USER`S MANUAL DCL-680
Contents
1. Connect the test leads in parallel to the circuit under test Read the voltage measurement on the LCD display N BRON 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 Q position Touch the test probe tips across the circuit or component under test It is best to disconnect one side of the device under test so the rest of the circuit will not interfere with the resistance reading 3 Read the resistance value on the LCD display Py ae Diode and Continuity Measurements 1 Insert the black test lead banana plug into the negative COM jack and the red test lead banana plug into the positive diode jack Turn the rotary switch to the gt position Press the MODE button until gt appears in the display Touch the test probes to the diode under test Forward voltage will indi cate 0 4V to 0 7V Reverse voltage will indicate OL Shorted devices will indicate near OmV and an open device will indicate OL in both polarities Red Black Black Red Probe Probe Probe Probe te a A Forward test Reverse test 5 Press MODE button to display For Continuity tests if resistance is lt 40Q tone will sound Capacitance Measurements WARNING To avoid electric shock disconnect power to the unit under test and discharge all capacitors before taking any capacitance measurements Remove t2. 1 5V DC typical Threshold lt 40Q Test current lt 0 5mA fe is displayed OL is displayed 2 per second nominal 10MQ VDC and VAC 6000 counts LCD 50 400Hz AAC 50 400Hz VAC 41 to 104 F 5 to 40 C 4 to 140 F 20 to 60 C Max 80 up to 87 F 31 C decreasing linearly to 50 at 104 F 40 C lt 80 7000ft 2000 meters maximum One 9V Battery approx 15 minutes 232x77x39mm 271g This meter is UL and CUL approved and con forms to IEC61010 1 for Overvoltage Category CAT III 600V Operation NOTES Read and understand all warning and caution statements in this operation manual before using this meter Set the function select switch to the OFF position when the meter is not in use AC DC Current Measurements WARNING Ensure that the test leads are disconnected from the meter before making current clamp measurements 1 Set the Function switch to 1000A 600A 1000A or 600A range if 2 If the range of the measured is not known select the higher range first then move to no the lower range if necessary i 3 Press the trigger to open jaw Fully en s close one conductor to be measured The clamp meter LCD will display the reading DC AC 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 Vv position Select AC or DC with the MODE button
3. V Volts voltage F Farad capacitance Hz Frequency Duty ratio Low Battery 9 Ohms Specifications Een Resour cae eado AC Current 600 0 AAC 2 8 8 digits 50 60Hz 1000 AAC 3 0 8 digits AC Current 600 0 AAC 5 0 10 digits 400Hz 1000 AAC 5 0 10 digits Be Caner 600 0 ADC 2 8 5 digits 1000 ADC 3 0 5 digits 600 0 mVDC 0 8 2 digits DC Voltage enue a 60 00 VDC 1 5 2 digits 600 0 VDC 6 000 VAC EE 60 00 VAC 1 8 8 digits 600 0 VAC 600 0 Q 1 0 4 digits 6 000KQ 60 00KO 1 5 2 digits Resistance 600 0KQ 6 000MQ 2 5 3 digits 60 00MQ 3 5 5 digits 40 00nF 4 0 20 digits 400 0nF ee 4 000pF 3 5 digits 40 00uF 400 0uF 4 0 10 digits 4000F 5 0 10 digits de eie anne 10 10kHz 1 5 2 digits Temp type K probe 20 0 to 760 0 C 3 5 accuracy not included 4 0 to 1400 0 F 3 9 F 5 Clamp size Diode Test Continuity Check Low Battery Indication Overrange Indication Measurement Rate Input Impedance Display AC Current AC Voltage bandwidth Operating Temperature Storage Temperature Operating Humidity Storage Humidity Operating Altitude Battery Auto OFF Dimensions Weight Safety Approvals Opening 1 5 40mm approx Test current of 0 3mA typical Open circuit voltage
4. USER S MANUAL Clamp on Multimeter True RMS AC DC DCL 680 CIRCUIT TEST ELECTRONICS www circuittest com Safety International Safety Symbols This symbol adjacent to another symbol or terminal indicates the user must refer to the manual for further information AN This symbol adjacent to a terminal indicates that under normal use hazardous voltages may be present E 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 function switch OFF when the meter is not in use WARNINGS Set function switch to the appropriate position before measuring When measuring volts do not switch to current resistance modes When changing ranges using the selector switch always disconnect the test leads from the circuit under test Do not exceed the maximum rated input limits 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 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 voltages are greater than 25VAC rms or 35VDC These voltages are considered a shock hazard Remove the battery if the meter
