FNIRSI "HRM-10" is our company's first handheld high-precision attery internal resistance meter. It is a true four-wire measurement internal resistance meter, designed with precision, convenient to carry. The device can automatically test internal resistance and voltage values simultaneously, with measurement results displayed on the screen. Users can also manually adjust the voltage and resistance range. The product features a sorting mode, automatically filtering the good and bad batteries based on user-set thresholds. It also supports historical records and exporting data tables of historical measurements. Specifications Brand FNIRSI Model HRM-10 Type Vehicle Battery Tester Voltage Measuring Range 0 ~ ±100V (DC) Voltage Gear Auto, 1V, 10V, 100V Resistance Measuring Range 0 ~ 200Ω Resistance Gear Auto, 20mΩ, 200mΩ, 2Ω, 20Ω, 200Ω Accuracy ±0.5% Signal Frequency AC 1Khz Rechargeable Type-C Intrrface (5V/1A) Battery 1000mAh lithium battery User Calibration Support Sorting Mode Support History Recoed Support Recorded Data Export Support Working Environment -10℃ ~ +45℃, relative humidity < 80% Storage Environment -20℃ ~ +80℃, relative humidity < 80% Size 158.7x80.5x28.4mm Weight 225g More Product Details