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Summary of Contents for Extech Instruments 380950
- Page 1 99 Washington Street Melrose, MA 02176 Phone 781-665-1400 User's Guide Toll Free 1-800-517-8431 Visit us at www.TestEquipmentDepot.com Model 380950 80A Mini AC/DC Clamp Meter...
- Page 2 Introduction Congratulations on your purchase of the Extech 80A Mini AC/DC Clamp Meter. The Model 380950 measures AC/DC Current, AC/DC Voltage, Resistance, Frequency, Capacitance, Duty Cycle, Diode Test, and Continuity. This clamp meter is shipped fully tested and calibrated and, with proper use, will provide years of reliable service.
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Page 3: Meter Description
Battery cover (rear) AC (alternating current) DC (direct currrent) Minus sign AUTO AutoRange mode ZERO ZERO mode •))) Audible Continuity HOLD Data Hold mode Low Battery icon Diode test mode milli Volts Amps kilo Mega Ω Ohms 380950 V1.0 6/07... -
Page 4: Operation
4. Touch the test probe tips to the circuit or wire you wish to check. 5. If the resistance is less than approximately 150Ω, the audible signal will sound. If the circuit is open, the display will indicate “OL.”. 380950 V1.0 6/07... - Page 5 4. Press the trigger to open the jaw. Fully enclose the conductor to be measured. 5. The analog voltage signal is output to the measuring device. Note: When measuring DCA, the output signal is DCV. When measuring ACA, the output signal is both ACV and DCV. 380950 V1.0 6/07...
- Page 6 Zero Button Zeros Capacitance and DC Current measurements. Also allows the user to offset the meter by using the displayed value as the zero reference value. Press the ZERO key momentarily to activate and to exit Zero mode. 380950 V1.0 6/07...
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Page 7: Specifications
500.0KHz 5.000MHz 10.00MHz Duty Cycle 0.5% to 99.0% ± (1.2% + 2 digits) Pulse Width: 100µs-100ms, Frequency: 5Hz to 150KHz Analog Output 10mV/Amp ; Accuracy: ± (5%rdg + 2mV); (ACA & DCA Output impedance: approx 3kΩ ranges) 380950 V1.0 6/07... - Page 8 OVERVOLTAGE CATEGORY IV Equipment of OVERVOLTAGE CATEGORY IV is for use at the origin of the installation. Note – Examples include electricity meters and primary over-current protection equipment 380950 V1.0 6/07...
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Page 9: Maintenance
Re-assemble the meter 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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