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Metrel A1422 Active Three-Phase and Welding Equipment Adaptor

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  • Compatible with Metrel MI3321, MI3310 and MI3360 Machinery & PAT testers
  • Allows testing of three-phase appliances including of three-phase RCDs
  • Allows testing on ARC Welding Units in keeping with EN60974-4 standard

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  • Description

    Metrel A1422 Active Three-Phase and Welding Equipment Adaptor

    The Metrel A1422 Active Three-Phase and Welding Equipment Adaptor is a versatile piece of kit that supplements the Metrel MI3321 Machinery Tester and the MI3310 SigmaPAT and MI3360 OmegaPAT PAT testers. It features built in sockets including CEE three-phase to 32A 5 pin, CEE three-phase to 16A 5 pin and CEEE single phase to 16A three-pin.

    It allows testing on three-phase appliances via its unique range of tests, comprising active polarity testing, differential leakage testing and three-phase RCD testing. The maximum current of the adaptor is 40A, thus making it suitable for most industrial environments, whilst numerous sockets provide options for testing various extension leads.

    In addition to regular three-phase testing, the Metrel A1422 is suitable for testing ARC Welding Units in compliance with EN 60974-4. It can perform open-circuit voltage testing in addition to welding circuit leakage current measurement, no load voltage tests and welding insulation testing.

    The Metrel A1422 is easy to connect to whichever supporting tester the user chooses and each device will automatically recognise the other. Testing procedures are user-friendly and easily understandable despite their comparative complexity and the unit even features pre-set testing sequences.

    Tests and results can be saved to the large internal memory and then reported and printed using the software of the supporting tester. All necessary accessories are included and the waterproof casing shields the adaptor from the elements.

    Metrel part number: A1422

    Key Features

    • Compatible with MI3321, MI3310 and MI3360
    • Allows three-phase appliance testing (max. 40A)
    • Multiple sockets for extension lead testing
    • Three-phase RCD testing capability 
    • Tests open circuit voltage on arc welding units
    • Multiple tests on welding according to EN 60974-4
    • Automatically recognises of supporting tester
    • Auto-test sequences saved to memory
    • Large downloadable memory for tests and results
  • Specification

    Differential leakage current (230/400 VAC or 120/208 VAC)
    Differential leakage current readout

    • Range: 0.00 mA ÷ 9.99 mA 
    • Resolution: 0.01 mA 
    • Accuracy: ±(5 % of reading + 5 digits)
    • Power / Functional test (230/400 VAC or 120/208 VAC)

    Apparent power readout

    • Range: 0.00 kVA ÷ 24.00 kVA 
    • Resolution: 0.01 kVA 
    • Accuracy: ±(5 % of reading + 5 digits)

    Active power readout

    • Range: 0.00 kW ÷ 24.00 kW 
    • Resolution: 0.01 kW 
    • Accuracy: ±(5 % of reading + 5 digits)

    Reactive power readout

    • Range: 0.00 kW ÷ 24.00 kVAr 
    • Resolution: 0.01 kVAr 
    • Accuracy: ±(5 % of reading + 5 digits)

    Power factor readout

    • Range: 0.00 ÷ 1.00 
    • Resolution: 0.01 
    • Accuracy: ±(5 % of reading + 5 digits)

    3-phase RCD / Test current (10 mA, 15 mA, 30 mA, 100 mA, 300 mA)

    Portable RCD trip-out time readout (AC and A type PRCD)

    • Range: 0 ms ÷ 300 ms (½ x I∆N, I∆N) / 0 ms ÷ 150 ms (2 x I∆N) / 0 ms ÷ 40 ms (5 x I∆N)
    • Resolution: 1 ms / 1 ms / 1 ms 
    • Accuracy: ±3 ms

    Portable RCD trip-out current readout (B type PRCD)

    • Range: 0.2 x I∆N ÷ 2.2 x I∆N 
    • Resolution: 0.05 x I∆N 
    • Accuracy: ±0.1 x I∆N

    Continuity of the protective circuit (according to IEC/ EN 60974-4)

    Test current set to 10 A

    • Range: 0.00 Ω ÷ 1.99 Ω / 2.00 Ω ÷ 19.99 Ω 
    • Resolution: 0.01 Ω / 0.01 Ω
    • Accuracy: ±(5 % of reading + 3 digits) / ±10 %

    Test current set to 200 mA

    • Range: 0.00 Ω ÷ 1.99 Ω / 2.00 Ω ÷ 9.99 Ω / 10.0 Ω ÷ 19.9
    • Resolution: 0.01 Ω / 0.01 Ω / 0.1 Ω
    • Accuracy: ±(5 % of reading + 3 digits) / ±10 %

    Insulation resistance (supply circuit to protective circuit); (welding circuit to protective circuit); (Insulation resistance supply circuit to welding circuit; (according to IEC/ EN 60974-4)

    Insulation LN-PE readout; W-PE readout; LN-W readout:

    • Range: 0.000 MΩ ÷ 0.500 MΩ / 0.501 MΩ ÷ 1.999 MΩ / 2.00 MΩ ÷ 19.99 MΩ / 20.0 MΩ ÷ 199.9 MΩ 
    • Resolution: 0.001 MΩ / 0.001 MΩ / 0.01 MΩ / 0.1 MΩ 
    • Accuracy: ±(10 % of reading + 5 digits) / ±(5 % of reading + 3 digits)

    Insulation resistance (supply circuit of class II equipment to accessible surfaces) (according to IEC/ EN 60974-4)

    Insulation LN-P readout:

    • Range: 0.000 MΩ ÷ 0.500 MΩ / 0.501 MΩ ÷ 1.999 MΩ / 2.00 MΩ ÷ 19.99 MΩ
    • Resolution: 0.001 MΩ / 0.001 MΩ / 0.01 MΩ
    • Accuracy: ±(10 % of reading + 5 digits) / ±(5 % of reading + 3 digits)

    Welding circuit leakage current; Primary leakage current (according to IEC/ EN 60974-4)

    Welding circuit leakage current readout; Primary leakage current readout:

    • Range: 0.00 mA ÷ 14.99 mA 
    • Resolution: 0.01 mA 
    • Accuracy: ±(5 % of reading + 5 digits)

    No load voltage (acc. to IEC/ EN 60974-4)

    No load voltage readout: (AC peak or DC peak)

    • Range: 0.0 V ÷ 199.9 V 
    • Resolution: 0.1 V 
    • Accuracy: ±(5 % of reading + 5 digits)

    No load voltage readout: (AC RMS)

    • Range: 0.0 V ÷ 139.9 V 
    • Resolution: 0.1 V 
    • Accuracy: ±(5 % of reading + 5 digits)
    • Polarity test Standard test (<60 VAC and DC)
    • Polarity test Active (Mains supply voltage, over-current protection)
  • Supplied Accessories

    • Metrel A 1422 Three-Phase and Welding Equipment Adaptor
    • Bag for accessories
    • Measuring / Connection cable between Adapter and Instrument
    • 3-phase mains cable 16 A male / 32 A female, 5-pin, 2 m
    • RS232 cable
    • Instruction manual, short instruction manual
    • Calibration certificate
  • Product Documents

    Product Attachments

    View FileMetrel A1422 Datasheet    Size: (477.56 KB)
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