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Model 380942
True RMS AC/DC 30A Mini Clamp-on Meter
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True RMS AC Current and Voltage
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Measure low current with high resolution to 0.1mA AC and 1mA DC
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Auto Power Off
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One touch DCA zero adjust
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MIN/MAX and Data Hold functions
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0.9" (23mm) Jaw diameter
Introduction
Congratulations on your purchase of the Extech Model 380942 DC/AC Clamp Meter.
This meter is shipped fully tested and calibrated and, with proper use, will provide years
of reliable service.
INSTRUCTION MANUAL
www.burntec.com
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Table of Contents
Related Manuals for Extech Instruments 380942
Summary of Contents for Extech Instruments 380942
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Page 1: Instruction Manual
MIN/MAX and Data Hold functions • 0.9” (23mm) Jaw diameter Introduction Congratulations on your purchase of the Extech Model 380942 DC/AC Clamp Meter. This meter is shipped fully tested and calibrated and, with proper use, will provide years of reliable service. -
Page 2: Specifications
40 to 1kHz (True RMS) 400V 0.1V ±(1.5% + 4d) ±(2.0% + 5d) 800V AC Specification Notes • AC Voltage and Current Crest Factor: < 3 • AC / DC Voltage Input Impedance: 10MΩ Model 380942 Version 2.0 July 2006... -
Page 3: Meter Description
4. ALWAYS turn off the power and disconnect the test leads before opening the back to replace the fuse or batteries. 5. NEVER operate the meter unless the back cover and the battery/fuse door are in place and fastened securely. Model 380942 Version 2.0 July 2006... -
Page 4: Operation
2) Insert the test leads to the meter as follows: Red lead to “V” terminal; Black lead to the COM input. 3) Connect the test leads to the circuit or device under test. 4) Read the DC Voltage value on the LCD’s digital or bargraph display. Model 380942 Version 2.0 July 2006... -
Page 5: Advanced Features
To extend battery life, the meter will auto power off after 30 minutes of operation. To resume operation, either turn the meter OFF and then ON again, or press the HOLD button. To disable the auto power off function, press down the “HOLD” key while turning the meter on. Model 380942 Version 2.0 July 2006... -
Page 6: Maintenance
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 to 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.
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