Related Manuals for Extech Instruments 700 Series
Summary of Contents for Extech Instruments 700 Series
- Page 1 User's Guide Extech 700 Series 800 Amp Clamp Meters EX710 AC Clamp meter EX720 True RMS AC Clamp meter EX730 AC/DC True RMS Clamp meter...
- Page 2 Introduction Congratulations on your purchase of the Extech 700 Series Clamp meter. The series consists of the following models: EX710 AC Current Clamp meter EX720 True RMS AC Current Clamp with Temperature EX730 True RMS AC/DC Current Clamp with Temperature & DC zero function...
- Page 3 Safety International Safety Symbols This symbol, adjacent to another symbol or terminal, indicates the user must refer to the manual for further information. This symbol, adjacent to a terminal, indicates that, under normal use, hazardous voltages may be present Double insulation SAFETY NOTES •...
- Page 4 Description Meter Description (EX730 pictured) Current clamp Clamp opening trigger Control buttons: Data Hold Mode Peak Backlight DCA Zero (EX730 only) Backlit LCD Display COM negative input jack for black test lead Rotary function switch V·Ω·CAP·TEMP·Hz· positive input jack for red lead Display icons Description HOLD...
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Page 5: Specifications
Specifications Accuracy Range & (% of reading + digits) Function Resolution EX710 EX720 EX730 AC Current 40.00A AC ± (2.8% + 10d) ± (2.5% + 10d) ± (5% + 10d) 50/60 Hz 400.0A AC ± (2.8% + 8d) ± (2.5% + 8d) ±... - Page 6 Function Range and Accuracy Resolution (% of reading + digits) EX710 EX720 EX730 -4 to 1400 ± (3%rdg + 9 ± (3%rdg + 9 Temperature -20 to 760 ± (3%rdg + 5 ± (3%rdg + 5 General Specifications Clamp jaw opening 1.2"...
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Page 7: Operation
Operation NOTES: Read and understand all Warning and Caution statements in this operation manual prior to using this meter. Set the function select switch to the OFF position when the meter is not in use. AC/DC Current Measurements (DC Current on Model EX730 only) WARNING: Ensure that the test leads are disconnected from the meter before making current clamp measurements. -
Page 8: Resistance Measurements
Resistance Measurements Insert the black test lead into the negative COM terminal and the red test lead into the V·Ω·CAP·TEMP·Hz· positive terminal. Set the function switch to the Ω position. Touch the test probe tips across the circuit or component under test. Read the resistance on the LCD display. -
Page 9: Continuity Measurements
Temperature Measurements (Models EX720 and EX730 only) Set the function switch to the TEMP position. Insert the Temperature Probe into the negative COM and the V·Ω·CAP·TEMP·Hz· positive jacks, observing polarity. Touch the Temperature Probe head to the device under test. Continue to touch the part under test with the probe until the reading stabilizes. -
Page 10: Automatic Power Off
Data Hold To freeze the LCD reading, press the HOLD button. While data hold is active, the HOLD icon appears on the LCD. Press the HOLD button again to return to normal operation. DC ZERO (Relative) (EX730 only) The DC ZERO is a relative feature and can be used in any function. Press the DC ZERO button to zero the display. -
Page 11: Maintenance
Maintenance WARNING: To avoid electrical shock, disconnect the meter from any circuit, remove the test leads from the input terminals, and turn OFF the meter before opening the case. Do not operate the meter with an open case. Cleaning and Storage Periodically wipe the case with a damp cloth and mild detergent;... -
Page 12: Warranty
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.