Model Number: SM8124 Brand Name: tlead Key Specifications/Special Features: Voltmeter of internal battery resistance is mainly used to measure battery terminal voltage and internal resistanceThe internal resistance is measured with the international standard AC signal (1000Hz±10%) 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 timeIt is applicable for measurement of internal resistances of lithium-ion, nickel-hydroxide, lithium-manganese, lead-acid and other single cell or all kinds of assembled batterySpecifications:3-1/2 digits 18mm LCD

Voltage measurement range: 0-1.999V, 2-19.99V, 20-199.9V

Voltage resolution: (0~1.999V)1mV, (2~19.99V)10mV, (20~100V)100mV

Internal resistance range: 0~199.9m, 200~1,999m, 2~19.99

Internal resistance resolution: (0~199.9m)0.1m, (200~1,999m)1m, (2~19.99)10m