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Related Manuals for Extech Instruments 380385
Summary of Contents for Extech Instruments 380385
- Page 1 User's Manual 10KV Digital High Voltage Insulation Tester Model 380385...
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Page 2: Warranty
Warranty EXTECH INSTRUMENTS CORPORATION warrants this instrument to be free of defects in parts and workmanship for one year from date of shipment (a six month limited warranty applies on sensors and cables). If it should become necessary to return the instrument for service during or beyond the warranty period, contact the Customer Service Department at (781) 890-7440 ext. -
Page 3: Specifications
Short Circuit Accuracy Resolution Voltages Current Ranges (in GΩ) 0.5KV 100mA 1.5KV 2.5KV 120mA 3.5KV 4.5KV ± (3% + 2d) 1MΩ 5.5KV 6.5KV 170mA 7.5V 8.5KV 9.5KV 10KV 360mA Note: Voltage Regulation is +20% -5% unless current limited. 380385 V1.5 3/04... -
Page 4: Meter Description
Connecting the Test Leads to the device under test The Black (Earth) lead is connected to the conductive material. The Red (Line) and Green (Guard) leads are connected to insulating, sheathing, and covering material as shown in the following applications section. 380385 V1.5 3/04... -
Page 5: Operation
Check the test set-up then test again. Elapsed Timer The test duration is indicated on the display. This is particularly useful in determining whether an insulating material under test will break down in a given amount of time. 380385 V1.5 3/04... - Page 6 If a weakness is indicated, the motor and other components should be checked individually. If the motor is disconnected at the motor terminals, connect the RED lead to the grounded motor housing and the BLACK lead to one of the motor leads. 380385 V1.5 3/04...
- Page 7 BLACK lead here RED lead here 2. Low voltage winding to high voltage winding and ground 3. High voltage winding to low voltage winding (pictured at right) 4. High voltage winding to ground 5. Low voltage winding to ground 380385 V1.5 3/04...
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Page 8: Maintenance
Support Hotline (781) 890-7440 Tech support: Ext. 200; Email: support@extech.com Repair/Returns: Ext. 210; Email: repair@extech.com Website: www.extech.com Copyright © 2002 Extech Instruments Corporation. All rights reserved including the right of reproduction in whole or in part in any form. 380385 V1.5 3/04...