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Extech 700 Series 800 Amp Clamp Meters

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1. 0 1 I 8 0 8 5 8d 2 0 5d 0 5d 8 5 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 5 3d 5 3d 5 Se 2 0 2d 2 0 2d 2 0 2 0 8 2d I I I 1 5 2 5 2 2 5 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 3 0 4 000uF 5d 3 0 5d 3 0 5d Capacitance 40 00uUF 400 0uF 4 0 10d 4 0 10d 4 0 10d 10 10d 10 10d 10 10d unspecified unspecified Frequency 1 5 2d 1 5 2d 1 5 2d Frequency Sensitivity 100V lt 50Hz 50V 50 to 400Hz 5V 401 to 4000Hz I 5 EX700 Series Version 3 0 1 05 Range and Resolution Accuracy of reading digits EX710 EX720 EX730 3 rdg 9 F 3 rdg 9 F 4 to 1400 F Temperature 20 to 760 C General Specifications Clamp jaw opening Display Continuity check Diode test Low Battery indication Over range indication Measurement rate PEAK Temperature sensor Input Impedance AC bandwidth AC response Crest Factor Operating Temperature Storage Temperature Operating Humidity Storage Humidity Operating Altitude Battery Auto power OFF Dimensions amp Weight Safety 3 rdg 5 C 3 rdg 5 C 1 2 30mm approx 3 3 4
2. Version 3 0 1 05 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 DC ZERO Relative EX730 only The DC ZERO is a relative feature and can be used in any function 1 Press the DC ZERO button to zero the display ZERO will appear in the display The displayed reading is now the actual value less the stored zero value 2 Press the DC ZERO buiton to view the stored value ZERO will flash in the display 3 To exit this mode press and Hold the ZERO button until ZERO is no longer in the display 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 EX730 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 6 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
3. digits 4000 counts backlit LCD Threshold 40Q Test current lt 0 5mA Test current of 0 3mA typical Open circuit voltage lt 3VDC typical BAT is displayed OL display 2 readings per second nominal Captures peaks gt 1ms Type K thermocouple 10MQ VDC and VAC 50 to 400Hz AAC and VAC True rms AAC and VAC on EX720 amp EX730 3 0 in 40A and 400A ranges 1 4 in 800A 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 After approx 25 minutes 9 0 x 3 1 x 2 0 229 x 80 x 49mm 10 7 oz 803g For indoor use and in accordance with the requirements for double insulation to IEC1010 1 2001 EN61010 1 2001 Overvoltage Category III 600V and Category II 1000V Pollution Degree 2 6 EX700 Series Version 3 0 1 05 Operation NOTES Read and understand all Wamingand Cautionstatements 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 DC Current Measurements DC Current on Model EX730 only WARNING Ensure that the test leads are disconnected from the meter before making current clamp measurements 1 Set the Function switch to the 800A 400A or 40A range If the approx range of the measurement is not known select the highest ran
4. 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 Temperature EX720 amp EX730 only 60V DC 24V AC 3 EX700 Series Version 3 0 1 05 Description Meter Description EX730 pictured Current clamp 2 Clamp opening
5. User s Guide EXTE NS TRUMENTS Extech 700 Series 800 Amp Clamp Meters EX710 AC Clamp meter EX720 True RMS AC Clamp meter EX730 AC DC True RMS Clamp meter Introduction Congratulations on your purchase of the Extech 700 Series Clamp meter The series consists of the following models EX710 AC Current Clamp meter EX720 True RMS AC Current Clamp with Temperature EX730 True RMS AC DC Current Clamp with Temperature amp DC zero function In addition to the parameters shown above in the individual model list all models measure AC DC Voltage Resistance Capacitance Frequency Continuity Diode The Extech 700 Series features Auto Power OFF Data Hold Peak Hold Backlit LCD display 2 EX700 Series Version 3 0 1 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 Ol 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 battery 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
6. ech 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 Saw EE 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 2004 Extech Instruments Corporation All rights reserved including the right of reproduction in whole or in part in any form 12 EX700 Series Version 3 0 1 05
