupply.com
Fluke-Direct.com
393/393 FC
Users Manual
16
Inrush Current/Peak Current
Inrush Current is surge current that occurs when an electrical device is first powered on. The
Clamp can capture this surge current reading. Current spikes from motor drives are one example
of such an event. The Inrush function takes samples over a 100 ms period and calculates the
starting current envelope.
To measure inrush current:
1. Select the measurement function (ac current, dc current, or iFlex ac current).
2. Center the Jaw or iFlex Probe around the live wire on the device.
3. Push I.
Dashes show on the display until the Clamp detects the inrush current. When the inrush
current is detected, the measurement and the peak value show simultaneously on the
display.
Data Logging (393 FC)
The Fluke Connect™ app enables you to log the data measurements. This app shows
measurements from the connected Clamp on your smartphone or tablet display. The app also
saves the measurements in the Product internal memory and to the Fluke Connect Cloud™
storage. With Fluke Connect Cloud storage you can easily share the information with your team.
Note
The logging interval is set in the Fluke Connect app. Logging is not available for the
inrush mode.
To log measurements:
1. On the Clamp, push I for >2 s.
The memory icon indicates how much memory is available.
2. On the Clamp, push I for >2 s to stop logging.
Clear Memory (393 FC)
See Power-On Options.
Firmware Update (393 FC)
Firmware updates are available for Clamps that have the Fluke Connect™ feature. The Fluke
Connect mobile app shows a notification if a firmware update is available when the unit is
connected to the app.
To update:
1. Make sure the Product has at least 50 % battery power available.
2. Make sure you download all the logged data before you update the firmware.
3. In the app, tap Update to start the firmware update to the Product.
1.888.610.7664 sales@GlobalTestSupply.com
Fluke-Direct.com
CAT III 1500V TRMS Clamp Meter
Firmware Version
17
Firmware Version
To find the firmware version for the Clamp, see Power-On Options.
Maintenance
The Product does not require routine maintenance.
XW Warning
To prevent possible electrical shock, fire, or personal injury:
• Remove the input signals before you clean the Product.
• Repair the Product before use if the battery leaks. Battery leakage may create a
shock hazard or damage the Product.
• Use only specified replacement parts.
• Have an approved technician repair the Product.
• Remove the batteries if the Product is not used for an extended period of time, or
if stored in temperatures above 50 °C. If the batteries are not removed, battery
leakage may result.
How to Clean the Case
Wipe the case with a damp cloth and mild detergent.
W Caution
Do not use abrasives, isopropyl alcohol, or solvents to clean the case or lens/
window.
Environmental
This Product has electronic printed circuit boards. These components must be disposed of
specifically when the Product is at the end of its use. The manufacturer offers to take back the
Product from the customer to ensure that the Product is disposed of in an environmentally-
friendly manner when it is at the end of its use.
See Contact Fluke for more information.
1.888.610.7664 sales@GlobalTestSupply.com
Fluke-Direct.com
393/393 FC
Users Manual
18
Service
An authorized Fluke Calibration service center should service the Product at two-year intervals to
maintain optimum performance. Contact your equipment distributor or authorized Fluke
Calibration Service Center for any equipment performance failure or to schedule regular
maintenance service. See Contact Fluke for more information.
Table 6 is a list of the available replacement parts.
Specifications
General
Maximum voltage between any Terminal and Earth Ground
AC................................................................. 1000 V
DC ................................................................ 1500 V
Batteries .......................................................... 2 AA IEC LR6 alkaline
Display............................................................. Dual display with backlight
Automatic Power Off........................................ 20 minutes
Electrical
Accuracy
Accuracy is specified for 1 year after calibration, at operating temperatures of 18 °C to 28 °C, relative humidity at 0 %
to 75 %. Accuracy specifications take the form of: ±([% of Reading] + [Number of Least Significant Digits]).
