Related Manuals for Extech Instruments EX820
Summary of Contents for Extech Instruments EX820
- Page 1 User Manual Extech EX820 True RMS 1000 Amp Clamp Meter with IR Thermometer Additional User Manual Translations available at www.extech.com contact: www.ponpe.com sale@ponpe.com...
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Page 2: Safety Notes
Introduction Congratulations on your purchase of the Extech EX820 True RMS 1000A Clamp Meter. This meter measures AC/DC Voltage, AC Current, Resistance, Capacitance, Frequency, Diode Test, Continuity, Type K thermocouple thermometer plus Non-Contact IR Temperature. This device is shipped fully tested and calibrated and, with proper use, will provide years of reliable service. - 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. • For all measurements, always use approved measurement category (CAT) voltage and current rated test leads, test probes, and adapters. Do not exceed the CAT rating of the lowest rated test lead, probe, adaptor, or other product accessory •...
- Page 4 Description Meter Description 1. Current clamp 2. Clamp opening trigger 3. HOLD 4. PEAK 5. RANGE 6. LCD Display 7. Test lead input jacks 8. IR thermometer and laser pointer (rear) 9. Backlight 10. Laser pointer button 11. Function switch 12.
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Page 5: 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 Current Measurements WARNING: Ensure that the test leads are disconnected from the meter before making current clamp measurements. -
Page 6: Capacitance Measurements
Resistance Measurements Note: Remove power before making resistance measurements Insert the black test lead into the negative COM terminal and the red test lead into the Ω 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 7: Type K Temperature Measurements
Type K Temperature Measurements Set the function switch to the K Temp position. Insert the Temperature Probe into the negative COM and the positive TEMP jacks, observing polarity. Touch the Temperature Probe tip to the device under test. Continue to touch the part under test with the probe until the reading stabilizes. -
Page 8: Non-Contact Infrared Temperature Measurements
Non-Contact InfraRed Temperature Measurements Set the function switch to the IR Temp position. Aim the infrared sensor (rear of the meter) at the surface to be measured. Press the button in the center of the rotary function switch to turn on the laser pointer and identify the surface spot to be measured. -
Page 9: Temperature Units (˚F / ˚C)
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 10: 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 11: Specifications
Specifications Function Range & Resolution Accuracy (% of reading + digits) AC Current 400.0 AAC ± (2.5% + 8d) 50/60 Hz 1000 AAC ± (2.8% + 5d) 400.0 mVAC ± (1.0% + 10d) 4.000 VAC AC Voltage 40.00 VAC ± (1.5% + 5d) 50/60Hz 400.0 VAC 600 VAC... - Page 12 Function Range and Resolution Accuracy (% of reading + digits) -4 to 1400 ± (3%rdg + 9 Temperature (Type-K) -20 to 760 ± (3%rdg + 5 ± 9 °F Temp -58 to -4°F (IR) ±2.0% reading or ± 4°F -4 to 518°F whichever is >...