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Metrel MI 3242 microohm 2A earth tester

MI 3242 MicroOhm 2A

The Metrel MI 3242 MicroOhm 2A is a portable low resistance ohmmeter, Zedflo Australia is a Metrel authroised distibutor, service and calibration centre in Australia

Typically ‘In stock’ subject to prior sales. Contact us to confirm stock level before ordering.
If nil stock at time of order, lead time is typically ~4 weeks.

SKU: MI-3242

$1,655.00 ex. GST

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The Metrel MI 3242 MicroOhm 2A is a portable low resistance ohmmeter used to measure low resistances of switches, relays, connectors, bus bars, power distribution cable joints, motor & generator winding, power transformers, power inductors, rail track joints, wire and cable resistance, welding joints for industrial applications, etc., with test current up to 2A.

Zedflo Australia is a Metrel authroised distibutor, service and calibration centre in Australia

 

Measuring Features

Bidirectional resistance measurement from 1 μΩ up to 199,9 Ω with test current up to 2 A.

  • High overvoltage protection (CAT III / 600 V) allows measurement in substations and other points with low line resistance.
  • Internal protection circuit protects user and instrument from inadvertent connection to lines.
  • 50 Hz / 60 Hz ripple detection and rejection.
  • When powered from internal battery it enables more than 800 measurements of 500 mΩ load at 2 A test current & 15 s measurement duration.
  • Pre-programmed limits with PASS/FAIL evaluation of measurement result and bright GREEN/RED indicators providing visual evaluation of the results.
  • Large 128 x 64 dots matrix display with backlight offers easy to read results and all associated parameters.
  • Lightweight portable design.
  • Up to 1500 test results with timestamp can be stored in internal memory.
  • PC SW HVLink PRO enables downloading, review, analyses and printing of test results.

TEST MODES:

  • Manual mode is initiated by pressing the ’Test’ button after connecting the test leads to the unit under test. Continuity of C1 and C2 connectors is checked. Current is applied in both forward and reverse direction.
  • Automatic mode: test starts automatically when probes are connected. Current is applied in both forward and reverse direction.
  • Continuous mode allows repeated measurements to be made on the same sample. The measurement is updated every three seconds.
  • Inductive mode is used for measuring resistance of inductive loads like motors and generators. Instrument generates selected current in one direction and waits voltage to stabilize, before measurement is preformed. To provide safety after measurement is completed instrument is equipped with auto-discharge facility.
Function Range Resolution Accuracy Test Current
Resistance 9.999 mΩ 1 μΩ ±(0.25 % of reading + 2 digits) 2 A
99.99 mΩ 10 μΩ
999.9 mΩ 100 μΩ
99.99 mΩ 10 μΩ 100 mA
999.9 mΩ 100 μΩ
9.999 Ω 1 mΩ
19.99 Ω 10 mΩ
999.9 mΩ 100 μΩ 10 mA
9.999 Ω 1 mΩ
99.99 Ω 10 mΩ
199.9 Ω 100 mΩ
Voltage 0 ÷ 49.9 0.1 V ±(2 % of reading + 2 digits)
50 ÷ 550 1 V
Frequency 10.0 ÷ 99.9 0.1 Hz ±(0.2 % of reading + 1 digit)
100 ÷ 500 1 Hz

GENERAL SPECIFICATION
Power supply voltage: 9 VDC (6 x 1.5 V battery or accu, size AA)
Idle state: > 25 h
Measurements: > 800 measurements of 500 mΩ load ∞ 2A test current
& 15s measurement duration.
Overvoltage category: CAT IV / 300 V; CAT III / 600 V
Protection degree: IP 40
Display: 128×64 dots matrix display with backlight
Dimensions (w x h x d): 140 mm x 80 mm x 230 mm
Weight: 1.0 kg, without battery cells and accessories
Connection: RS232 & USB
Memory: 1500 storage locations (512 kB)

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