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User's Guide

Extech 800 Series
1000 Amp Clamp Meters
with IR Thermometer

EX810 AC Clamp meter

EX820 True RMS AC Clamp meter

EX830 AC/DC True RMS Clamp meter

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Summary of Contents for EX810

Page 1: ...User s Guide Extech 800 Series 1000 Amp Clamp Meters with IR Thermometer EX810 AC Clamp meter EX820 True RMS AC Clamp meter EX830 AC DC True RMS Clamp meter ...

Page 2: ...A True RMS AC DC Current Clamp All models measure Infrared Temperature AC DC Voltage Resistance Capacitance Frequency Continuity Diode Model specific functions EX830 DC Current True RMS Type K thermometer DC Zero EX820 True RMS Type K thermometer EX810 Average responding The EX800 Series features Auto Power OFF Max Min recording Data Hold Peak Hold Backlit LCD display Careful use of this meter wil...

Page 3: ...TIONS 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 Repair or replace any damage before use Use great care when making measurements if the voltage...

Page 4: ...tch Display icons Description HOLD Data Hold Minus sign Negative reading display 0 to 3999 Measurement display digits ZERO DCA Zero Model EX830 only P Peak value AUTO Auto Range mode DC AC Direct Current Alternating Current MAX Max reading MIN Min reading Low battery mV or V Milli volts or Volts Voltage Ω Ohms Resistance A Amperes Current F Farad Capacitance Hz Hertz Frequency o F and o C Fahrenhe...

Page 5: ...VAC 2 5 8d 2 0 5d 2 0 5d 400 0 mVDC 0 8 2d 0 8 2d 0 8 2d 4 000 VDC 40 00 VDC 400 0 VDC 1 5 2d 1 5 2d 1 5 2d DC Voltage 600 VDC 2 0 2d 2 0 2d 2 0 2d 400 0Ω 1 0 4d 1 0 4d 1 0 4d 4 000kΩ 40 000kΩ 400 0kΩ 1 5 2d 1 5 2d 1 5 2d 4 000MΩ 2 5 3d 2 5 3d 2 5 3d Resistance 40 00MΩ 3 5 5d 3 5 5d 3 5 5d 4 000nF 5 0 30d 5 0 30d 5 0 30d 40 00nF 5 0 20d 5 0 20d 5 0 20d 400 0nF 4 000µF 40 00µF 3 0 5d 3 0 5d 3 0 5d ...

Page 6: ...n OL display Measurement rate 2 readings per second nominal PEAK Captures peaks 1ms Thermocouple sensor Type K thermocouple required IR Spectral response 6 to 16µm IR Emissivity 0 95 fixed IR distance ratio 8 1 Input Impedance 10MΩ VDC and VAC AC bandwidth 50 to 400Hz AAC and VAC AC response True rms AAC and VAC on EX820 EX830 Crest Factor 3 0 in 40A and 400A ranges 1 4 in 1000A range 50 60Hz and ...

Page 7: ...removes offset values and improves accuracy for DC current measurements To perform a zero select ADC and with no conductor in the jaw 1 Press the DC ZERO button to zero the display ZERO will appear in the display The offset value is now stored and removed from all measurements 2 To view the stored value press the DC ZERO button ZERO will flash and the stored value will be displayed 3 To exit this ...

Page 8: ... banana plug into the CAP positive jack 3 Press MODE to zero any stray capacitance 4 Touch the test probe tips across the part under test 5 Read the capacitance value in the display 6 The display will indicate the proper decimal point and value Note For very large values of capacitance measurement time can be several minutes before the final reading stabilizes Frequency Measurements 1 Set the func...

Page 9: ...est lead into the Ω positive terminal 2 Set the function switch to the position 3 Use the MODE button to select continuity The display icons will change when the MODE button is pressed 4 Touch the test probe tips across the circuit or component under test 5 If the resistance is 40Ω a tone will sound Diode Test 1 Insert the black test lead banana plug into the negative COM jack and the red test lea...

Page 10: ...ble lasers do not normally present a hazard but may present some potential for hazard if viewed directly for extended periods of time IR Spot to Distance Diagram The 8 1 spot to distance ratio determines the size of the measured surface area with respect to the distance the meter is held away from the surface IR Measurement Notes 1 The object under test should be larger than the spot target size c...

Page 11: ...new function selected MAX MIN 1 Press the MAX MIN key to activate the MAX MIN recording mode The display icon MAX will appear The meter will display and hold the maximum reading and will update only when a new max occurs 2 Press the MAX MIN key and MIN will appear The display icon MIN will appear The meter will display and hold the minimum reading and will update only when a new min occurs 3 Press...

Page 12: ... or solvents If the meter is not to be used for 60 days or more remove the battery and store it separately Battery Replacement 1 Remove the Phillips head screw that secures the rear battery door 2 Open the battery compartment 3 Replace the 9V battery 4 Secure the battery compartment Temperature Probe Replacement The replacement bead wire probe with banana plug connectors is Part Number TP873 Note ...

Page 13: ... charges freight insurance and proper packaging to prevent damage in transit This warranty does not apply to defects resulting from action of the user such as misuse improper wiring operation outside of specification improper maintenance or repair or unauthorized modification Extech specifically disclaims any implied warranties or merchantability or fitness for a specific purpose and will not be l...

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