Benning MM 10-1 True RMS digital multimeter for heating, ventilation and air conditioning technology as well as service and industry. Digital display. Analogue bar display yes. 4-digit LCD display (6000 points). With screen backlight. Smallest resolution for direct voltage 0.1 mV. Max. voltage measuring range DC 1000 V. Smallest resolution for alternating voltage 0.1 mV. Max. voltage measuring range AC 1000 V. Smallest resolution for direct current 0.1 µA. Max. current measuring range DC 0.4 A. Smallest resolution for alternating current 0.1 µA. Max. current measuring range AC 0.4 A. Smallest resolution for resistance 0.1 Ohm. Max. resistance measuring range 40 MOhm. Smallest resolution for capacitance 0.001 µF. Max. capacitance measuring range 10000 µF. Capacitance measurement yes. Capacitance measurement yes. Smallest frequency resolution 0.01 Hz. Max. frequency measuring range 100 kHz. Frequency measurement yes. Smallest temperature resolution 0.1 °C. Max. temperature measuring range 400 °C. Temperature measurement -40 °C - +400 °C. Temperature measurement yes. Continuity test/diode test yes. Continuity test (< 20 Ohm - 200 Ohm)/ diode test (1.5 V). True RMS measurement (TRMS) yes. Data logger and memory function (4000 measured values). Bluetooth interface yes. Free IOS and Android app BENNING MM-CM Link for downloading, saving and sharing measured values via smartphone/tablet. AutoV function for automatic AC/DC voltage detection. Low input impedance (LoZ) to suppress capacitive/inductively stray voltages. Low-pass filter (HFR high frequency suppression, 800 Hz) for measurements on clocked motor drives. Volt sensor for contactless phase and cable break testing (red LED). Automatic measuring range selection. Automatic switch-off. Automatic low battery indication. Instantaneous value memory (data hold) yes. Measured value memory yes. Maximum value memory yes MAX. Minimum value memory yes MIN. Relative value measurement yes REL. Measuring circuit category CAT IV. Max. voltage measuring circuit category 600 V. Measuring circuit category CAT III. Max. voltage measuring circuit category 1000 V. Includes case, measuring leads, wire temperature sensor, 2 x 1.5 V Mignon/AA/LR6 batteries, fuse 440 mA (10016655).