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Megger MTB7671/2-Instrument Test Box
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Discover unparalleled accuracy with the Megger MTB7671/2-Instrument Test Box, designed for professional electrical testing.
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Description
Megger MTB7671/2-Instrument Test Box
The Megger MTB7671/2 Instrument Test Box is an essential device for any professional who relies on accurate electrical measurement tools. This test box is specifically designed to verify and confirm that electrical testers are functioning correctly and consistently between calibrations, ensuring compliance with the stringent standards required in electrical testing.
Comprehensive Testing Capability: The MTB7671/2 tests a full range of a tester’s capabilities, including insulation, continuity, loop, Prospective Fault Current (PFC), Residual Current Device (RCD), and voltage measurements. This comprehensive functionality makes it an invaluable tool for electricians and technicians who need to ensure their instruments meet all necessary specifications and regulations, such as BS7671, BS EN 61557, and the IEE On-Site Guide.
Megger MTB7671/2-INSTRUMENT TEST BOX SPECIFICATIONS:
- Tests the full range of a tester capability
- Does not trip RCD-protected circuits
- Tests to the regulations BS7671, BS EN 61557, and IEE On-Site Guiden
- Checks insulation, continuity, loop, PFC, RCD, and voltage measurement functions
- Confirms testers continued performance between calibrations n
- Color-coded test functions
Datasheet
Datasheet
Specifications
Specifications
| Specifications – Megger MTB7671/2 Instrument Test Box | |
|---|---|
| RCD Protection | |
| The test box can be used on either standard or RCD protected supplies without the risk of tripping the supply. It is protected by a 30 mA RCD to ensure faulty testers cannot create unsafe conditions. | |
| Safety & Standards | |
| Safety | Designed to meet IEC61010-1 requirements |
| EMC | Complies with IEC 61326-1 |
| Environmental | |
| Operating Temperature | 0 °C to 40 °C |
| Operating Humidity | 85% at 40 °C |
| Storage Temperature | -25 °C to 65 °C |
| Electrical Supply | |
| Mains Supply | 230 V, 50 Hz, 10 VA |
| Fuses | RCD plug: 7 A (BS1362) MTB7671/2: 500 mA F 250 V (IEC60127) |
| Physical Characteristics | |
| Dimensions | 320 × 280 × 100 mm |
| Weight | 2.2 kg |
| BS7671 & BS EN61557 Test Parameters | |
| Parameter | Requirements / Calibration Tester Points |
| Continuity Short | >200 mA (Pass/Fail indication) |
| Continuity Test Current (Threshold limits ±2%) | 4 V – 24 V |
| Continuity Resistance | 0.5 Ω ±3% 5.0 Ω ±3% |
| Insulation Test Current (Threshold limits ±2%) | 1 mA (Pass/Fail indication) |
| Insulation Test Voltages | 250 V +25% max 500 V +25% max 1 kV +25% max |
| Insulation Test Resistances | 0.25 MΩ min ±3% 0.5 MΩ min ±3% 1.0 MΩ min ±3% 9 MΩ ±3% 90 MΩ ±3% |
| Loop Test | Local mains impedance Loop +10 Ω (±5%) Loop +180 Ω (±5%) |
| Earth Electrode Resistance | As per IEE On-Site Guide 10.3.5 |
| RCD Test Currents (I) | 10 mA, 30 mA, 100 mA |
| RCD No Trip (½ I) | No trip >1999 ms |
| RCD (I) | <200 ms 40 ms @ 0° 50 ms @ 180° |
| RCD (5 × I) | <40 ms 10 ms @ 0° 20 ms @ 180° |
Reviews (2)
2 reviews for Megger MTB7671/2-Instrument Test Box
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Bench Multimeters
zaker –
I like it
mohammadjasem –
The Megger MTB7671/2 performs flawlessly, making instrument testing straightforward and reliable!