4¾ digit TRMS multimeter and insulation measuring device for service technicians Portable, robust measuring instrument for use in the field, for servicing domestic appliances, machines (e.g. forklift trucks) and systems (e.g. photovoltaic). The device also has an internal off-grid power supply. - Display 4 ¾-digit, 30,000 digits, lighting can be switched on - Insulation resistance testing with external voltage detection - Data memory for approximately 15,400 readings - Infra-red interface - Test voltages: 50 V, 100 V, 250 V, 500 V, 1000 V - Multimeter with diverse functions (V, O, F, Hz) - RMS TRMS AC/AC+DC current/voltage up to 10 kHz - Low-pass filter can be switched on, 1 kHz/-3 dB in the V AC range - Direct current measurement 100 nA ...10 A - Current measurement via clamp current-sensor clip; the transmission factor of 1 mV:1 mA to 1 mV:1 A is adjustable and is taken into consideration in the display (optional) - Precision temperature indicator °C, °F for Pt100/Pt1000 sensors and type K thermocouples - Diode measurement (IK = 1 mA, UFluss up to 5.1 V) and continuity test - Acoustic signals for continuity testing, dangerous contact voltages, exceeded overload limits - Storage of min./max. values - Measurement data memory and internal clock, power supply adapter socket - IP54 housing, dust and splash proof, protective rubber cover - Bidirectional infra-red interface for data exchange with PC - Windows software as an accessory for the processing and graphical representation of measured values via RS232 interface (optional) - Included: insulation multimeter, protective rubber cover, safety measuring leads with 4-mm probes, 1000 V CAT II, 600 V CAT III (KS17-2), quick-start guide in German and English, CD-ROM with operating instructions in German and English, DAkkS calibration certificate, 1.5 V batteries, type AA in the device https://elecena.pl/product/18322649/m246b-trms-multimeter-and-insulation-measuring-instrument 2021-05-03 https://elecena.pl/product/18322649/m246b-trms-multimeter-and-insulation-measuring-instrument 2022-02-15 https://elecena.pl/product/18322649/m246b-trms-multimeter-and-insulation-measuring-instrument 2022-06-09 https://elecena.pl/product/18322649/m246b-trms-multimeter-and-insulation-measuring-instrument 2022-10-15 https://elecena.pl/product/18322649/m246b-trms-multimeter-and-insulation-measuring-instrument 2023-04-22 https://elecena.pl/product/18322649/m246b-trms-multimeter-and-insulation-measuring-instrument 2023-09-04 https://elecena.pl/product/18322649/m246b-trms-multimeter-and-insulation-measuring-instrument 2024-04-02 https://elecena.pl/product/18322649/m246b-trms-multimeter-and-insulation-measuring-instrument 2025-02-08 https://elecena.pl/product/18322649/m246b-trms-multimeter-and-insulation-measuring-instrument 2026-01-04