RS PRO IIT 1601 Instruction Manual
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RS PRO IIT 1601 Instruction Manual

Autoranging insulation tester
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Instruction Manual
IIT 1601
Autoranging Insulation Tester
IT
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ES
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Summary of Contents for RS PRO IIT 1601

  • Page 1 Instruction Manual IIT 1601 Autoranging Insulation Tester...

  • Page 2: Table Of Contents

    TABLE OF CONTENTS TITLE PAGE SAFETY INFORMATION ............1 1. SPECIFICATIONS ............2 1-1 General Information ..........2 1-2 Electrical Specifications ...........4 2. PARTS & CONTROLS ............6 3. BEFORE OPERATION ..........7 3-1 How to connect test leads ........7 3-2 Battery Check & Replacement .........7 3-3 Test Leads Check ............7 4.

  • Page 3: Safety Information

    SAFETY INFORMATION The circuit under test must be de-energized and isolated before connections are made except for voltage measurement. Circuit connections must not be touched during a test. After insulation tests, capacitive circuits must be allowed to be discharged. Test leads (including crocodile clips), must be in good order, clean and have no broken or cracked insulation.

  • Page 4: Specifications

    1. SPECIFICATIONS 1-1 General Information Environment conditions ： Installation Category II Pollution Degree 2 Altitude up to 2000 meters Indoor use only Relatively humidity 80% max. Operation Ambient 0° C - 40° C Maintenance & Cleaning: Repairs or servicing not covered in this manual should only be performed by qualified personnel.
  • Page 5 Over Range Indicator: －” will be displayed. “－ Low Battery Indication: The ( ) is displayed when the battery voltage drops below the operating voltage. Operating Temperature and Humidity ： 0 ℃ to 40 ℃ ( 32 ℉ to 104 ℉ )below 80% RH (noncondensing) Storage Temperature and Humidity: -10 ℃...

  • Page 6: Electrical Specifications

    1-2 Electrical Specifications Accuracies are specified as: ± (...% of reading + ...digits) at 23° C ± 5° C, below 80% RH. OHMS & Continuity Sounder Max. open Max. Short Overload Range Resolution Accuracy Circuit Circuit Protection Voltage Current 400 Ω 0.1 Ω...
  • Page 7 Meg OHMS (Auto Range) Range Resolution Accuracy Terminal Voltage 4M Ω /40M Ω /400M Ω 250V ＋ 20% ～ -0% 3%+5 /4000M Ω /250V (<2000M) 4M Ω /40M Ω /400M Ω 500V ＋ 20% ～ -0% /4000M Ω /500V 5%+5 4M Ω...

  • Page 8: Parts & Controls

    2. PARTS & CONTROLS LCD display Mega Ohm TEST button Maga Ohm TEST power LOCK button Data hold button Back light button Auto power OFF (wake up) Function selector Storage compartment Lo measuring terminal Hi measuring terminal Top cover EN-6...

  • Page 9: Before Operation

    3. BEFORE OPERATION 3-1 How to connect test leads Connect the red test lead into the “ Hi ” terminal and the black lead into the “ Lo” terminal. 3-2 Battery Check & Replacement If battery power is not sufficient the LCD will display a) .

  • Page 10: Ac Voltage Measurements

    4. AC VOLTAGE MEASUREMENTS a). Set the range switch to ～ V position b). Connect red test lead to “ Hi ” terminal and black test lead to “ Lo ” terminal. c). Connect test leads IN PARALLEL to the circuit being measured.

  • Page 11: Insulation Resistance Measurements

    6. INSULATION RESISTANCE MEASUREMENTS a). Manual Testing Mode: Set the selector switch to the test voltage required. Connect the test leads, first to the instrument, and then the isolated item under test. Press the test button to activate the test voltage and the reading will be displayed on the display, the internal sounder will operate to warn of high voltage.

  • Page 12: Auto Power Off

    If the testing process is not interrupted within 3 minutes, the test voltage will turn off automatically. The analog display bar can indicate range up to 10G Ω , when the reading is between 4G Ω to 10G Ω , the LCD will show “...

  • Page 13: Power Tools And Small Appliances

    8. POWER TOOLS AND SMALL APPLIANCES This test would also apply to other similar equipment that has a line cord. For double insulated power tools, the megohmmeter leads are shown connected to the power cord and to some metal part of the tool (e.g. chuck, blade). Note: The switch of the device must be in the “ON”...
  • Page 14 If the motor is disconnected at the motor terminals, connect one megohmmeter lead to the grounded motor housing and the other lead to one of the motor leads. DC-Disconnect the motor from the line. To test the brush rigging, field coils and armature connect one megohmmeter lead to the grounded motor housing and the other lead to the brush on the commutator.
  • Page 15 CABLES Disconnect the cable from the line and disconnect the opposite end to avoid errors due to leakage from other equipment. Check each conductor to ground and /or lead sheath by connecting one megohmmeter lead to a ground and /or lead sheath and the other megohmmeter lead to each of the conductors in turn.

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