EXTECH EX 800 Series Clamp Meters user`s guide (PDF 443 KB)
Contents
1. MAX MIN key and a blinking MAX MIN will appear The meter will display the present reading but will continue to update and store the max and min readings 4 To exit MAX MIN mode press and hold the MAX MIN key for 2 seconds Temperature Units F C pu Swich The temperature units selection switch is located in the battery compartment To change the units remove the battery door lift gt out the battery and set the switch for the desired units LCD Backlight Button The LCD is equipped with backlighting for easier viewing especially in dimly lit areas Press the backlight button to turn the E backlight on Press again to turn the backlight off Automatic Power OFF In order to conserve battery life the meter will automatically turn off after approximately 25 minutes To turn the meter on again turn the function switch to the OFF position and then to the desired function position 11 EX800 Series Version 3 1 6 05 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 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 Replacement2. 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 To use a Type K thermocouple probe that is terminated by a subminiature flat blade connector a subminiature to banana plug adaptor Part Number TP879 is required 12 EX800 Series Version 3 1 6 05 Warranty EXTECH INSTRUMENTS CORPORATION warrants this instrument to be free of defects in parts and workmanship for one yeer from date of shipment a six month limited warranty applies to sensors and cables If it should become necessary to return the instrument for service during or beyond the warranty period contact the Customer Service Department at 781 890 7440 ext 210 for authorization or visit our website www extech com for contact information A Return Authorization RA number must be issued before any product is returned to Extech The sender is responsible for shipping 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 wil
3. 1 5 10d 1 0 10d 1 0 10d AC Voltage 4 000 VAC eon 40 00 VAC 1 8 8d 1 5 5d 1 5 5d Exezo amp Exceso 400 0 VAC 600 VAC 2 5 8d 2 0 5d 2 0 5d 0 8 2d 0 8 2d 0 8 2d 4 000 VDC DC Voltage 1 5 2d 1 5 2d 1 5 2d 400 0 VDC 600 VDC 2 0 2d 2 0 2d 2 0 2d 1 0 4d 1 0 4d 1 0 4d 1 5 2d 1 5 2d 1 5 2d Resistance 2 5 3d 2 5 3d 2 5 3d 3 5 5d 3 5 5d 3 5 5d 5 0 30d 5 0 30d 5 0 30d 5 0 20d 5 0 20d 5 0 20d Capacitance 3 0 5d 3 0 5d 3 0 5d 4 0 10d 4 0 10d 10 10d eer 10 10d ioe Frequency Sensitivity 100V lt 50Hz 50V 50 to 400Hz 5V 401Hz to 4000Hz 5 EX800 Series Version 3 1 6 05 Range and of reading digits Resolution een Temp 9 F IR 2 0 reading or 4 to 518 F 4 F whichever is gt 20 to 270 C General Specifications Clamp jaw opening Display Continuity check Diode test Low Battery indication Over range indication Measurement rate PEAK Thermocouple sensor IR Spectral response IR Emissivity IR distance ratio Input Impedance AC bandwidth AC response Crest Factor Operating Temperature Storage Temperature Operating Humidity Storage Humidity Operating Altitude Battery Auto power OFF Dimensions a
4. 800 Series Version 3 1 6 05 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 Q positive terminal 2 Set hne function switch to the Q position 3 Touch the test probe tips across the circuit or component under test 4 Read the resistance on the LCD display Capacitance Measurements WARNING To avoid electric shock discharge the capacitor under test before measuring If dISC appears in the display remove and discharge the capacitor 1 Set the function switch to the 1 capacitance position 2 Insert the black test lead banana plug into the negative COM jack and the red test lead banana plug into the CAP positive jack Press MODE to zero any stray capacitance 3 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 function switch to the V Hz Position 2 Press and hold the MODE button to select the Frequency Hz function k Hz will appear in the display 3 Insert the black test lead banana plug into the negative COM jack and the red test lead banana plug into the Hz positive jack Touch the test probe tips acr
5. User s Guide EXTECH INSTRUMENTS 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 Introduction Congratulations on your purchase of the EX800 Series Clamp device The series consists of the following models EX810 1000A AC Current Clamp meter EX820 1000A True RMS AC Current Clamp EX830 1000A 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 will provide many years of reliable service 2 EX800 Series Version 3 1 6 05 Safety International Safety Symbols This symbol adjacent to another symbol or terminal indicates the user must refer to the manual for further information A This symbol adjacent to a terminal indicates that under normal use hazardous voltages may be present E Double insulation SAFETY NOTES e Do not exceed the maximum allowable input range of any function e Do not apply voltage to meter when resistance function is selected e Set the function switch OFF when the meter is not in use e Remove the batt
