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User Guide
AC/DC Mini Clamp Meter
Model 380941
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Large 3 3/4 digit LCD display with 40 segment bargraph
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Continuity and Frequency Measurements
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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 Extech's DC/AC Clamp Meter. This professional meter,
with proper care, will provide years of safe reliable service.
www.burntec.com
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Table of Contents
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Summary of Contents for Extech Instruments 380941
- Page 1 User Guide AC/DC Mini Clamp Meter Model 380941 • Large 3 3/4 digit LCD display with 40 segment bargraph • Continuity and Frequency Measurements • One touch DCA zero adjust • MIN/MAX and Data Hold functions • 0.9” (23mm) Jaw diameter Introduction Congratulations on your purchase of Extech’s DC/AC Clamp Meter.
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Page 2: Specifications
AC Voltage 50/60Hz 40 to 400Hz 400V 0.1V ±(1.5% +2dgts) ±(2.0% +4dgts) 800V AC Resistance ±(1.0% +2dgts) 600V AC 40 to 400Ω Beeper <38Ω Frequency 100 to 10k 0.01Hz ±0.5% ±2dgts Sensitivity; 600V AC 2V, 0.1A AC 380941 V3.1 10/06... -
Page 3: Front Panel Description
ALWAYS turn off the power and disconnect the test leads before opening the back to replace the fuse or batteries. NEVER operate the meter unless the back cover and the battery/fuse door are in place and fastened securely. 380941 V3.1 10/06... -
Page 4: Operation
With the pointed end of the test leads measure resistance. Remember that resistance measurements are made in parallel with the device or circuit under test. Read the resistance value on the LCD. If the resistance is less than 40Ω, the continuity beeper will sound. 380941 V3.1 10/06... -
Page 5: Additional Features
MIN readings is encountered. The HOLD display icon (along with the MIN or MAX icon) will appear on the LCD in MIN/MAX mode. Pressing the MIN/MAX key a 3 time returns the meter to normal operation. 380941 V3.1 10/06... -
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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