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User Guide
Model 380260
Insulation Tester /
Megohmmeter
Test Equipment Depot - 800.517.8431 - 99 Washington Street Melrose, MA 02176
FAX 781.665.0780 - TestEquipmentDepot.com
Visit us at www.TestEquipmentDepot.com
Back to the Extech 380260 Product Page
99 Washington Street
Melrose, MA 02176
Phone 781-665-1400
Toll Free 1-800-517-8431
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Table of Contents
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Summary of Contents for Extech Instruments 380260
- Page 1 Insulation Tester / Megohmmeter 99 Washington Street Melrose, MA 02176 Phone 781-665-1400 Toll Free 1-800-517-8431 Visit us at www.TestEquipmentDepot.com Back to the Extech 380260 Product Page Test Equipment Depot - 800.517.8431 - 99 Washington Street Melrose, MA 02176 FAX 781.665.0780 - TestEquipmentDepot.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. Model 380260 Version 2.2 1/08... -
Page 4: Resistance Measurement
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 (one at a time). Leave one lead connected to the grounded motor housing while testing the motor components. This also applies to DC Generators. Model 380260 Version 2.2 1/08...
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Page 6: Specifications
<1mA 0-1000MΩ/1000VDC 1MΩ 1000-2000MΩ/1000VDC AC VOLTAGE (40Hz-400Hz) Range Resolution Accuracy Input Overload Impedance Protection 750VAC ±1.2% + 10d 750Vrms 10MΩ DC VOLTAGE Range Resolution Accuracy Input Overload Impedance Protection 1000VDC ±0.8% + 3d 1000Vrms 10MΩ Model 380260 Version 2.2 1/08... -
Page 7: Battery Replacement
RESISTANCE Range Resolution Accuracy Max. Open Overload Circuit Voltage Protection ±1% + 2d 4.5V 250Vrms 200Ω 0.1Ω ±1% + 2d 250Vrms 200kΩ 0.1kΩ General specifications Display LCD with dual display Sampling rate 2.5 readings per second <40Ω, short circuit current <200mA, open circuit voltage Continuity beeper 4.5V Over range indicator...
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