Four-wire and four-point single-kilohertz AC-sinusoidal digital battery internal resistance and voltage meter in the range of 0.00001Ω to 200 Ω and 0 V to 100 V, designed to measure Pb, Li-Ion, Ni-MH, Li-Pol, LiFePO4, Ni-H2, NI-Cd, as well as alkaline and dry batteries, button cell batteries, resistors, etc.

The instrument is used to measure the internal resistance of batteries and the voltage of maximum 100 V and DC current only. The instrument can also measure the resistance of resistors in the circuit and other components. In this case, make sure that the circuit is not live. Failure to follow these recommendations may result in irreversible damage to the instrument.

Functions of the YR1035+

For accurate measurement of very small resistances <5 mΩ, the instrument is equipped with ZR (Zero Resistance) mode. The communication interface of the instrument is set in English. The operation is quite intuitive. The instrument is equipped with a rechargeable Li-Ion battery and a USB port, which is used to charge the instrument and also to connect USB cables (not included). The device has a clearly legible LCD display with blue backlight, which shows in standard operating mode the state of charge of the internal battery of the instrument, the measurement in ohms or volts, the resistance and voltage measurement range selections, the ZR mode and the measured voltage. Four function buttons are located on the front of the instrument.

Technical specifications

Model: YR1035+


Weight: 196 g

Weight including probes: 236 g

Housing material: ABS

Colour: black

Operating Voltage/Charging: 5 V

Maximum charging current: 2 A

Measurement range: 0.01 mΩ ~ 200 Ω; 0 V ~ 100 V DC

Probe cable length: approx. 75 cm

Operating temperature range: 10 °C ~ 40 °C at relative humidity up to 90%

Dimensions (W × H × D): 74 × 142 × 27 mm

Accuracy of internal resistance measurement

Range: Minimum resolution value: Accuracy ± ([percentage accuracy] + [least significant digit]:
20 mΩ 0,01 mΩ 0.7% + 7 (if the ZR function is enabled)
200 mΩ 0,1 mΩ 0,5% + 5
1 mΩ 0,5% + 5
20Ω 10 mΩ 0,5% + 5
200 Ω 0,1 Ω 0,6% + 5

If the measured resistance values are less than 5% and greater than 95% of the preset measurement range, the accuracy may be less than that stated. 

Voltage measurement accuracy

Range: Minimum resolution value: Accuracy ± (% of reading + % of range)
1 V 0,00001 V 0,35 + 0,015
10 V 0,0001 V 0,30 + 0,010
100 V 0,001 V 0,30 + 0,015


Quick user manual for YR1035+

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