Megger MTB7671/2 Instrument Test Box

The Megger MTB7671/2 is designed to provide confirmation that your testers continue to operate properly, and maintain their accuracy and consistency between calibrations. With the Megger MTB7671 instrument test box you can test the insulation resistance, continuity, earth loop impedance, PFC, RCD and voltmeter functions of you testers quickly and easily, recording the test results on the record cards included in the pack. There are also self-adhesive test labels for your tester. FEATURES Tests the full range of a testers capability. Does not trip RCD protected circuits. Tests to regulations BS7671, BS EN61557 & IEE On-Site Guide. Checks insulation, continuity, loop, PFC & RCD functions. Check of any voltage measurement ranges on the instrument. Megger MTB7671/2 Specifications BS7671 & BS EN61557 Tester Requirements MTB7671 Test Parameters Megger Calibration Points Continuity Short Circuit Test Current >200 mA >200 mA PASS/FAIL indication (threshold limits +2%) >200 mA Continuity Test Voltage Range 4 V - 24 V 4 V - 24 V PASS/FAIL indication (threshold limits +2%) Continuity Resistance 0.5 Ω +3% 0.5 Ω Insulation Test Current 1 mA 1 mA PASS/FAIL indication (threshold limits +2%) Insulation Test Voltages 250 V +25% max 500 V + 25% max 1 kV + 25% max 250 V + 25% 500 V + 25% 1 kV + 25% PASS/FAIL indication (threshold limits +2%) Insulation Test Resistance 0.25 MΩ min 0.5 MΩ min 1 MΩ min 0.25 MΩ + 3% 0.5 MΩ + 3% 1 MΩ +3% 9 MΩ + 3% 90MΩ +3% 90 MΩ Loop Local mains impedance Loop + 1Ω Loop + 1 Ω (+5%) 1.0 Ω Loop + 180Ω (IET On-Site Guide 10.3.5 Earth Electrode Resistance) Loop + 180° (+5%) 180 Ω RCD Currents (I) 10 mA, 30 mA and 100 mA RCD No Trip (1/2 I) No trip >1999 ms RCD (I) <200 ms 40 ms @ 0° 50 ms @ 180° RCD (5 x I) <40 ms 10 ms @ 0° 20 ms @ 180° General Specifications Safety IEC61010-1. EMC IEC 61326-1. Operating range 0° C to 40° C. Mains supply 230 V 50 Hz 10 VA. Dimensions 320 x 280 x 100 mm. Weight 2.2 Kg. Megger MTB7671 warranty One-year.

For more information on Megger MTB7671/2 Instrument Test Box talk to Cuthbertson Laird Group