Martindale Electric EZ165 Instruction Manual
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Martindale Electric EZ165 Instruction Manual

Socket tester
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EZ165
SOCKET TESTER
I
nstructIon
M
anual

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Summary of Contents for Martindale Electric EZ165

  • Page 1 EZ165 SOCKET TESTER nstructIon anual...

  • Page 2: Table Of Contents

    Safety Information Meaning of Symbols and Markings Precautions Introduction Inspection Description Operation Description of Indicators Self-Test Using the EZ165 3.3.1 Wiring and Voltage Check 3.3.2 Loop Test 3.3.3 RCD’s in the Circuit Under Test 3.3.4 Possible Effects on Accuracy when Measuring Earth Loop Impedance...

  • Page 3: Safety Information

    1. SAFETY INFORMATION REMEMBER: SAFETY IS NO ACCIDENT These instructions contain both information and cautions that are necessary for the correct operation and maintenance of this product. It is recommended that you read the instructions carefully and ensure that the contents are fully understood. Particular attention should be paid to the Precautions and Technical Specification.

  • Page 4: Precautions

    The EZ165 must only be used on CAT II installations up to 300V to earth. Always verify the unit is functioning correctly on a known correctly-wired live socket before and after use.

  • Page 5: Introduction

    2.2 Description The EZ165 is a socket tester that additionally checks the earth loop impedance of the wiring under test and indicates the range that the measured earth loop impedance falls within. If the wiring is faulty or the mains voltage is not within limits the earth loop impedance test is not performed.

  • Page 6: Operation

    Note 2: The level of the mains supply is only indicated if the wiring is correct. 3.2. Self-Test Every time the EZ165 is plugged in it will perform a self-test routine by flashing each row of indicators once in the following sequence: Top row...

  • Page 7: Using The Ez165

    1, 2 & 3 in sections 3.3.1 and 3.3.2. If the EZ165 does not power up and perform its self-test and none of the LED’s illuminate this could mean that the wiring is incorrect, or the mains voltage is less than 40V and investigation of the wiring is required.

  • Page 8: Wiring And Voltage Check

    If a wiring fault is detected or the supply voltage is out of tolerance the top loop indicator LED’s will not illuminate as a loop impedance measurement is not made. Figure 1. Wiring and Voltage Test Indicators (Lower LED’s) Wiring Correct, Voltage OK Wiring Correct, Voltage high >270V Wiring Correct, Voltage low <195V Earth-Neutral voltage >30V...
  • Page 9 Figure 2 . Possible socket wiring and EZ165 indications when live (phase) is connected to the socket. EZ165 Pins Socket Under Test Wiring OPEN OPEN OPEN OPEN OPEN OPEN OPEN OPEN OPEN OPEN OPEN OPEN OPEN OPEN OPEN OPEN OPEN...

  • Page 10: Loop Test

    5 - 10Ω 10 - 100Ω 100 - 200Ω 200 - 500Ω Wiring fault or voltage <195V or >270V 3.3.3 RCD’s in the Circuit Under Test The EZ165 should operate satisfactorily on circuits protected by most 30mA or higher RCDs or RCBOs.

  • Page 11: Possible Effects On Accuracy

    This earth leakage current can approach the trip threshold of an RCD or RCBO, and the EZ165 test current will add to it with the possibility of the protective device tripping.

  • Page 12: Maintenance

    4.3 Storage Conditions The EZ165 should be kept in warm dry conditions away from direct sources of heat or sunlight, and in such a manner as to preserve their working life. It is strongly advised that they are not kept in a...

  • Page 13: Warranty

    5. WARRANTY AND LIMITATION OF LIABILITY This Martindale product is warranted to be free from defects in material and workmanship under normal use and service. The warranty period is 2 years and begins on the date of receipt by the end user.

  • Page 14: Specifications

    Specification EZ165 E-ZE Check Xtra Electrical Nominal operating voltage: 230V AC rms Operating frequency: 50Hz Power consumption: <2.5W Power: from mains socket under test Non-trip earth loop impedance ranges: 0 - 1.7 - 5 - 10 - 100 - 200 - 500Ω...
  • Page 16 Ğ Specialist Drummond Testers Martindale Electric Company Limited Metrohm House, 12 Imperial Park, Imperial Way, Watford WD24 4PP, UK Tel: +44(0)1923 441717 Fax: +44 (0)1923 446900 E-mail: sales@martindale-electric.co.uk Website: www.martindale-electric.co.uk © Martindale Electric Company Ltd. 2019 Registered in England No. 3387451. V1 LITEZ165...

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