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Metrel MI 3122 SMARTEC Z Line-Loop / RCD Tester

Metrel MI 3122 SMARTEC Z Line-Loop / RCD Tester

Brand
Metrel
Model number
MI 3122

Handheld line / loop impedance and RCD tester: fault loop impedance with and without RCD trip, line impedance, RCD contact voltage, trip-out time and current for AC and A types, phase rotation and TRMS voltage.

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Key features

  • Line impedance
  • Loop impedance
  • Loop impedance with Trip Lock RCD function
  • TRMS voltage and frequency
  • Phase sequence
  • RCD testing (general and selective, type AC and A)
  • Help screens: instrument comes complete with built-in help screens for referencing on site
  • LED Pass/Fail indicators: two LED indicators for PASS / FAIL evaluation of test results are placed on both sides of the LCD
  • 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 real-time
  • Downloadable: downloads via RS232 or USB cable directly to the PC with the help of the optional software
  • Upgradeable: if changes occur to the regulations upgrades can be made to the firmware to keep the instrument up to date
  • Trip Lock function: Zs (RCD) function performs a loop impedance test without tripping the RCD
  • Built-in charger & rechargeable batteries: instrument 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
  • Easy to use: large bright LCD display and large buttons enable easy handling of the instrument (even while wearing gloves)
  • Magnetic holder: magnet for fixing instrument on metal surfaces enables hands-free operation

Specifications

RCD
Nominal residual current10 mA, 30 mA, 100 mA, 300 mA, 500 mA, 1000 mA (A, AC)
RCD typeG (non-delayed), S (time-delayed)
Contact voltage0.0 ... 99.9 V; (-0 % / +15 %) of reading
Trip-out time0 ... 300 ms; ±3 ms
Trip-out current0.2xI∆N ... 2.2xI∆N; ±0.1xI∆N
Impedance
Fault loop impedance0.00 ... 9.99 kΩ; ±⁠(5 % of reading + 5 digits) up to 99.9 Ω; test current 6.5 A (10 ms) at 230 V
Fault loop impedance, RCD selected (no trip out)0.00 ... 9.99 kΩ; ±⁠(5 % of reading + 10 digits) up to 99.9 Ω
Line impedance0.00 ... 9.99 kΩ; ±⁠(5 % of reading + 5 digits) up to 99.9 Ω
Nominal voltage range30 V ... 500 V (45 Hz ... 65 Hz)
Voltage
Phase rotation100 VAC ... 550 VAC, 14 Hz ... 500 Hz; result 1.2.3 or 3.2.1
TRMS voltage / frequency0 V ... 550 V, ±⁠(2 % of reading + 2 digits) / 10.0 Hz ... 499.9 Hz
General
Overvoltage category600 V CAT III, 300 V CAT IV
Operationtypical 20 h
Weight (without batteries)0,93 kg
Power supply6 x 1.5 V batteries or rechargeable batteries, size AA
Protection degreeIP 40
Display128 x 64 dots matrix display with backlight
Memory1900 measurements
Communication115200 baud (RS 232) / 256000 baud (USB)
Dimensions (w x h x d)14 cm x 8 cm x 23 cm
Supplied with
MI 3122 Standard setInstrument Smartec Z Line - Loop / RCD; Soft hand strap; Schuko-plug test cable; Test lead, 3 x 1.5 m; Test probe, 3 pcs (blue, black, green); Crocodile clip, 3 pcs (blue, black, green); Power supply adapter + 6 NiMH rechargeable batteries, type AA; Instruction manual on CD; Short instruction manual; Handbook on CD; Calibration certificate

Specifications are from the manufacturer's published information. Confirm critical values with us or the datasheet before ordering.

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