7. ge then move to the lower ranges if necessary 2 Use the MODE button to select AC or DC EX730 only 3 Press the DC ZERO button to zero the meter display EX730 DC only 4 Press the trigger to open jaw Fully enclose only one conductor For optimum results center the conductor in the jaw 5 The clamp meter LCD will display the Correct Incorrect reading AC DC Voltage Measurements 1 Insert the black test lead into the negative COM terminal and the red test lead into the positive V Q CAP TEMP Hz gt terminal Set the function switch to the V Hz position Use the MODE button to select AC or DC Voltage Connect the test leads in parallel to the circuit under test St en SST N Read the voltage measurement on the LCD display 7 EX700 Series Version 3 0 1 05 Resistance Measurements 1 Insert the black test lead into the negative COM terminal and the red test lead into the V QO CAP TEMP Hz gt positive terminal Set the function switch to the Q position Touch the test probe tips across the circuit or component under test Read the resistance on the LCD display Capacitance Measurements WARNING To avoid electric shock discharge the capacitor under test before measuring 1 2 Set the function switch to the CAP position Insert the black test lead banana plug into the negative COM jack and the red test lead banana plug into the V QO CAP TEMP Hz F positive jack Touch the te
8. obe until the reading stabilizes Read the temperature on the display The digital reading will indicate the proper decimal point and value Use the MODE button 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 V O CAP TEMP Hz F positive terminal 2 Set the function switch to the A position 3 Use the MODE button to select continuity af 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 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 V Q CAP TEMP Hz F positive jack 2 Turn the function switch to gt 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 H both readings display OL the device is open H both readings are very small or 0 the device is shorted 9 EX700 Series
9. position is changed after a calibration the Peak Hold calibration must be repeated for the new function selected a a on LCD Backlight Button 7 The LCD is equipped with backlighting for easier viewing especially in dimly lit areas Press the backlight button to turn the backlight on Press again to turn the backlight off Note that the meter does have an auto power off feature as described below 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 10 EX700 Series Version 3 0 1 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 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 To use a Type K thermoco
10. st probe tips across the part under test If dlSC appears in the display remove and discharge the component Read the capacitance value in the display The display will indicate the proper decimal point and value Note For very large values of capacitance measurement it can take several minutes before the final reading stabilizes Frequency Measurements 1 SE E p EE Se Insert the black test lead banana plug into the negative COM jack and the red test lead banana plug into the V O CAP TEMP Hz positive jack Set the function switch to the V Hz Position Press and hold the MODE button to select the Frequency Hz function k Hz will appear in the display Touch the test probe tips across the part under test Read the Frequency value on the display The display will indicate the proper decimal point and value Press and hold the MODE button again to return to the voltage mode 8 EX700 Series Version 3 0 1 05 Temperature Measurements Models EX720 and EX730 only e WARNING To avoid electric shock be sure the thermocouple probe has been removed before changing to another measurement function Set the function switch to the TEMP position Insert the Temperature Probe into the negative COM and the V Q CAP TEMP Hz positive jacks observing polarity Touch the Temperature Probe head to the device under test Continue to touch the part under test with the pr
11. trigger 3 Control buttons Data Hold Mode Peak Backlight DCA Zero EX730 only 4 Backlit LCD Display 5 COM negative input jack for black test lead 6 Rotary function switch e V Q CAP TEMP Hz gt F positive input jack for red EXTEGH lead eS Display icons Description HOLD Data Hold Minus sign Negative reading display 0 to 3999 Measurement display digits DC ZERO DCA Zero Model EX730 only PEAK Peak capture AUTO Auto Range mode DC AC Direct Current Alternating Current BAT Low battery mV or V Milli volts or Volts Voltage Q Ohms Resistance A Amperes Current F 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 e Continuity test gt Diode test HOLD ZERO PEAK AUTO numF MkQOHz PF HHH BAT 4 EX700 Series Version 3 0 1 05 Specifications Accuracy Range amp of reading digits nesouon EX710 EX720 EX730 AC Current 10d 10d 10d I 2 5 SOBOR 2 8 8d 2 5 8d 10d T RMS EX720 amp EX730 3 0 8d 2 8 5d 2 8 10d 8 8 EX730 only NA NA 5 10d 2 8 10d 5 I 5 5 2 5 5 i I I 1 5 10d 1 0 10d 1 0 10d 2 2 3 1 AC Voltage 50 60Hz 1 5 5d 1 5 5d True RMS on EX720 amp EX730 2
12. uple probe that is terminated by a subminiature flat blade connector a subminiature to banana plug adaptor Part Number TP879 is required 11 EX700 Series Version 3 0 1 05 Warranty EXTECH INSTRUMENTS CORPORATION warrants this instrument to be free of defects in parts and workmanship for one year 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 will 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 Ext

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