Extech Instruments 380395 User Manual

Extech Instruments 380395 User Manual

Digital high voltage insulation tester
User's Guide
Digital High Voltage Insulation Tester
Model 380395 or 380396
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Summary of Contents for Extech Instruments 380395

  • Page 1 User's Guide Digital High Voltage Insulation Tester Model 380395 or 380396 ShopExtech 1.888.610.7664 Shop for Extech products at: .com...
  • Page 2 Introduction Congratulations on your purchase of the Extech 380395 (120V) or 380396 (220V) High Voltage Insulation Tester. This meter provides four Insulation Resistance test ranges plus Continuity, AC/DC Voltage, Polarization Index and Dielectric Absorption Ratio measurements. This meter is shipped fully tested and calibrated and, with proper care and use, will provide years of reliable service.
  • Page 3: International Safety Symbols

    Place the test leads in the proper input terminals. Ensure that the test leads are firmly connected to the Insulation Resistance tester’s input terminals.  Ensure that the Insulation Resistance tester is switched off when opening the battery compartment. 380395/380396 -EU-EN-V1.2-4/12 ShopExtech 1.888.610.7664 Shop for Extech products at: .com...
  • Page 4 Remove the test leads and set the Range selector switch to the OFF position after use. Safety Category Information This Insulation resistance tester complies with IEC61010 standard safety measurement requirements: pollution degree 2, over-voltage category (CAT. IV) 600V, with double insulation. 380395/380396 -EU-EN-V1.2-4/12 ShopExtech 1.888.610.7664 Shop for Extech products at:...
  • Page 5: Meter Description

    Auto Range Indicator Low Battery Indicator High Voltage Indicator Auto discharge Indicator Continuity Buzzer Indicator 10. PASS /FAIL Indicator 11. Live Circuit Voltage Indicator 12. Units Indicator 13. Function Indicators 380395/380396 -EU-EN-V1.2-4/12 ShopExtech 1.888.610.7664 Shop for Extech products at: .com...
  • Page 6: Insulation Resistance Testing

    To stop a test at any time, press the STOP button or rotate the PRESS TO TEST knob in a counter- clockwise direction. The STOP button also clears the display and beeper after a discharge is complete. 380395/380396 -EU-EN-V1.2-4/12 ShopExtech 1.888.610.7664 Shop for Extech products at: .com...
  • Page 7 HOLD and the measurement time will remain in the display. Press the STOP button to clear the display. Set the Function Selector switch to OFF position and remove the test leads from the circuit. 380395/380396 -EU-EN-V1.2-4/12 ShopExtech 1.888.610.7664 Shop for Extech products at: .com...
  • Page 8: Polarization Index (Pi)

    Keep the test leads connected to the equipment under test and release the PRESS TO TEST button. The circuit will discharge through the meter. While the circuit is discharging, the icon will flash. Press the STOP button to clear the results 380395/380396 -EU-EN-V1.2-4/12 ShopExtech 1.888.610.7664 Shop for Extech products at:...
  • Page 9  Measurements taken on a capacitive load may take some time to complete.  Insulation Resistance tests output a positive (+) voltage from the Earth terminal and a negative (-) voltage from the Line terminal. 380395/380396 -EU-EN-V1.2-4/12 ShopExtech 1.888.610.7664 Shop for Extech products at:...
  • Page 10 Guard terminal as shown in accompanying figure. Be sure to use only the Guard cable supplied with this instrument to connect the instrument to the Guard terminal. 380395/380396 -EU-EN-V1.2-4/12 ShopExtech 1.888.610.7664 Shop for Extech products at:...
  • Page 11: Auto Power Off

    A reading of 10V or less indicates the remaining battery life is limited. Press the BATT button again to exit the Battery Check mode. The unit will also automatically exit the Battery Check mode after 5 seconds. 380395/380396 -EU-EN-V1.2-4/12 ShopExtech 1.888.610.7664 Shop for Extech products at: .com...
  • Page 12: Ac/Dc Voltage Measurements

    Use the MAX/MIN button to check the MIN and MAX values. To exit MAX/MIN mode entirely, press and hold the MAX/MIN button for at least 2 seconds. 380395/380396 -EU-EN-V1.2-4/12 ShopExtech 1.888.610.7664 Shop for Extech products at: .com...
  • Page 13 Press REL to store the reading presently indicated on the display as the reference value; the "REL" indicator will appear. Subsequent readings will represent the difference between the stored reference value and the measured value. Press the REL button again to return to normal operation 380395/380396 -EU-EN-V1.2-4/12 ShopExtech 1.888.610.7664 Shop for Extech products at: .com...
  • Page 14: Maintenance

    It is highly recommended that all of the batteries be removed from the meter before using the power adaptor. Ensure that the meter is powered off when the power adaptor is disconnected from the meter. 380395/380396 -EU-EN-V1.2-4/12 ShopExtech 1.888.610.7664 Shop for Extech products at: .com...
  • Page 15: Cleaning And Care

    Remove the batteries when the meter is removed from service for long periods.  Do not use or store the meter in areas of high humidity, high temperature, potentially explosive or flammable environments, or in strong magnetic fields. 380395/380396 -EU-EN-V1.2-4/12 ShopExtech 1.888.610.7664 Shop for Extech products at:...
  • Page 16: General Specifications

    198 x 148 x 86mm(7.8 x 5.8 x 3.4" ) Weight Approx. 1438g. (50.7 oz) with battery Safety Standards/Ratings Pollution degree 2, Meets IEC 61010-1 and IEC 61010-031 Category Rating CAT IV 600V 380395/380396 -EU-EN-V1.2-4/12 ShopExtech 1.888.610.7664 Shop for Extech products at: .com...
  • Page 17 Triggers if the resistance is 50or lower Open Circuit Voltage 4.5V minimum Short Circuit Current 200mA minimum Copyright © 2012 Extech Instruments Corporation (a FLIR company) All rights reserved including the right of reproduction in whole or in part in any form. www.extech.com 380395/380396 -EU-EN-V1.2-4/12 ShopExtech 1.888.610.7664...

This manual is also suitable for:

380396

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