SET measuring device box for master electricians. Testing and measuring technology set for master electricians consisting of multimeter Benning MM 2-3 (044693), current clamp Benning CM 2-1 (044689), voltage tester DUSPOL digital (050263), L-Boxx 136 (10236015), grid foam insert (10236017). Benning MM 7-2 True RMS digital multimeter for industry, service, electrical trades and HVAC technology. Digital display. Analogue bar display yes. 4 5/6-digit LCD display (60,000 points). Backlight of the LC display. Smallest resolution for direct voltage 0.01 mV. Max. voltage measuring range DC 1000 V. Smallest resolution for alternating voltage 0.01 mV. Max. voltage measuring range AC 1000 V. Smallest resolution for direct current 0.01 µA. Max. current measuring range DC 10 A. Smallest resolution alternating current 0.01 µA. Max. current measuring range AC 10 A. Smallest resolution resistance 0.01 Ohm. Max. resistance measuring range 60 MOhm. Smallest resolution capacitance 0.01 nF. Max. capacitance measuring range 10000 µF. Smallest resolution frequency 0.001 Hz. Max. frequency measuring range 1 MHz. Mains level up to 50 kHz, logic level up to 1 MHz. Smallest resolution temperature 0.1 °C. Max. temperature measuring range 1090 °C. Temperature measurement yes. Temperature measurement -200 °C - +1090 °C. Continuity test/diode test yes. Continuity test (2 kO) to suppress capacitively/inductively stray voltages. Low-pass filter (HFR, high frequency suppression, 1000 Hz) for measurements on clocked motor drives. VoltSensor for contactless and single-pole phase and cable break testing (2 sensitivities) (LCD/buzzer). Fast continuity/diode testing (optical/acoustic). 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. Average value memory yes AVG. Relative value measurement yes REL. Peak value memory yes PEAK. Duty cycle measurements yes. Duty cycle (%).4 mA - 20 mA DC current loop (%). 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 silicone measuring leads with gold-plated 2 mm and 4 mm measuring tips (screw-on), case, wire temperature sensor, 3 x 1.5 V Micro/AAA/LR03 batteries, 11 A fuse 10218772), 0.4 A fuse (10231514). Benning CM 2-1 True RMS digital current clamp multimeter. Digital display. 4-digit LCD display (4000 points). With screen backlight. Light sensor. Current measuring range/DC 10 mA - 400 A. Current measuring range/AC 10 mA - 400 A. Current type direct/alternating current. True RMS measurement (TRMS) yes. Voltage measurement/AC 0.1 mV - 600 V. Voltage measurement/DC 0.1 mV - 600 V. Resistance measuring range 0.1 Ohm - 40 MOhm. Continuity test yes. Diode test yes. Frequency measurement 1 Hz - 50 kHz. Frequency measurement yes. Capacitance measurement 0.001 µF - 100000 µF. Capacitance measurement yes. AutoV function with low input impedance (LoZ) to suppress reactive voltages.Low-pass filter (HFR high frequency suppression, 800 Hz) for measurements on clocked motor drives. Volt sensor (NCV) for contactless phase and cable break testing (buzzer, LCD). Automatic measuring range selection. Automatic shutdown. Automatic battery undervoltage display. Hold instantaneous value memory. MAX maximum value memory. MIN minimum value memory. Clamp opening 27 mm. Measuring circuit category Cat IV. Max. voltage measuring circuit category 300 V. Measuring circuit category Cat III. Max. voltage measuring circuit category 600 V. Includes case, 2 x 1.5 V Micro/ AAA/ LR03 batteries, test leads. DUSPOL d