SM8124A Battery Resistance Voltmeter Internal Impedance Meter LCD Rechargeable Battery Impedance int

Features Model SM8124 Voltmeter OF INTERNAL BATTERY RESISTANCE Voltmeter of internal battery resistance is mainly used to measure battery terminal voltage and internal resistance The internal resistance is measured with the international standard AC signal 1000Hz10 by means of four wire method to ensure the impact of the test probe of the contact resistance of the instrument the wire and battery output terminal on the measured value and the battery voltage can also be measured at the same time It is applicable for measurement of internal resistances of Lithium ion nickel hydroxide lithium manganese cells or assembled battery Specification 1 a Voltage measurement range0 1 999V2V 19 99V20V 100 0Vb Voltage resolution 0 1 999V 1mV 2V 19 99V 10mV 20V 100 9V 100mV c measurement accuracy 1 1 2 a Internal resistance measurement range 1m 199 9m200m 1999m2 19 99b Internal resistance resolution 1m 199 9m 0 1m 200m 1999m 1m 2 19 99 10m c measurement accuracy 5 1 3 Environment temperature 10℃ 40℃4 Power One 9V battery not included 5 Display LCD6 Low voltage prompt7 Dimensions 130X72X30mm Operation instructions A Internal battery resistance measurement1 Open battery door and put in a 9V battery then close the battery door properly 2 Turn the power switch toposition and 1 will be displayed on the screen put the measurement range to 200m position and put the respective test