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Metrel MI 3121 SMARTEC Insulation / Continuity Tester

Metrel MI 3121 SMARTEC Insulation / Continuity Tester

Brand
Metrel
Model number
MI 3121

Handheld insulation and continuity tester for installations: 50 V to 1000 V test voltages up to 30 GΩ, 200 mA continuity with polarity reversal, 7 mA continuity, TRMS voltage and frequency; PASS / FAIL LEDs, magnetic holder.

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Key features

  • Insulation resistance with DC voltage
  • Continuity of PE conductors with 200 mA test current with polarity change
  • Continuity of PE conductors with 7 mA test current (continuous measurement) without RCD tripping
  • TRMS voltage and frequency
  • Insulation range: wide range of insulation test voltages from 50 V to 1000 V, measuring range up to 30 GΩ
  • Analogue scale and digital LCD: measuring results are displayed both in numeric and analogue representation
  • 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
  • Polarity swap: automatic polarity reversal on continuity test
  • Built-in charger & rechargeable batteries: instrument has a built-in charging circuit and comes complete with a set of rechargeable NiMH batteries
  • Custom limits: if limits are set on insulation or continuity function then large green and red lights of the LEDs will indicate a PASS or FAIL evaluation of test result
  • 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

Insulation resistance
Test voltages50 V, 100 V, 250 V, 500 V and 1000 V DC
Measuring range (500 V and 1000 V)0.00 M ... 29.9 G; ±⁠(5 % of reading + 3 digits) up to 19.99 M
Short circuit currentmax. 3 mA
Continuity
200 mA0.00 ... 1999 Ω; ±⁠(3 % of reading + 3 digits) up to 19.99 Ω; automatic polarity reversal
7 mA0.0 ... 1999 Ω; ±⁠(5 % of reading + 3 digits)
Voltage
TRMS voltage0 ... 550 V; ±⁠(3 % of reading + 3 digits) up to 9.99 V
Frequency0.00 ... 500 Hz; ±⁠(0.2 % of reading + 1 digit)
General
Overvoltage categoryCAT III 600 V, CAT IV 300 V
Battery lifetypical 13 h
Power supply6 x 1.5 V batteries or rechargeable batteries, size AA
Protection degreeIP 40
Memory1900 measurements
Dimensions (w x h x d) / weight14 cm x 8 cm x 23 cm / 0,80 kg
Supplied with
MI 3121 Standard setInstrument Smartec Insulation / Continuity; Soft hand strap; Test lead, 2 x 1.5 m; Test probe, 2 pcs (black, red); Crocodile clip, 2 pcs (black, red); Power supply adapter + 6 NiMH rechargeable batteries, type AA; Instruction manual on storage media; Calibration certificate; Short instruction manual; Instruction manual

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

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