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User's Manual

Digital High Voltage Insulation Tester

Model 380375

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Содержание 380375

Страница 1: ...User s Manual Digital High Voltage Insulation Tester Model 380375 ...

Страница 2: ... be liable for any direct indirect incidental or consequential damages Extech s total liability is limited to repair or replacement of the product The warranty set forth above is inclusive and no other warranty whether written or oral is expressed or implied Introduction Congratulations on your purchase of Extech s High Voltage Insulation Tester This device has four voltage test ranges up to 5kV a...

Страница 3: ...inutes Enersave TM mode Shorter test time to conserve battery life Operating conditions 32 to 104 o F 0 to 40 o C 80 RH Storage conditions 14 to 140 o F 10 to 60 o C 80 RH Dimensions 4 7 x 6 7 x 3 7 120 x 170 x 95mm Weight 1 94 lbs 880g Range Specifications Test Voltage Resistance Ranges Short Circuit Current Accuracy Resolution 500V DC 0 to 25 GΩ 1mA 1000V DC 0 to 50 GΩ 1mA 2500V DC 0 to 125 GΩ 1...

Страница 4: ...s and then stop at the Select Test display 3 Select the desired test voltage by pressing the 500V 1KV 2 5KV or 5KV button The screen will briefly display the selected test voltage and then will proceed to the Connect Leads Testing for LIVE display If the circuit is live the display will indicate Live Warning Circuit Live and the meter will beep If this occurs remove the test leads and press the ON...

Страница 5: ...is is particularly useful in determining whether an insulating material under test will break down in a given amount of time Manual Test STOP To stop a test in progress press the ON TEST button The test will immediately end and the system will automatically discharge Automatic Test STOP The test automatically stops after 100 seconds if the meter is not in the Enersave TM mode When in the Enersave ...

Страница 6: ...her 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 DC Motors 1 Disconnect the motor from the line 2 To test the brush rigging field coils and armature connect the RED lead to the grounded motor housing and the BLACK lead to the brush on the commutator 3 If ...

Страница 7: ...ow will completely test a single phase transformer Note that at least 1 minute should be allowed between each test 1 High voltage winding to low voltage winding and ground 2 Low voltage winding to high voltage winding and ground 3 High voltage winding to low voltage winding pictured below 4 High voltage winding to ground 5 Low voltage winding to ground Testing one conductor to all of the conductor...

Страница 8: ...ry compartment cover 5 Replace the eight batteries ensuring proper polarity 6 Affix the rear cover and secure the rear screw Cleaning Periodically wipe the case with a dry cloth Do not use solvents or abrasives to clean this instrument Repair and Calibration Extech offers complete repair and calibration services for all of the products we sell For periodic calibration NIST certification or repair ...

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