Instruction Manual

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and data access.
III. Range and accuracy
Accuracy
guarantee
conditions
Accuracy guarantee period: 1 year
Accuracy guarantee period after calibration: 1 year
Accuracy guaranteed temperature and humidity range: 23℃±5℃, below
80%RH
Warm-up time: not required
Temperature
characteristics
Add test accuracy 0.1/℃ within the operating temperature range (except
18℃~28℃)
Excitation
signal
accuracy
Measuring current accuracy: ±25%
Measuring current frequency: 1.000KHz ± 20Hz
(Using multi-stage noise reduction technology to effectively filter out noise
interference of different frequencies or near the same frequency)
3.1 Resistance measurement accuracy
Range
Maximum
display
Resolution
Test accuracy
Measuring
current
3 mΩ
3.100 mΩ
1 uΩ
± 1 % fs. ± 2 0 dgt.
200 mA
30 mΩ
31.00 mΩ
10 uΩ
±0.5 % fs. ±15 dgt.
200 mA
300 mΩ
310.0 mΩ
100 uΩ
20 mA
3 Ω
3.100 Ω
1 mΩ
2 mA
3.2 Voltage measurement accuracy
Range
Maximum
display
Resolution
Test accuracy
7 V
±7.100 V
1 mV
±0.2 % fs. ±10 dgt.
70 V
±71.00 V
10 mV
3.3 Temperature measurement accuracy
Range
Maximum
display
Resolution
Test accuracy
-10.0℃~60.0℃
60.0℃
0.1℃
±1.0℃
Note: The above accuracy guarantee is limited to the factory standard test leads. When
using non-standard test leads or extension cables, this accuracy table is also applicable after
zero adjustment.
IV．Technical Specification
Function
Battery internal resistance measurement, battery voltage
measurement, temperature measurement