Related Manuals for Extech Instruments 380260
Summary of Contents for Extech Instruments 380260
- Page 1 User Guide Model 380260 Insulation Tester / Megohmmeter GlobalTestSupply www. .com Find Quality Products Online at: sales@GlobalTestSupply.com...
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Page 2: Meter Description
Introduction Congratulations on your purchase of Extech’s Insulation Tester/Megohmmeter. The Model 380260 provides three test ranges plus continuity and AC/DC voltage measurement. A handy test lock feature and a data hold function are also included. This professional meter, with proper care, will provide years of reliable service. -
Page 3: Operation
” will appear on the display. A beeper will sound every 2 seconds to indicate that the meter is in Lock mode. 3. Press the LOCK key to disable the Lock function and end the test. 380260-en-EU_V2.5 8/14 GlobalTestSupply www. -
Page 4: Hold Function
Notes on IR (Megohmmeter) testing: The maximum measurement range for the 380260 is 2000MΩ. Frequently, insulation resistance will exceed this value. When this happens, the display will indicate “1”, meaning the resistance is very high and the insulation being tested is good. - Page 5 If the resistance measurement indicates a weakness, raise the brushes off of the commutator and separately test the armature, field coils and brush rigging (one at a time). Leave one lead connected to the grounded motor housing while testing the motor components. This also applies to DC Generators. 380260-en-EU_V2.5 8/14 GlobalTestSupply www. .com Find Quality Products Online at: sales@GlobalTestSupply.com...
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Page 6: Testing Cables
1000VDC ±0.8% + 3d 1000Vrms 10M RESISTANCE Range Resolution Accuracy Max. Open Circuit Overload Voltage Protection ±1% + 2d 4.5V 250Vrms 200 0.1 ±1% + 2d 250Vrms 200k 0.1k 380260-en-EU_V2.5 8/14 GlobalTestSupply www. .com Find Quality Products Online at: sales@GlobalTestSupply.com... -
Page 7: General Specifications
-10 to 460 C (14 to 140 F); <80% RH Dimensions 200 x 92 x 50mm (7.8 x 3.6 x 1.9”) Weight 700g (24.6oz) IEC 1010 CAT III-1000V Approvals 380260-en-EU_V2.5 8/14 GlobalTestSupply www. .com Find Quality Products Online at: sales@GlobalTestSupply.com... -
Page 8: Maintenance
Maintenance Battery Replacement When the low battery symbol appears on the LCD, the six 1.5V ‘AA’ batteries must be replaced. Turn the meter off and remove the test leads Unsnap the tilt stand from the rear of the meter Remove the four Phillips head screws holding the battery cover Remove the battery compartment cover Replace the batteries observing polarity Affix the rear cover and secure the screws.
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