MI 3125 EurotestCOMBO
Multifunctional testers
The MI 3125 is a multifunctional installation safety tester which is distinguished by lightweight design and usability. Integrated characteristics of fuses and RCDs, help screens, red and green LEDs for PASS / FAIL evaluation of test results online voltage monitor make the MI 3125 ideally suited for fast and easy testing of electrical installations.
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Standards applied
Building LV Installation
- EISinsp Competences: Low Voltage Electrical Installation Safety Inspection
- EISc Competences: Low Voltage Electrical Installation Safety for Contractors and Maintainers
- IEC/EN 60364 Electrical Installations for Buildings series
- IEC/EN 60364-6 Electrical Installations for Buildings - Verification
- IEC/EN 60364-4-41 Electrical Installations for Buildings - Protection against electric shock
- IEC/EN 60364-5-52 Electrical Installations for Buildings - Wiring system
- IEC/EN 60755 General safety requirements for residual current operated protective devices
- IEC/EN 61008-1 Residual current operated circuit-breakers without integral overcurrent protection for household and similar uses (RCCBs)
- IEC/EN 61557 Electrical safety in low voltage distribution systems up to 1 000 V AC and 1 500 V DC - Equipment for testing, measuring or monitoring of protective measures - series
- IEC/EN 61557-1 Electrical safety in low voltage distribution systems up to 1 000 V AC and 1 500 V DC - Equipment for testing, measuring or monitoring of protective measures - Part 1: General requirements
- IEC/EN 61557-6 Electrical safety in low voltage distribution systems up to 1 000 V AC and 1 500 V DC - Equipment for testing, measuring or monitoring of protective measures - Part 6: Effectiveness of residual current devices (RCD) in TT, TN and IT systems
- VDE 0413 (IEC 61557) Electrical safety in low voltage distribution systems up to 1 000 V AC and 1 500 V DC - Equipment for testing, measuring or monitoring of protective measures - series
- AS / NZ 3017 Electrical installations – Verification guidelines
- AS / NZ 3018 Electrical installations - Domestic installations
- BS 7671 IEE Wiring Regulations (18th edition)
- CEI 64.8 V4 rated electrical equipment not exceeding 1,000 VAC and 1,500V DC current
Earthing and lightning protection
- LPSinsp Competences: Lightning Protection of Buildings Inspection
- LPSc Competences: Lightning Protection of Buildings for Contractors and Maintainers
- IEC 62305 Protection against lightning - series
Instrument safety towards user
- Directive EMC 89/336/EE on electromagnetic compatibility
- IEC/EN 61010 Safety requirements for electrical equipment for measurement, control, and laboratory use - series
- IEC/EN 61010-2-033 Safety requirements for electrical equipment for measurement, control, and laboratory use - Part 2-033: Particular requirements for hand-held multimeters and other meters for domestic and professional use, capable of measuring mains voltage
EMC safety
- IEC/EN 61326 Electrical equipment for measurement, control and laboratory use - EMC requirements - series
Properties
Measuring functions
- Insulation resistance with DC voltage.
- Continuity of PE conductors with 200 mA test current with polarity change.
- Line impedance.
- Loop impedance.
- Loop impedance with Trip Lock RCD function.
- TRMS voltage and frequency.
- Phase sequence.
- RCD testing (general and selective, type AC, A).
Key features
- LED Pass/Fail indicators: two LED indicators for PASS / FAIL evaluation of test results are placed on both sides of the LCD.
- Help screens: instrument comes complete with built-in help screens for referencing on site.
- Built-in fuse tables: this unique feature allows automatic evaluation of the line / loop impedance compared to the regulations.
- Online voltage monitoring: monitors all 3 voltages in realtime.
- Upgradeable: if changes occur to the regulations, upgrades can be made to the firmware to keep the unit up to date.
- Polarity swap: automatic polarity re-versal on continuity test.
- Insulation range: wide range of insulation test voltages from 50 V to 1000 V, reading up to 1000 MΩ.
- Trip Lock function: Zs (RCD) function performs a loop impedance test without tripping the RCD.
- Multisystem testing: tests on single and multiphase TT and TN systems.
- Built-in charger & rechargeable batteries: unit has a built-in charging circuit and comes complete with a set of rechargeable NiMH batteries.
- RCD auto: automated RCD testing procedure significantly reduces test time.
Technical data
- Dimensions: 140 x 80 x 230 mm
- Mass: 1.0 kg
Applications
Preventative maintenance
- Earth continuity and insulation testing
- Line and loop impedance and RCD testing
- Basic earth resistance
- Voltage measurements
- Current measurements
- Frequency measurements
Troubleshooting
- Installation troubleshooting
Specifications
Downloads
| Datasheet | Language | Version | Release | Notes | Type | Size | Download |
|---|---|---|---|---|---|---|---|
| MI 3125 EurotestCOMBO | en | 1.0 | 28.01.2016 | 378.76 KB |
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| Manual | Language | Version | Release | Notes | Type | Size | Download |
|---|---|---|---|---|---|---|---|
| MI 3125 BT EurotestCOMBO | en | 2.7.10 | 23.01.2023 | 20 751 484 | 2.7 MB |
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|
| MI 3125 / MI 3125 BT | Multi-Language | 2023 | 20.01.2023 | zip | 13.43 MB |
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|
| Fuse tables guide | en | 1.11.1 | 20.01.2023 | 350.79 KB |
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