5. d button again to return to normal operation 10 RANGE Button When the meter is first turned on it automatically goes into AutoRanging This automatically selects the best range for the measurements being made and is generally the best mode for most measurements For measurement situations requiring that a range be manually selected perform the following 1 Press the RANGE button The Auto Range display indicator will turn off 2 Press the RANGE button to step through the available ranges until you select the range you want 3 Press and hold the RANGE button for 2 seconds to exit the Manual Ranging mode Backlight Button The backlight function illuminates the display and is used when the ambient light to too low to permit viewing of the displayed readings Press the button for two seconds to turn the backlight on The backlight will automatically turn off after approximately 5 seconds Battery Replacement 1 Remove the two rear Phillips head screw 2 Open the battery compartment 3 Replace the 9V battery observing the correct polarity 4 Re assemble the meter 11 Limited Warranty Circuit Test Electronics warrants to the original purchaser that this product be free of defect in material or workmanship for a period of 2 years from the date of purchase Any product which has been subjected to misuse or accidental damage is excluded from the warranty Except as stated above Circuit Test Electronics make
6. e proper decimal point and value WARNING To avoid electric shock be sure the thermocouple has been removed before changing to another measurement function Non Contact AC Voltage Measurements WARNING Risk of Electrocution Before use always test the Voltage Detector on a known live circuit to verify proper operation 1 Touch the probe tip to the hot conductor or insert into the hot side of the electrical outlet 2 If AC voltage is present the detector light will illuminate NOTE The conductors in electrical cord sets are often twisted For best results rub the probe tip along a length of the cord to assure placing the tip in close proximity to the live conductor NOTE The detector is designed with high sensitivity Static electricity or other sources of energy may randomly trip the sensor This is normal operation MODE Button To select DC ACV OHM Diode Continuity CAP C F MAX amp MIN Recording Button Press MAX MIN to enter MIN MAX recording mode manual range only Select the proper range before selecting this mode to ensure that the MIN MAX reading will not exceed the testing range Press once to select MAX Press againto select MIN andpress and hold MAX MIN button to exitthis mode REL Button For DCA Zero amp Offset adjustment Data Hold Button To freeze the LCD meter reading press the data hold button While data hold is active the HOLD display icon appears on the LCD Press the data hol
7. he batteries and unplug the line cords 1 Set the rotary function switch to the position 2 Insert the black test lead banana plug into the negative COM jack Insert the red test lead banana plug into the positive V jack Press MODE until nF appears in the display Touch the test leads to the capacitor to be tested Read the capacitance value in the display Freguency Duty Cycle Measurements Set the rotary function switch to Hz position Select ACV with the MODE button Press the Hz button to indicate Hz in the display Insert the black lead banana plug into the negative COM jack Insert the red test lead banana plug into the positive Hz jack Touch the test probe tips to the circuit under test Read the freguency on the display Press the Hz button again to indicate on the display Read the of duty cycle on the display SP oONDO REM Temperature Measurements WARNING To avoid electric shock disconnect both test probes from any source of voltage before making a temperature measurement 1 Set the function switch to C F 2 Insert the Temperature Probe into the negative COM and the V jacks making sure to observe the correct polarity 3 Touch the Temperature Probe head to the part whose temperature you wish to measure Keep the probe touching the part under test until the reading stabilizes about 30 seconds 4 Read the temperature in the display The digital reading will indicate th
8. is to be stored for long periods Always discharge capacitors and remove power from the device under test before performing Diode Resistance or Continuity tests Voltage checks on electrical outlets can be difficult and misleading be cause of the uncertainty of connection to the recessed electrical contacts Other means should be used to ensure that the terminals are not live Ifthe equipment is used in a manner not specified by the manufacturer the protection provided by the equipment may be impaired Input Limits Function Maximum Input A AC DC 1000A V DC VAC 600V DC AC Frequency Resistance Diode Continuity Capacitance Test UV DCAC Temperature C F 250V DC AC Meter Description 1 Current clamp 2 Non contact AC voltage indicator light 3 Clamp trigger 4 Data Hold and Backlight button 5 Function switch iz 6 Hz button 3 7 RANGE button 6 8 Relative button O 7 9 MIN MAX button o s 10 MODE button D 11 LCD display ial 12 COM input jack 0 13 Positive input jack AC Alternating current AUTO NAX MN HOLD REL gt t oo OF AUTO Autoranging nan REL Relative mL gt Diode test M I ANAYA gt a Continuity test HOLD Data Hold MAX Maximum reading MIN Minimum reading C F Celsius Fahrenheit temperature p m n M k Units of measure micro milli nano mega kilo A Amperes current
9. s no promises or warranties either expressed or implied including war ranties of merchantability or the fitness for any particular purpose M DCL 680 07R13 2
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