3. Specification
The instrument shall be re-calibrated at an interval of one year under the conditions of 18 ℃-28 ℃
and relative humidity of less than 75%.
3.1 Overview
• The instrument is designed to automatically select measurement functions and measuring ranges.
• Full range overload protection.
• Allowable max voltage between terminal to be measured and ground:600V DC or 600V AC
• Working weight: max2000m
• Display unit: LCD
• Max display value:6000 numbers
• Polarity indication: automatic indication.‘-’indicates negative polarity.
• Over range indication:‘0L’ or ‘-0L’
• Sampling rate: approximately 3 times per second
• Unit display: to display functions and electric quantity
• Automatic shut-down time:10 minutes
• Power supply: 1.5V AAA battery ×2
• Battery under-voltage indication: LCD display the symbol .
• Temperature coefficient: less than0.1x accuracy/℃
• Working temperature:18℃ ～ 28℃
• Storage temperature:-10℃ ～ 50℃
3.2 Technical parameters
3.2.1 AC current
- Minimum input current: 0.01A AC current
- Max input current: 600A AC current
- Frequency range:45～ 65Hz ;
- At the moment of AC current measurement, the instrument will automatically enable the internal
low pass filter and filter out high frequency current,
Measuring range
6A
60A
400A
400A~600A
Resolution
0.001A
0.01A
0.1A
0.1A
Accuracy
±（2.5% Reading + 8digits）
±（3% reading + 10 digits）
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