Extech Instruments EX850 User Manual Download | Manualshive

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USER

MANUAL

Extech

EX850

True

RMS

1000

Amp

Clamp

Meter

Bluetooth

TM

and

Android

TM

ready

Patented

1
2
3
...
»

Summary of Contents for EX850

Page 1: ...USER MANUAL Extech EX850 True RMS 1000 Amp Clamp Meter BluetoothTM and AndroidTM ready Patented ...

Page 2: ...nual for further information This symbol adjacent to a terminal indicates that under normal use hazardous voltages may be present Double insulation SAFETY NOTES Do not exceed the maximum allowable input range of any function Do not apply voltage to meter when resistance function is selected Set the function switch OFF when the meter is not in use Remove the battery if meter is to be stored for lon...

Page 3: ... terminals are not live If the equipment is used in a manner not specified by the manufacturer the protection provided by the equipment may be impaired This device is not a toy and must not reach children s hands It contains hazardous objects as well as small parts that the children could swallow In case a child swallows any of them please contact a physician immediately Do not leave batteries and...

Page 4: ...switch Display icons Description HOLD Data Hold Minus sign Negative reading display 0 to 3999 Measurement display digits ZERO Zero P Peak value AUTO Auto Range mode DC AC Direct 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 oF and oC Fahrenheit and Celsius units Tempera...

Page 5: ...fset 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 remo ved 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 mode pres...

Page 6: ...t lead 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 th...

Page 7: ...ve COM terminal and the red test 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 40 Ω a tone will sound Diode Test 1 Insert the black test lead banana plug into the negative...

Page 8: ...l 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 calculated by the field of view diagram 2 If the surface of the object und...

Page 9: ...s off Note If the Function switch position is changed after a calibration the Peak Hold calibration must be repeated for the 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 the display icon MIN will ...

Page 10: ... Play Store 2 Perform a search to obtain the EX850 from the list of available devices 3 Pair the meter with the Android device tablet or phone in Settings under Bluetooth Use code 1234 to pair the EX850 to the Android device 4 Start the ExViewTM EX850 application tap CONNECT icon and the paired list will appear Tap on the EX850 meter from the paired list 5 The upper left corner of the App should i...

Page 11: ...mful interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures Reorient or relocate the receiving antenna Increase the separation between the equipment and receiver Connect the equipment into an outlet on a circuit different from that to which the recei...

Page 12: ...s 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 do not use abrasives 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 t...

Page 13: ... 1 0 10d 4 000 VAC 1 5 5d 40 00 VAC 400 0 VAC 1000 VAC 2 0 5d DC Voltage 400 0 mVDC 0 8 2d 4 000 VDC 1 5 2d 40 00 VDC 400 0 VDC 1000 VDC 2 0 2d Resistance 400 0Ω 1 0 4d 4 000kΩ 1 5 2d 40 000kΩ 400 0kΩ 4 000MΩ 2 5 3d 40 00MΩ 3 5 5d Capacitance 4 000nF 5 0 30d 40 00nF 5 0 20d 400 0nF 3 0 5d 4 000µF 40 00µF 400 0µF 4 0 10d 4 000mF 10 10d 40 00mF unspecified Frequency 4 000kHz 1 5 2d Sensitivity 100V ...

Page 14: ...unction Range and Resolution Accuracy of reading digits Temperature type K 4 to 1400o F 3 rdg 9o F 20 to 760o C 3 rdg 5o 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 C 2 0 reading or 2 C whichever is ...

Page 15: ...rms AAC and VAC Crest Factor 3 0 in 40A and 400A ranges 1 4 in 1000A range 50 60Hz and 5 to 100 of range Operating Temperature 5 C to 40 C 41 F to 104 F Storage Temperature 20 C to 60 C 4 F to 140 F Operating Humidity Max 80 up to 31 C 87 F decreasing linearly to 50 at 40 C 104 F Storage Humidity 80 Operating Altitude 2000m 7000ft maximum Battery One 1 9V Battery NEDA 1604 Auto power OFF After app...

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