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Metrel MI3122 Z Line-Loop/RCD Tester

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MI3122
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£638.40 £532.00
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Metrel MI3122 Z Line Loop RCD Tester - Kit

An ideal instrument for use by any professional electrical installer, the Metrel MI3122 is purpose-built for verification, maintenance and periodic testing of electrical installations, evaluation of protective measures in LV-installations (fuse size, RCD operation), troubleshooting live installations and testing on CAT IV installations (including distribution side, LV-substations, industrial plants and other similar applications).

Incredibly portable and designed for ease of use, the MI3122 can even be used completely hands-free thanks to a built-in magnetic holder. Just clip to the side of a metallic installation and free up your hands to use the probes used for measurements.

The tester is packed full of functionality, including support for all live tests on LV-electrical circuits (including loop impedance, prospective fault current, line impedance and prospective short-circuit current), has built-in fuse characteristics for quick evaluation without hassle, can be used to test RCDs with trip out time, contact voltage, ramp testing and autotesting procedures and this loop testing instrument is also suitable for use in testing both single and 3 phase systems with built-in phase sequence test.

You won't waste time making calculations and testing for long periods of time with the Metrel MI3122; this tester include pre-programmed limits for ease of use, clearly shows PASS/FAIL of a test result using green/red LED indicators and includes built-in two level memory structure for saving of test results and parameters. By using Metrel EuroLink Pro Software (sold separately) it is possible to connect a USB or RS232 cable to the instrument and download information directly into a PC for further analysis.

Metrel MI3122 Z Line-Loop/RCD Tester Key Features

  • Handheld, intuitive instrument designed for measurements of line loops and RCD installation
  • Supports all live tests on LV-electrical circuits including loop impedance, prospective fault current, line impedance and prospective short-circuit current
  • Built-in fuse characteristics for quick evaluation of measurement results
  • RCD testing procedures including trip out time, contact voltage, ramp test and autotest
  • Suitable for testing on both single and three phase systems
  • Phase sequence testing
  • Metal test button for touch voltage detection
  • High accuracy non tripping loop test suitable for use on RCD protected circuits
  • Pre-progammed limits
  • PASS/FAIL evaluation of the measurement results plus green/red LED indicators
  • Suitable for use on CAT IV installations
  • Magnetic holder allows completely hands-free operation
  • Built-in battery charger
  • Two level memory structure for saving of test results and parameters
  • Designed to be compatible with Metrel EuroLink Software (sold separately)
  • USB and RS232 ports for downloading to PC

What's Included?

  • Metrel MI3122 Z Line-Loop/RCD Tester
  • Soft Hand Strap
  • Mains Test Cable
  • Universal Test Cable (3 x 1.5m)
  • Test Tips (3x, Blue, Black and Green)
  • Alligator Clips (3x, Blue, Black and Green)
  • Power Supply Adapter + 6 x NiMH AA Rechargeable Batteries
  • Instruction Manual on CD
  • Short Instruction Manual
  • Product Verification Data
  • Handbook - "Guide for Testing and Verification of Low Voltage Installations" on CD

Metrel MI3122 Technical Specifications

RCD Testing
Nominal Residual Current (A, AC) 10mA, 30mA, 100mA, 300mA, 500mA, 1000mA
Test Current Shape Sine-Wave (AC), Pulsed (A)
RCD Type G (non-delayed), S (time-delayed)
Test Current Starting Polarity 0 or 180°
Voltage Range 50V ÷ 264V (45Hz ÷ 65Hz)
Complete measuring range corresponds to EN 61557 requirements
Contact Voltage
Measuring Range (V) Resolution (V) Accuracy
0.0 ÷ 19.9
0.1 (-0%/+15%) of reading ± 10 Digits
20.0 ÷ 99.9
0.1 (-0%15%) of reading
Test Current: max 0.5xlΔN  Limit Contact Voltage: 25V, 50V
Trip-Out Time
Measuring Range (ms)  Resolution (ms)  Accuracy
0 ÷ 300
1 ±3ms
Test Current: 1/2 x lΔN, lΔN, 2xlΔN, 5xlΔN
Trip-Out Current
Measuring Range (lΔ) Resolution (lΔ) Accuracy
0.2xlΔN ÷ 1.1lΔN (AC Type)
0.05lΔN ±0.1xlΔN
 0.2xlΔN ÷ 1.5lΔN (A Type, IDN\30mA) 
0.05lΔN ±0.1xlΔN
0.2xlΔN ÷ 2.2lΔN (A Type, IDN <30mA) 0.05lΔN ±0.1xlΔN
Fault Loop Impedance (no disconnecting device or FUSE selected)
Measuring range according to EN 61557 is 0.25Ω ÷ 9.99kΩ
Measuring Range (Ω) Resolution (Ω) Accuracy
0 ÷ 9.99 0.01 ±(5% of reading + 5 digits)
10 ÷ 99.9 0.1 ±(5% of reading + 5 digits)
100 ÷ 999 1 ±10% of reading
1k ÷ 9.99k 10 ±10% of reading
Test Current (at 230V): 6.5A (10ms    Nominal Voltage Range: 30V ÷ 65Hz)

 

Further technical specifications are available in the attached datasheet.

Accessories related to this product:
Metrel MI3122 Z Line-Loop/RCD Tester - Datasheet Datasheets

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Additional Information
SKU MI3122
Manufacturer Part Code MI3122
Model Ref MI3122
Country of Origin Slovenia