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Table of Contents
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Summary of Contents for Extech Instruments 380947
- Page 1 User's Guide True RMS AC/DC Mini Clamp Meter Model 380947...
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Page 2: Warranty
Introduction Congratulations on your purchase of the Extech 380947 True RMS Clamp Meter. This Clamp meter measures current up to 400A DC/AC and measures Frequency up to 100 kHz. Careful use of this meter will provide years of reliable service. -
Page 3: General Specifications
±(4.0% + 3d) ±(5.0% + 4d) 500A AC Frequency (Hz) Resolution Accuracy Sensitivity Overload Protect 40Hz to 250Hz 0.01 to 0.1Hz ±(0.5% + 2d) 3.0A 500A AC 250Hz to 10kHz 0.1 to 1Hz ±(0.5% + 2d) 0.3A 500A AC 380947 V3.0V 10/06... -
Page 4: Meter Description
ZERO / Relative button – Zeroes the DCA reading Function select switch HOLD button to freeze displayed reading MAX/MIN button – Press to track and view highest and lowest readings LCD Display with function indicators, units of measure, and bargraph 380947 V3.0V 10/06... -
Page 5: Display Icons
The bargraph is to be interpreted based on the range the meter is in while the measurement is being made. If the bargraph shows 40 segments lit, then the signal is at the highest end of the meter’s present range. 380947 V3.0V 10/06... -
Page 6: Operation
20A reading is zeroed and a 30A reading is subsequently measured, the LCD will display 10A. 3. To return to normal operation, press and hold the ZERO key for 2 seconds. 4. Note that Relative mode is not available if the MIN/MAX mode is enabled. 380947 V3.0V 10/06... -
Page 7: Calibration And Repair Services
Support Hotline (781) 890-7440 Tech support: Ext. 200; Email: support@extech.com Repair/Returns: Ext. 210; Email: repair@extech.com Website: www.extech.com Copyright © 2006 Extech Instruments Corporation All rights reserved including the right of reproduction in whole or in part in any form. 380947 V3.0V 10/06...
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