GW Instek GCM-407, User Manual

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GCM-407 User Manual GCM-407 User Manual
Test Position Error:
An additional reading error of ±1.0% may occur
when the measured wired is not clamped into the
center of the clamp head.
Impact Resistance Strength:
1m fall impact.
Maximum Clamp Head Diameter:
30mm
Maximum Diameter of Conductor Allowed:
30mm
Electromagnetic Field Impact:
Using this meter near electromagnetic fields may
result in an unstable display or inaccurate readings.
Power:
3 AAA 1.5V zinc manganese batteries.
Dimensions:
228mmx77mmx41mm;
Weight:
About 265g (inclusive of the battery).
2. Environment Constraints:
Working environment: Indoor
Altitude: 2000m
Safety codes: IEC61010-1; IEC61010-2-032;
CAT II 1000V, CAT III 600V;
Pollution grade: 2;
Operating humidity and temperature: 0ºC ~ 30ºC
(not greater than 80%RH), 30ºC ~ 40ºC (not
greater than 75%RH), 40ºC ~ 50ºC (not greater
than 45%RH).
Storage humidity and temperature: -20ºC ~ 60ºC
(not greater than 80% RH).
3. Electrical Specifications
Accuracy: ±(% of r digits)
Calibration interval: 1 year.
Ambient temperature: 23ºC±5ºC.
Ambient humidity: ≤80% RH
Temperature coefficient: 0.1x(accuracy)/ºC
1. AC Current ( )
Display: True RMS AC current: applicable for
ranges from 10% to 100%.
Frequency response: 50Hz ~ 60Hz;
The measurement accuracy of non-sinusoidal
current waveforms should be 5% higher.
2. AC Voltage ( )
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