6. ature EX820 amp EX830 only 60V DC 24V AC 3 EX800 Series Version 3 1 6 05 Description Meter Description EX830 pictured Current clamp Clamp opening trigger 1 Data Hold Button Mode Peak Range DCA Zero EX830 only MIN MAX Backlit LCD Display Test lead input jacks IR thermometer and laser pointer rear Backlight Button Laser pointer button Function switch R l E ee E k k k ek ek ey SS oo oO ow Display icons Description HOLD Data Hold Minus sign Negative reading display 0 to 3999 Measurement display digits ZERO DCA Zero Model EX830 only ian es IR TEMP MAX MIN Pmax Bun gt gt MAX PMIN AUTO Auto R d DC AG pied crea AUTO HOLD ZERG NNE ME Sing Current dP 0 P C MAX Max reading x all BI iT MIN Min reading Gp ap A Low battery mV or V Milli volts or Volts Voltage mV ee 4 a a Q Ohms Resistance A Amperes Current E Farad Capacitance Hz Hertz Frequency F and C Fahrenheit and Celsius units Temperature n m u M k Unit of measure prefixes nano milli micro mega and kilo Continuity test Diode test Laser pointer gt A 4 EX800 Series Version 3 1 6 05 Specifications Accuracy Range 8 of H ae Resolution EXB1O CC EXB1O CC EX820 EX830 AC Current 400 0 AAC 2 8 8d 2 5 8d 2 5 8d 50 60 Hz a DC Current Ta IEEE E 2 5 5d exesoony 1t000ADC 28 Bd 400 0 mVAC
7. e See the Temperature Units paragraph to select F or C WARNING Do not directly view or direct the laser pointer at an eye Low power visible lasers do not normally present a hazard but may present some potential for hazard if viewed directly for extended periods of time LASER RADIATION DO N T STARE INTO BEAM DIODE LASER lt 1mW Output at 630 to 670nm CLASS H LASER PRODIIT 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 Diameter of spot 7 5cm 125m C CI 10cm 48 gt 20cm lt 24 gt 60cm Distance to object IR Measurement Notes 1 The object under test should be larger than the spot target size calculated by the field of view diagram 2 Ifthe surface of the object under test is covered with frost oil grime etc clean before taking measurements 3 Ifan object s surface is highly reflective apply masking tape or flat black paint to the surface before measuring 4 The meter may not make accurate measurements through transparent surfaces such as glass 5 Steam dust smoke etc can obscure measurements 6 To find a hot spot aim the meter outside the area of interest then scan across in an up and down motion until the hot spot is located 10 EX800 Series Version 3 1 6 05 Data Hold To freeze the LCD reading press the HOLD b
8. ery if meter is to be stored for longer than 60 days WARNINGS e Set function switch to the appropriate position before measuring e When measuring volts do not switch to current resistance modes e Do not measure current on a circuit whose voltage exceeds 600V e When changing ranges always disconnect the test leads from the circuit under test UL Note A UL mark does not indicate that this product has been evaluated for accuracy CAUTIONS e Improper use of this meter can cause damage shock injury or death Read and understand this user manual before operating the meter e Always remove the test leads before replacing the battery or fuses e 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 e Use great care when making measurements if the voltages are greater than 25VAC rms or 35VDC These voltages are considered a shock hazard e Always discharge capacitors and remove power from the device under test before performing Diode Resistance or Continuity tests e Voltage checks on electrical outlets can be difficult and misleading because of the uncertainty of connection to the recessed electrical contacts Other means should be used to ensure that the terminals are not live e If the equipment is used in a manner not specified by the manufacturer the protection provided by the equipment may be impaired Function Maximum Input Type K Temper
9. l not be liable for any direct indirect incidental or consequential damages Extech s total liability is limited to repair or replacement of the product The warranty set forth above is inclusive and no other warranty whether written or oral is expressed or implied Calibration and Repair Services Extech offers repair and calibration services for the products we sell Extech also provides NIST certification for most products Call the Customer Service Department for information on calibration services available for this product Extech recommends that annual calibrations be performed to verify meter performance and accuracy so AA Support line 781 890 7440 Technical support Extension 200 E mail support extech com Repair amp Returns Extension 210 E mail repair extech com Product specifications subject to change without notice For the latest version of this User s Guide Software updates and other up to the minute product information visit our website www extech com Copyright O 2004 Extech Instruments Corporation All rights reserved including the right of reproduction in whole or in part in any form 13 EX800 Series Version 3 1 6 05
