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Megger MTB7671 Instrument Test Box
  • Megger MTB7671 Instrument Test Box
  • Megger MTB7671 Instrument Test Box
  • Megger MTB7671 Instrument Test Box

Megger MTB7671/2 Instrument Test Box

Instrument test boxes have an important role to play in guaranteeing the reliable test results needed to ensure the safety of electrical installations.

1002-224
Megger
£510.00
£397.80 Save 22%
Tax excluded
Quantity
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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 0º C to 40º 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.

Download

Megger MTB7671/2 Datasheet

PDF Specifications of the Megger MTB7671/2 Instrument Test Box.

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Megger MTB7671/2 Instrument Test Box

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