RICHMETERS RM101 True RMS Multifunctional LCD Digital Multimeter DMM DC AC Voltage Current Meter Resistance Diode Capacitance Tester Measurement Automatic Polarity Identification Ammeter Voltmeter Ohm It can be used to measure AC/DC voltage, AC/DC current, resistance, capacitance, diode, continuity testing, frequency, etc. This battery powered product uses double-integral style A/D transform as its core, and is characterized by stable function and high reliability. With the features of overload conservation and backlight lighted LCD display for clear reading, this product is a perfect tool for lab, factory, radio fans, and family use. Features: LCD display with backlight.  Max. display: 6000 Counts. Automatic polarity identification. Measurement mode: Double-integral style A/D transform. Measure AC/DC voltage, AC/DC current, resistance, capacitance, diode, continuity testing, frequency, etc. RM102 is specially designed with temperature measurement function. Over range indication: OL. Low voltage indication. Auto power off. Sample rate: 3 times per second. Specifications: Model: RM101, RM102 (optional) Maximum display: 6000 Working environment: 0-40℃ Relative humidity: ＜80% Supply power: 3V (1.5V battery * 2) (Not included) DC voltage: 600mV/6V/60V/600V/1000V DC voltage resolution: 0.1mV/1mV/10mV/100mV/1V AC voltage: 6V/60V/600V/700V AC voltage resolution: 1mV/10mV/100mV/1V DC current: 600μA/6000μA/60mA/600mA/10A DC current resolution: 0.1μA/1μA/10μA/100μA/10mA AC current: 600μA/6000μA/60mA/600mA/10A AC current resolution: 0.1μA/1μA/10μA/100μA/10mA Resistance: 600Ω/6kΩ/60kΩ/600kΩ/6MΩ/60MΩ Resistance resolution: 0.1Ω/1Ω/10Ω/100Ω/1kΩ/10kΩ Capacitance: 10nF/100nF/1μF/10μF/100μF/1000μF/10000μF  Capacitance resolution: 10pF/100pF/1nF/10nF/100nF/1μF/10μF Temperature: -20~1000°C / -4~1832°F(only for RM102) Temperature resolution: 1°C/1°F Item size: Approx. 13 * 6.5 * 3.2cm / 5.1 * 2.56 * 1.26in Item weight: 113g / 3.98oz Package size: 15.5 * 10 * 5cm / 6.1 * 3.94 * 1.97in Package weight: 182g / 6.42oz (RM101), 240g / 8.46oz (RM102) Package list: 1 * Multimeter 1 * Pair of test leads 1 * English user manual Note: When switched to mV, it is normal if there is slight value change even without operation, and the testing result won't be influenced at all.