10. mp Weight Safety 2 0 reading or 2 0 reading or 4 F 4 F whichever is gt whichever is gt 2 0 reading or 26 whichever is gt 2 0 reading or 2 C whichever is gt 2 0 reading or 2 C whichever is gt 1 7 43mm approx 3 3 4 digits 4000 counts backlit LCD Threshold 40Q Test current lt 0 5mA Test current of 0 3mA typical Open circuit voltage lt 3VDC typical Battery symbol is displayed OL display 2 readings per second nominal Captures peaks gt 1ms Type K thermocouple required 6 to 16um 0 95 fixed 8 1 10MQ VDC and VAC 50 to 400Hz AAC and VAC True rms AAC and VAC on EX820 amp EX830 3 0 in 40A and 400A ranges 1 4 in 1000A range 50 60Hz and 5 to 100 of range 41 F to 104 F 5 C to 40 C 4 F to 140 F 20 C to 60 C Max 80 up to 87 F 31 C decreasing linearly to 50 at 104 F 40 C lt 80 7000ft 2000meters maximum One 1 9V Battery NEDA 1604 After approx 25 minutes 10 6x4 3x2 270x110x50mm 13 6 oz 3869 For indoor use and in accordance with the requirements for double insulation to 1EC1010 1 2001 EN61010 1 2001 Overvoltage Category III 600V and Category II 1000V Pollution Degree 2 6 EX800 Series Version 3 1 6 05 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 i
11. oss the part under test Read the Frequency value on the display The display will indicate the proper decimal point and value a AL A Press and hold the MODE button again to return to the voltage mode WE He EXTECH MODE maximn J 8 EX800 Series Version 3 1 6 05 Type K Temperature Measurements Models EX820 and EX830 only WARNING To avoid electric shock be sure the thermocouple probe has been removed before changing to another measurement function Note An open input or a temperature overrange the meter will display 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 Read the temperature on the display The digital reading will indicate the proper decimal point and value OL and beep Note See the Temperature Units paragraph to select F or C Continuity Measurements 1 Insert the black test lead into the negative COM terminal and the red test lead into the Q positive terminal 2 Set the function switch to the 01 position 3 Use the MODE button to select continuity The display icons will change when the MODE button is pressed 4 Touch
12. s not in use AC DC Current Measurements DC Current on Model EX830 only WARNING Ensure that the test leads are disconnected from the meter before making current clamp measurements 1 Set the Function switch to the AAC or ADc range 2 Press the trigger to open jaw Fully enclose only one conductor For optimum results center the conductor in the jaw 3 The clamp meter LCD will display the reading DCA ZERO EX830 only r ems e a The DC Zero feature 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 N P TEMP Hz Correct Incorrect 3 To exit this mode press and Hold the ZERO button until ZERO is no longer in the display AC DC Voltage Measurements 1 Insert the black test lead into the negative COM terminal and the red test lead into the positive V terminal Set the function switch to the Vac or VDC position Use the MODE button to select AC or DC Voltage EX830 only Connect the test leads in parallel to the circuit under test oe oe hy Read the voltage measurement on the LCD display 7 EX
13. the test probe tips across the circuit or component under test 5 Ifthe resistance is lt 40Q a tone will sound Diode Test 1 Insert the black test lead banana plug into the negative COM jack and the red test lead banana plug into the positive jack 2 Turn the function switch to F position Use the MODE button to select the diode function if necessary diode symbol will appear on the LCD when in Diode test mode 3 Touch the test probe tips to the diode or semiconductor junction under test Note the meter reading 4 Reverse the test lead polarity by reversing the red and black leads Note this reading 5 The diode or junction can be evaluated as follows f one reading displays a value typically 0 400V to 0 900V and the other reading displays OL the diode is good If both readings display OL the device is open If both readings are very small or 0 the device is shorted 9 EX800 Series Version 3 1 6 05 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 6 button in the center of the rotary function switch to turn on the laser pointer and identify the surface spot to be measured 4 The area of the surface to be measured must be larger than the spot size as determined by the distance to spot size specification 5 Read the temperature in the display Not
14. utton 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 Turn the function switch to the A or V position Use the MODE button to select AC or DC ADC EX830 only Allow time for the display to stabilize Press and Hold the PEAK button until CAL appears in the display This procedure will zero the range selected Press the PEAK button Pmax will display A IS The display will update each time a higher positive peak occurs Press the PEAK button again Pmin will display The display will now update and indicate the lowest negative peak 8 To return to normal operation press and hold the PEAK button until the Pmin or Pmax indicator switches 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 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 the
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