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Metrel MI3125 Eurotest Lite Combo Multifunction Installation Tester
Metrel MI3125 Eurotest Lite Combo Multifunction Installation Tester
The Metrel MI3125 Eurotest Lite Combo Multifunction Installation Tester can be used to perform a variety of electrical and safety tests on domestic and industrial installations, as well as single, multiphase, TT and TN systems. This instrument includes the tests required by the EN 61557.
The Metrel MI3125 includes a dedicated help screen for each test. Each help page details how to perform the specified test and how to connect the multifunction tester. This adds to the Metrel MI3125’s ease-of-use.Also adding to this instrument’s ease-of-use are the integrated characteristics of fuses and RCDs which facilitate the automatic evaluation of test results. This instrument also includes built-in loop impedance tables allowing it to evaluate, automatically, the results of line and loop impedance tests in comparison to applicable regulations. The MI3125 will indicate whether it deems a result to have passed or failed each test via a red (fail) or green (pass) LED light located on both sides of the LCD display. Additionally, the online voltage monitoring feature allows the user to monitor up to three voltages in real-time. Further to this, the user is able to view the measurement, measurement parameters and any messages via the large, graphic, easy-to-read display with a backlight.
Finally, this tester has been optimised for longevity and to this end includes a built-in charger and a set of rechargeable NiMH batteries. The Metrel multifunction tester also includes upgradeable technology ensuring that, if any regulations should change, its firmware can be upgraded to accommodate the most recent information.
The Metrel MI3125 Eurotest Lite Combo Multifunction Installation Tester is ideal for performing an eclectic variety of electrical and safety tests on single and multiphase TT and TN systems in accordance with the EN 61557 standard.
Measurement Capabilities
- 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
- TRMS frequency
- Phase sequence
- RCD testing (general and selective, type AC, A)
- Earth resistance (3-wire method)
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
Key Features
- Perform a variety of electrical and installation safety tests
- Suitable for testing domestic and industrial installations
- Ideal for checking single and multiphase TT and TN systems
- Includes tests required by the EN 61557 standard
- Loop impedance with Trip Lock RCD function (does not trip RCDs whilst testing)
- RCD testing (general and selective, type AC and A) with an automated testing procedure
- Continuity of PE conductors with a 200mA test current and an automatic polarity change
- Insulation resistance (measure up to 1000MΩ) with a DC test voltage (50-1000V)
- Dedicated help screens for each test
- Includes integrated fuse and RCD characteristics for the automatic evaluation of test results
- Includes loop impedance tables for evaluating loop and line impedance results in comparison to regulations
- Green LED light indicates that a result has passed
- Red LED light indicates that a result has failed
- LED lights are located on either side of the LCD display
- Large, graphic, easy-to-read display with backlight
- View measurement, measurement parameters and any messages via the display
- Monitor up to three voltages in real-time with the online voltage monitoring feature
- Optimised for longevity
- Built-in charger
- Supplied with a set of rechargeable NiMH batteries
- Upgradable technology allows the tester’s firmware to be updated in accordance with any changes in regulations
- Ideal for performing an eclectic variety of electrical and safety tests on single and multiphase TT and TN systems
Standards
| Functionality |
IEC/EN 61557 |
| Other Reference Standards for Testing | BS 7671 |
| EN 61008 | |
| EN 61009 | |
| EN 60364-4-41 | |
|
AS/NZ 3760 |
|
| Electromagnetic Compatibility (EMC) | EN 61326 |
| Safety | EN 61010-1 |
| EN 61010-031 |
What’s Included?
