FLUKE 393FC User Manual for the Fluke 393FC True-rms Clamp Meter with iFlex, CAT III 1500 V, 1500 V DC/1000 V AC/ 999.9 A DC or AC

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CAT III 1500V TRMS Clamp Meter

Measurement Features

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

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FLUKE 393FC True-rms Clamp Meter with iFlex, CAT III 1500 V, 1500 V DC/1000 V AC999.9 A DC or AC