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Related Manuals for Extech Instruments EX710-NIST
Summary of Contents for Extech Instruments EX710-NIST
- Page 1 User's Guide 800 Amp AC Clamp Meter Model EX710...
- Page 2 Introduction Congratulations on your purchase of the EX710 Clamp DMM. Careful use of this meter will provide many years of reliable service. Safety International Safety Symbols This symbol, adjacent to another symbol or terminal, indicates the user must refer to the manual for further information.
- Page 3 CAUTIONS Improper use of this meter can cause damage, shock, injury or death. Read and understand this user manual before operating the meter. Always remove the test leads before replacing the battery or fuses. Inspect the condition of the test leads and the meter itself for any damage before operating the meter.
- Page 4 Description Meter Description Current clamp Clamp opening trigger Control buttons: Data Hold Mode Peak Backlight Backlit LCD Display COM negative input jack for black test lead Rotary function switch V··CAP·TEMP·Hz· positive input jack for red lead Display icons Description HOLD Data Hold...
- Page 5 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 Current Measurements WARNING: Ensure that the test leads are disconnected from the meter before making current clamp measurements. Set the Function switch to the 800A, 400A, or 40A range.
- Page 6 Resistance Measurements Insert the black test lead into the negative COM terminal and the red test lead into the V··CAP·Hz· positive terminal. Set the function switch to the position. Touch the test probe tips across the circuit or component under test. Read the resistance on the LCD display.
- Page 7 Continuity Measurements Insert the black test lead into the negative COM terminal and the red test lead into the V··CAP·Hz· positive terminal. Set the function switch to the position. ) Use the MODE button to select continuity “ . The display icons will change when the MODE )”...
- Page 8 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. Peak Hold The Peak Hold function captures the peak AC or DC voltage or current. The meter can capture negative or positive peaks as fast as 1 millisecond in duration.
- Page 9 Specifications Accuracy (% of reading + digits) Range & Function Resolution AC Current 40.00A AC ± (2.8% + 10d) 50/60 Hz 400.0A AC ± (2.8% + 8d) 800A AC ± (3.0% + 8d) AC Voltage 400.0mV AC ± (1.5% + 10d) 50/60Hz 4.000V AC 40.00V AC...
- Page 10 General Specifications Clamp jaw opening 30mm (1.2") approx. Display 3-3/4 digits (4000 counts) backlit LCD Continuity check Threshold 40; Test current < 0.5mA Diode test Test current of 0.3mA typical; Open circuit voltage < 3VDC typical Low Battery indication ‘BAT’ is displayed Over-range indication ‘OL’...
- Page 11 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;...
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