- Metrel MI3125 Eurotest Lite Combo Multifunction Installation Tester
- Hand Strap
- Small Soft Carrying Bag
- 3x 1.5m Test Leads
- 1.5m Mains Plug Cable
- 3x Test Probes (blue, brown and green)
- 3x Crocodile Clips (blue, brown and green)
- Power Supply Adapter
- 6x Rechargeable NiMH AA Batteries
- Mains Cable for Power Supply Adapter
- Short Instruction Manual
- Instruction Manual and Handbook on CD
- Calibration Certificate
Free Electrician's Accessory
- Lockout Starter Kit - Incl. Hasps, Padlocks, Tags, MCB Lockout & More - LT-LPP, typically £25.00
- CK Tools T3943 Automatic Wire Stripper Pro - T3943, typically £36.50
- TestSafe Fibreglass Fish Tape Cable Puller – 30m - TS-FG-FT-30M, typically £24.99
Metrel MI3125 Eurotest Lite Combo Multifunction Installation Tester Technical Specifications
| Function | Measuring Range | Resolution | Accuracy |
| Insulation resistance (EN 61557-2) | U = 50, 100, 250 VDC: | ||
| R: 0.00 MΩ ... 19.99 MΩ | 0.01 MΩ | ±(5 % of reading + 3 digits) | |
| 20.0 MΩ ... 99.9 MΩ | 0.1 MΩ | ±10 % of reading | |
| 100.0 MΩ ... 199.9 MΩ | 0.1 MΩ | ±20 % of reading | |
| U = 500 VDC, 1 kVDC: | |||
| R: 0.00 MΩ ... 19.99 MΩ | 0.01 MΩ | ±(5 % of reading + 3 digits | |
| 20.0 MΩ ... 99.9 MΩ | 0.1 MΩ | ±5 % of reading | |
| 200 MΩ ... 999 MΩ | 1 MΩ | ±10 % of reading | |
| Continuity 200 mA of PE conductor with polarity change (EN 61557-4) | 0.00 Ω ... 19.99 Ω | 0.01 Ω | ±(3 % of reading + 3 digits) |
| 20.0 Ω ... 199.9 Ω | 0.1 Ω | ±5 % of reading | |
| 200 Ω ... 1999 Ω | 1 Ω | ±5 % of reading | |
| Loop impedance (EN 61557-3) | 0.00 Ω ... 9.99 Ω | 0.01 Ω | ±(5 % of reading + 5 digits) |
| 10.0 Ω ... 99.9 Ω | 0.1 Ω | ±(5 % of reading + 5 digits) | |
| 100 Ω ... 999 Ω | 1 Ω | ±10 % of reading | |
| 1.00 kΩ ... 9.99 kΩ | 10 Ω | ±10 % of reading | |
| Line impedance (EN 61557-3) | 0.00 Ω ... 9.99 Ω | 0.01 Ω | ±(5 % of reading + 5 digits) |
| 10.0 Ω ... 99.9 Ω | 0.1 Ω | ±(5 % of reading + 5 digits | |
| 100 Ω ... 999 Ω | 1 Ω | ±10 % of reading | |
| 1.00 kΩ ... 9.99 kΩ | 10 Ω | ±10 % of reading | |
| Voltage | 0 V ... 550 V | 1 V | ±(2 % of reading + 2 digits) |
| Frequency | 0.00 Hz ... 9.99 Hz | 0.01 Hz | ±(0.2 % of reading + 1 digits) |
| 10.0 Hz ... 499.9 Hz | 0.1 Hz | ||
| Phase sequence (EN 61557-7) | 1.2.3 or 3.2.1 | ||
| RCD testing (EN 61557-6) | ∆N: 10 mA, 30 mA, 100 mA, 300 mA, 500 mA, 1 A | ||
| Contact voltage UC | 0.0 V ... 19.9 V | 0.1 V | (-0% / +15%) of reading ±10 d. |
| 20.0 V ... 99.9 V | 0.1 V | -0% / +15%) of reading | |
| Trip-out time | 0 ms ... 40.0 ms | 0.1 ms | ±1 ms |
| 0 ms ... max. time | 0.1 ms | ±3 ms | |
| Trip-out current | 0.2 x I∆N ... 1.1 x I∆N (AC type) | 0.05 x I∆N | ±0.1 x I∆N |
| 0.2 x I∆N ... 2.2 x I∆N (A type,∆N < 30 mA) | 0.05 x I∆N | ±0.1 x I∆N | |
| 0.2 x I∆N ... 1.5 x I∆N (A type, I∆N ≥ 30 mA) | 0.05 x I∆N | ±0.1 x I∆N | |
| General Specifications | |||
| Power supply | 6 x 1.5 V alcaline or 6 x 1.2 V rechargeable batteries, size AA | ||
| Overvoltage category | 600 V / CAT III; 300 V / CAT IV | ||
| Protection class | double insulation | ||
| COM port | RS232 and USB | ||
| Dimensions | 140 x 80 x 230 mm | ||
| Weight | 1.0 kg | ||
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Additional Information
| SKU | MI3125BLITE |
|---|---|
| Manufacturer Part Code | MI3125-L |
| Country of Origin | Slovenia |
