We are able to offer the complete range of GMC Instruments. Shown below is a selection of the most popular products. Email us for more information.                                                                                                                                                                           

In addition to a milliohmmeter and a multimeter, an insulation tester has been integrated into the MetraHit 27I for measurements up through the teraohm range. Especially where service and repairs in the field of aviation technology are involved, the instrument can be used in a broad range of applications. Insulation resistance measurement 30 MOhm to 3 TOhm  with adjustable test voltage of 50, 100, 250 or 500 V   Milliohmmeter 3.000 mOhm to 300.00 mOhm with 1 A measuring current and  30.00 mOhm to 30.00 Ohm with 200 mA measuring current Kelvin connection (4-wire measurement)  Resistance measurement from 300 Ohm to 30 MOhm Voltage measurement from 3 to 600 V DC and 3 to 600 V AC  with ±30,000 digits Frequency measurement from 300 Hz to 3 kHz DATA hold memory for up to 1200 measured values Continuity and diode testing Overload protection CSA Certification DKD calibration certificate as standard feature   LCD including background illumination provided with 3 rechargeable NiMH batteries and a charger as standard equipment MetraHit 27AS avionic set with extensive accessories and software in a hard case

Digital insulation tester for electrical systems of up to 1000 V per EN 61 557 parts 1, 2 and 4 (VDE 0413 parts 1 and 4). Digital and analog display Three nominal voltages: 100 V, 500 V, 1000 V Warning for hazardous shock voltages Voltage measurement to 1000 V Quick-test with signal lamp in test probe Low-resistance measurement per DIN VDE 0413, part 4 Test voltages: 100 V, 500 V, 1000 V Measuring ranges to 30 G Ohm Low-value resistance measurements to 30 Ohm

The Profitest DC II RCD tester allows for the testing of all types of RCD used in Industry.