Temperature Coefficients ................................. Add 0.1 x specified accuracy for each °C >28 °C or <18 °C
AC Current: Jaw
Range.............................................................. 999.9 A
Resolution........................................................ 0.1 A
Accuracy.......................................................... 2 % + 5 digits (10 Hz to 100 Hz)
2.5 % + 5 digits (100 Hz to 500 Hz)
Crest Factor (50/60 Hz) ................................... 2.5 @600.0 A
3.0 @500.0 A
1.42 @999.9 A
Add 2 % for C.F. >2
Table 6. Replacement Parts
Item Quantity Fluke Part Number
Battery, AA 1.5 V 2 376756
Battery Door Assembly 1 5266613
TL1500DC Test Lead Set 1 5292172
Flexible Current Probe i2500-10 1 3676410
Flexible Current Probe i2500-18 1 3798105
Magnet Strap 1 4329190
Strap, 9-inch 1 669960
Carry Case 1 5211830
1.888.610.7664 sales@GlobalTestSupply.com
Fluke-Direct.com
CAT III 1500V TRMS Clamp Meter
Specifications
19
AC Current: Flexible Current Probe
Range .............................................................. 999.9 A
2500 A
Resolution........................................................ 0.1 A (≤999.9 A)
1 A (≤2500 A)
Accuracy.......................................................... 3 % RD + 5 digits (10 Hz to 500 Hz)
Crest Factor (50/60Hz) .................................... 2.5 @1400 A
3.0 @1100 A
1.42@2500 A
Add 2 % for C.F. >2
Position Sensitivity
DC Current
Range .............................................................. 999.9 A
Resolution........................................................ 0.1 A
Accuracy.......................................................... 2 % RD + 5 digits
[1]
[1] When using the ZERO ( ) function to compensate for offsets.
Distance from
Optimum
i2500-10 Flex i2500-18 Flex Error
A 0.5 in (12.7 mm) 1.4 in (35.6 mm) ±0.5 %
B 0.8 in (20.3 mm) 2.0 in (50.8 mm) ±1.0 %
C 1.4 in (35.6 mm) 2.5 in (63.5 mm) ±2.0 %
Measurement uncertainty assumes centralized primary conductor at optimum position, no external electrical or
magnetic field, and within operating temperature range.
A
B
C
1.888.610.7664 sales@GlobalTestSupply.com
Fluke-Direct.com
393/393 FC
Users Manual
20
AC Voltage
Range.............................................................. 600.0 V
1000 V
Resolution........................................................ 0.1 V (≤600.0 V)
1V (≤1000 V)
Accuracy.......................................................... 1 % RD + 5 digits (20 Hz to 500 Hz)
DC Voltage
Range.............................................................. 600.0 V
1500 V
Resolution........................................................ 0.1 V (≤600.0 V)
1V (≤1500 V)
Accuracy.......................................................... 1 % RD + 5 digits
mV dc
Range.............................................................. 500.0 mV
Resolution........................................................ 0.1 mV
Accuracy.......................................................... 1 % RD + 5 digits
Amps Frequency: Jaw
Range.............................................................. 5.0 Hz to 500.0 Hz
Resolution........................................................ 0.1 Hz
Accuracy.......................................................... 0.5 % RD + 5 digits
Trigger Level.................................................... 5 Hz to 10 Hz, ≥10 A
10 Hz to 100 Hz, ≥5A
100 Hz to 500 Hz, ≥10 A
Amps Frequency: Flexible Current Probe
Range.............................................................. 5.0 Hz to 500.0 Hz
Resolution........................................................ 0.1 Hz
Accuracy.......................................................... 0.5 % RD + 5 digits
Trigger Level.................................................... 5 Hz to 20 Hz, ≥25 A
20 Hz to 100 Hz, ≥20 A
100 Hz to 500 Hz, ≥25 A
Voltage Frequency
Range.............................................................. 5.0 Hz to 500.0 Hz
Resolution........................................................ 0.1 Hz
Accuracy.......................................................... 0.5 % RD + 5 digits
Trigger Level.................................................... 5 Hz to 20 Hz, ≥5 V
20 Hz to 100 Hz, ≥5 V
100 Hz to 500 Hz, ≥10 V
1.888.610.7664 sales@GlobalTestSupply.com
Fluke-Direct.com
