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GENERAL SPECIFICATIONS
Klein Tools CL390 is an automatically ranging true root mean
square (TRMS) digital clamp meter that measures AC/DC current
via the clamp, AC/DC voltage, DC microamps, resistance, continuity,
frequency, capacitance, tests diodes via test-leads, and temperature
via a thermocouple probe. It features a high visibility, reverse contrast
LCD display that optimizes viewability both in dark or bright ambient
lighting.
• Operating Altitude: 6562 ft. (2000m)
• Relative Humidity: <95% non-condensing
• Operating Temp: 32° to 122°F (0° to 50°C)
• Storage Temp: 14° to 122°F (-10° to 50°C)
• Accuracy: Values stated at 65° to 83°F (18° to 28°C)
• Temp Coefcient: 0.1 x (Quoted Accuracy) per °C above
28°C or below 18°C, corrections are required when ambient
working temp is outside of Accuracy Temp range
• Dimensions: 8.46" x 3.54" x 1.50" (215 x 90 x 38 mm)
• Weight: 10.26 oz. (291 g) including batteries
• Calibration: Accurate for one year
• Auto Power-Off (APO): After approx. 5 minutes of inactivity
• Standards: IEC EN 61010-1, 61010-2-032, 61010-2-033.
IEC EN 61326-1, 61326-2-2.
Conforms to UL STD.61010-1,
61010-2-032,61010-2-033;
Certified to CSA STD.C22.2 NO. 61010-1,
61010-2-032,61010-2-033.
• Pollution degree: 2
• Accuracy: ± (% of reading + # of least significant digits)
• Drop Protection: 6.6 ft. (2m)
• Safety Rating: CATIII 600V, Class 2, Double insulation
CAT III: Measurement category III is applicable to test and
measuring circuits connected to the distribution part of the
building’s low-voltage MAINS installation.
• Electromagnetic Environment: IEC EN 61326-1. This
equipment meets requirements for use in basic and controlled
electromagnetic environments like residential properties,
business premises, and light-industrial locations.
Specifications subject to change.
ELECTRICAL SPECIFICATIONS
Function Range Resolution Accuracy
AC Voltage
(V AC)
400.0mV 0.1mV ±(1.8% + 5 digits)
4.000V 0.001V ±(1.5% + 5 digits)
40.00V 0.01V
±(1.2% + 5 digits)
400.0V 0.1V
600V 1V ±(1.5% + 5 digits)
DC Voltage
(V DC)
400.0mV 0.1mV ±(1.0% + 8 digits)
4.000V 0.001V
±(0.8% + 3 digits)40.00V 0.01V
400.0V 0.1V
600V 1V ±(1.0% + 3 digits)
Input Impedance: ~10MΩ
Frequency Range: 45 to 400Hz
Maximum Input: 600V AC RMS or 600V DC
AC Current
(A AC)
40.00A 0.01A
±(2.0% + 9 digits)
400.0A 0.1A
DC Current
(A DC)
40.00A 0.01A
±(2.0% + 9 digits)
400.0A 0.1A
Frequency Range: 50 to 60Hz
Minimum Current Measurable: 0.3A AC or DC
DC
Microamps
(DC µ)
200µA 0.1µA ±(1.0% + 5 digits)
Maximum Input: 600V AC RMS or 600V DC
Resistance
400.0Ω 0.1Ω ±(1.2% + 5 digits)
4.000kΩ 0.001kΩ
±(1.2% + 3 digits)
40.00kΩ 0.01kΩ
400.0kΩ 0.1kΩ
4.000MΩ 0.001MΩ
40.00MΩ 0.01MΩ ±(2.0% + 5 digits)
Maximum Input: 600V AC RMS or 600V DC
ENGLISH
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