Instrument test box Model: MTB7671/2

Instrument test box

儀器測試箱

 

Model : MTB7671/2

 

 

The Megger MTB7671/2 is 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.

 

 

 

 

* Specification

 

Continuity short circuit test current 200 mA Pass / fail indication

 

Continuity test voltage range 4V – 24V Pass / fail indication

 

Continuity resistance 0.5Ω, 5.0Ω

 

Insulation test current 1 mA Pass / fail indication

 

Insulation test voltages 250V +25% max 

 

500V +25% max 

 

1kV +25% max

 

Pass / fail Indication

 

Insulation test resistances 0.25MΩ 0.5MΩ 1MΩ 9MΩ 90MΩ

 

Loop Local mains impedance

 

Loop + 1 Loop + 1Ω

 

Loop + 180 Loop + 180Ω

 

RCD currents (I) 10mA, 30mA and 100mA

 

RCD no trip (1/2I) >1999 ms

 

RCD (I) 40 ms @ 0° ; 50 ms @180°

 

RCD (5 x I) 10 ms @ 0° ; 20 ms @ 180°