CAT III 1500V TRMS Clamp Meter
Specifications
21
DC Power
Range .............................................................. 600.0 kVA (600.0 V dc range)
1500 kVA (1500 V dc range)
Resolution........................................................ 0.1 kVA
1 kVA
Accuracy.......................................................... 2 % RD + 2.0 kVA
2 % RD + 20 kVA
Resistance
Range .............................................................. 600.0 Ω
6000 Ω
60.00 kΩ
Resolution........................................................ 0.1 Ω (≤600.0 Ω)
1 Ω (≤6000 Ω)
0.01 kΩ (≤60.00 kΩ)
Accuracy.......................................................... 1 % RD + 5 digits
Capacitance
Range .............................................................. 100.0 μF
1000 μF
Resolution........................................................ 0.1 μF (≤100.0 μF)
1 μF (≤1000 μF)
Accuracy.......................................................... 1 % RD + 5 digits
Inrush
Trigger Level.................................................... 5 A
Mechanical
Size (L x W x H)............................................... 281 mm x 84 mm x 49 mm
Weight (with batteries ...................................... 520 g
Jaw Opening.................................................... 34 mm
Flexible Current Probe Diameter ..................... 7.5 mm
Flexible Current Probe Cable Length
(head to electronics connector)........................ 1.8 m
1.888.610.7664 sales@GlobalTestSupply.com
Fluke-Direct.com
393/393 FC
Users Manual
22
Environmental
Operating Temperature .................................... -10 °C to 50 °C
Storage Temperature ....................................... -40 °C to 60 °C
Operating Humidity .......................................... Non condensing (<10°C)
≤90 % RH (at 10 °C to 30 °C)
≤75 % RH (at 30 °C to 40 °C)
≤45 % RH (at 40 °C to 50 °C)
Operating Altitude ............................................ 2000 m
Storage Altitude ............................................... 12 000 m
Ingress Protection (IP) Rating.......................... IEC 60529: IP54 non-operating
Electromagnetic Compatibility (EMC)
International .................................................. IEC 61326-1: Portable, Electromagnetic Environment, IEC 61326-2-2
CISPR 11: Group 1, Class A
Group 1: Equipment has intentionally generated and/or uses
conductively-coupled radio frequency energy that is necessary for the
internal function of the equipment itself.
Class A: Equipment is suitable for use in all establishments other than
domestic and those directly connected to a low-voltage power supply
network that supplies buildings used for domestic purposes. There may
be potential difficulties in ensuring electromagnetic compatibility in
other environments due to conducted and radiated disturbances.
Caution: This equipment is not intended for use in residential
environments and may not provide adequate protection to radio
reception in such environments.
Korea (KCC) ................................................. Class A equipment (Industrial Broadcast & Communications
Equipment)
Class A: Equipment meets requirements for industrial electromagnetic
wave equipment and the seller or user should take notice of it. This
equipment is intended for use in business environments and not to be
used in homes.
USA (FCC).................................................... 47 CFR 15 subpart B. This product is considered an exempt device per
clause 15.103.
Safety
General............................................................ IEC 61010-1, Pollution Degree 2
Measurement................................................... IEC 61010-2-032: CAT III 1500 V / CAT IV 600 V
IEC 61010-2-033: CAT III 1500 V / CAT IV 600 V
Wireless Radio
Radio frequency certification ........................... FCC ID: T68-FBLE, IC: 6627A-FBLE
Wireless Radio Frequency Range ................... 2400 MHz to 2483.5 MHz
Output Power................................................... <100 mW
SIMPLIFIED EU DECLARATION OF CONFORMITY
Hereby, Fluke declares that the radio equipment contained in this Product is in compliance with Directive 2014/53/EU.
The full text of the EU declaration is available at the following Internet address:
1.888.610.7664 sales@GlobalTestSupply.com
Fluke-Direct.com
