MEWOI-YR1035+20mΩ/200mΩ/2Ω/20Ω/200Ω,DC100V,high accuracy Battery Internal Resistance Tester DC Voltage Tester,Portable AC Internal Resistance Tester (ACR@1KHz) for All Batteries 0-100V

MEWOI-YR1035+20mΩ/200mΩ/2Ω/20Ω/200Ω,DC100V,high accuracy Battery Internal Resistance Tester DC Voltage Tester

  • Main Features:: MEWOI-YR1035+20mΩ/200mΩ/2Ω/20Ω/200Ω,DC100V
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MEWOI-YR1035+20mΩ/200mΩ/2Ω/20Ω/200Ω,DC100V,high accuracy Battery Internal Resistance Tester DC Voltage Tester,Portable AC Internal Resistance Tester (ACR@1KHz) for All Batteries 0-100V

MEWOI OEM/ODM  Instruments Manufacturer

INTRODUCTION

MEWOI-YR1035+ battery internal resistance tester is a true four-wire internal resistance tester, which can measure the internal resistance and voltage at the same time. It can also be used to measure the resistance. The measurement results are displayed on the same screen. This product is suitable for battery configuration, battery performance testing, battery screening and other aspects.The

machine structure exquisite, easy to carry, is your ideal electrician, electronic testing machine.

SAFTY WARNING

The machine shall not input DC voltage greater than 100V. No AC voltage can be input under any conditions. MicroUSB port is used for charging and 4.5V-5.5V voltage is input.


Precision Specification

Format of precision specification:± ([degree percentage]+[minimum significant digit])
RangeMaximum ResolutionAccuracyDisplay Mode

20mΩ

0.01mΩ

0.7%+7
22.00mΩ

200mΩ

0.1mΩ

0.5%+5
220.0 mΩ

1mΩ
0.5%+5
2.200 Ω

20Ω

10mΩ
0.5%+5
22.00 Ω
200Ω 
0.1Ω
0.6%+5
220.0 Ω
※The range of gear range is 5%-95%, and the error may be greater than the above precision if the range is not within this range (less than 5% range, or greater than 95% range).
Voltage measurement: ±(% reading +% range)
RangeMaximum resolutionAccuracyDisplay mode

1V

0.00001V
0.15+0.015
.99999V

10V

0.0001V
0.15+0.010
9.9999V

100V 

0.001V
0.15+0.015
99.999V
Positive and negative symmetry error ±(0.012% +5 words) Temperature Drift 100ppm/℃ within normal service temperature (10℃-40℃)

General technical indicators

Maximum voltage between any terminals:
100V
Display:
Internal resistance number: 2,000 count voltage number: 99,999 count, updated 4 times per second
Temperature: Working: 10℃-40℃, storage:-20℃-60℃ internal resistance temperature, coefficient: 0.1 * (specified accuracy)/℃(<18℃ or="">28℃)
Battery type:
3.7V 2550mAh 18650

Power consumption:

<60mA (200mΩ and above range, when the power supply is 3.7V, the backlight is off)

< 120 ma (20 m Ω range, the power supply of 3.7 V, the backlight off)

<10mA (enter low power mode)

0mA (Power off)

Matters needing attention in the test

1. The machine has been calibrated before delivery, and there is no need to calibrate or reset

the machine.

2. After starting up, check the internal resistance and voltage range. For example, connect the

test line to test directly on the automatic range AUTO.

3. The twined test wire should not be disassembled, but should be wound in red and black when received, and should be wound in vain.Double stranded can enhance anti-interference and improve measurement accuracy.

4. Each test line of the indicator pen shall be in good contact with the battery under test, and there shall be no connection between each test line.

5. Use of Kelvin plus test wire: the clamp must be open when measuring the battery. There should be no direct contact between the two metal pieces of each clamp and the battery electrode.

6. Use of 18650 battery stand: align the back edge of the movable stand with the length scale according to the length of the battery, and compress the negative contact with the battery before putting it in.So that the positive and negative poles can not expose the middle of the yellow needle, otherwise it can not be stable and accurate measurement.

7. Use of probe test line: the positive and negative poles of the vertical battery press down the probe to shrink part of the probe and make both probes touch the battery independently.Make sure that the positive and negative surfaces of the battery are clean, otherwise poor contact can not be stable and accurate measurement.

Referance Table For Battery Internal Resistance Measurement

Serial NumberCapacityVoltageResistanceSerial NumberCapacityVoltageResistance
10.8AH12V120.00mΩ33
150AH12V4.00

2

1.3AH12V102.0034200AH12V3.00
32.2AH12V63.7035230AH12V2.00
43.3AH12V55.7036250AH12V1.00
54.0AH12V46.90371.3AH6V55.00
65AH12V37.40382.8AH6V40.00
76AH12V30.20393.2AH6V28.50
87AH12V23.00404AH6V24.00
98AH12V20.00415AH6V18.30
109AH12V19.00427AH6V14.00
1110AH12V18.704310AH6V12.00
1212AH12V14.4044110AH6V4.30
1314AH12V13.6045200AH6V1.70
1415AH12V13.0046100AH2V1.00

15

17AH12V12.1047150AH2V0.83
1618AH12V11.4048170AH2V0.76
1720AH12V10.6049200AH2V0.70
1824AH12V9.8050250AH2V0.68
1925AH12V9.5051300AH2V0.65
2026AH12V9.2052350AH2V0.60
2128AH12V8.9053400AH2V0.50
2231AH12V8.6054420AH2V0.48
2333AH12V8.4055450AH2V0.45
2438AH12V8.2056462AH2V0.43
2540AH12V7.9057500AH2V0.40
2660AH12V6.5058600AH2V0.32
2765AH12V5.8059800AH2V0.24
2875AH12V5.50601000AH2V0.20
2980AH12V5.30611500AH2V0.16
3085AH12V5.00622000AH2V0.12
31100AH12V4.50633000AH2V0.11
32120AH12V4.30




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