Extech EX820 - Manuals - manualsarea.com

Page 2 - International Safety Symbols; Function Maximum

EX820-en-GB_v4.7 4/15 2 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. Proper use...

Page 3 - CAUTIONS; Do not directly view or direct the laser pointer at an eye.

EX820-en-GB_v4.7 4/15 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 itsel...

Page 4 - Description; Meter Description

EX820-en-GB_v4.7 4/15 4 Description Meter Description 1. Current clamp 2. Clamp opening trigger 3. Backlight 4. PEAK 5. RANGE 6. LCD Display 7. Test lead input jacks 8. IR thermometer and laser pointer (rear) 9. HOLD 10. Laser pointer button 11. Function switch 12. MIN/MAX 13. Mode Display icons Des...

Page 5 - Operation; AC Current Measurements; AC/DC Voltage Measurements; Correct

EX820-en-GB_v4.7 4/15 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 discon...

Page 6 - Resistance Measurements; COM; Capacitance Measurements; dISC; Frequency Measurements

EX820-en-GB_v4.7 4/15 6 Resistance Measurements Note: Remove power before making resistance measurements 1. Insert the black test lead into the negative COM terminal and the red test lead into the  positive terminal. 2. Set the function switch to the  position. 3. Touch the test probe tips across...

Page 8 - Non-Contact InfraRed Temperature Measurements; Set the function switch to the; IR; Read the temperature in the display.; WARNING: Do not directly view or direct the laser pointer at an eye.; down motion) until the hot spot is located.; Distance to object

EX820-en-GB_v4.7 4/15 8 Non-Contact InfraRed Temperature Measurements 1. Set the function switch to the IR Temp position. 2. Aim the infrared sensor (rear of the meter) at the surface to be measured. 3. Press the button in the center of the rotary function switch to turn on the laser pointer and ide...

Page 10 - Maintenance; Cleaning and Storage; Other Battery Safety Reminders; Never dispose of batteries in a fire. Batteries may explode or leak.

EX820-en-GB_v4.7 4/15 10 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 ...

Page 11 - Specifications

EX820-en-GB_v4.7 4/15 11 Specifications Function Range & Resolution Accuracy (% of reading + digits) AC Current 50/60 Hz 400.0 AAC ± (2.5% + 8d) 1000 AAC ± (2.8% + 5d) AC Voltage 50/60Hz 400.0 mVAC ± (1.0% + 10d) 4.000 VAC ± (1.5% + 5d) 40.00 VAC 400.0 VAC 600 VAC ± (2.0% + 5d) DC Voltage 400.0 ...

Page 12 - ISO

EX820-en-GB_v4.7 4/15 12 Function Range and Resolution Accuracy (% of reading + digits) Temperature (type-K) -4 to 1400 o F ± (3%rdg + 9 o F) -20 to 760 o C ± (3%rdg + 5 o C) Temp (IR) -58 to -4  F  9  F -4 to 518  F  2.0% reading or  4  F whichever is > -50 to -20  C  5  C -20 to 270 ...