- 3 -
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. ±20 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 m
Ω
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
