DT-9812 v111129 通用英文.cdr
Contents
1. LCD Description 14 MAX PEAK H INRUSH seo iz lt DOCE D MP P OR A lis a NNSA D a S 13 11 Low Battery Symbol When this symbol appears it means the battery voltage drops below the minimum required voltage Refer to Section V for battery replacement 4b Wy Wy True RMS AC Clamp Leakage Current Tester User s Manual 12 Data Hold Symbol Once the hold button is pressed this symbol appears on LCD 13 Bargraph Bargraph has forty segments It displays segments proportional to the actual reading Each segment represent one count 14 Max Min Hold symbol Once the Max Min button is pressed either MAX or MIN shall be displayed on LCD 15 Continuity Symbol If ohm and continuity function is selected this symbol shall appears on LC 16 Units symbols Once a function is selected corresponding unit V O A or Hz shall be displayed on LCD True RMS Clamp Leakage Current Tester User s Manual 3 Operation Instructions A AC Leakage Current Measurements WARNING Make sure that all the test leads are disconnected from the meter s terminals for current measurement 1 Leakage current Flowing into Ground conductor True RMS AC Clamp Leakage Current Tester User s Manual Set the rotary switch at desired range Press the trigger to open the jaw and fully encloes the wire goes to2. esRMS AC Clamp l eakagelGurrent Tester Users Manual Please read this manual before switching the unit on Important safety information inside Ab 4h Wy Wy True RMS Clamp Leakage Current Tester User s Manual 4b Wy Wy True RMS AC Clamp Leakage Current Tester User s Manual Contents Page ca avea i ei E cintat i i ana ial 4 2 Panel DESCIIPTION sssessssssescsvsscncuserencussvencuerscncusrseceusrsencusrenses 5 3 Operation oa a e la ne 8 A AC Leakage current 8 1 Leakage current Flowing into Ground Conductor 8 2 0ut of Balance Leakage 9 3 Using the 50 60 and Wide 10 B AC Load Current 10 C AC DCVoltage 11 D Resistance and continuity Measurement 12 E PEAK Value Measurements cccceccccecccesececeeeeeeesesseesseeeees 13 F Holding the LCD Reading amp Backlit on off 13 G Finding the MAX MIN Value eee 13 FIU POW l IN T il i 13 4 Specificatio
3. User s Manual Resistance and continuity open voltage 0 4V Range OL Protection 0 4 4000 1 5 4dgts 38 00 AC DC 600V Conductor size 68mm max approx Battery Type One 9V NEDA 1604 Display MAX 6000 counts LCD with 32seg Bargraph Range Selection Overload indication Power Consumption Low battery indication sampling Time 2 times sec display 20 times sec bargraph Operating Temperature 10 to 50 C Operating Humidity less than 85 relative Storage Temperature 20 C to 60 C Storage Humidity less than 75 relative Accessories Test leads x 1 9V NEDA 1604 x1 Users manual x 1 Gift box with carrying case x 1 4h ab Wy Wy True RMS AC Clamp Leakage Current Tester User s Manual 5 Battery Replacement When the low battery symbol is displayed on the LCD replace the old batteries with two new batteries e Turn the power off and remove the test leads from the clamp meter Remove the screw of the battery compartment e Slide off the battery compartment e Remove the old batteries Insert 9V NEDA 1604 or G6F22 batteries e Replace the battery compartment and secure the screw Ab 4h Wy Wy True RMS Clamp Leakage Current Tester User s Manual Rev 111129 N
4. gh frequency signal set the switch at 50 60 and wide position to see the difference If the reading is very different it is certain that the high frequency signals or harmonics present B AC Load Current Measurement LOAD CURRENT LEAKAGE CURRENT True RMS Clamp Leakage Current Tester User s Manual e Set the rotary switch at desired range Press the trigger to open the jaw and fully enclose only one wire No air gap is allowed between the two half jaws Read the measured value from the LCD display C AC DC Voltage Measurements mjam E gt WARNING Maximum input for DC V is 600 and for AC V is 600 Do not attempt to take any voltage measurement that exceeds the limits Exceeding the limits could cause electrical shock and damage to the clamp meter Ab 4h Wy Wy True RMS AC Clamp Leakage Current Tester User s Manual Set the rotary switch at 400V e Insert the test leads into the input jack Connect the test prods of the test leads in PARALLEL to the circuit to be measured e prees Mode button to selet ACV or DCV function Read the measured value from the LCD display WARNING Before taking any in circuit resistance measurement remove power from the circuit being tested and discharge all the capacitors D Resistance and Continuity Measurement Set the rotary switch at e Insert the test leads into the input jack e Connect the test prods of the test lead
5. nable the maximum or minimum value to be displayed and updated during measurement NROS VE A AC Press once minimum value shall be S displayed and updated press again A maximum value shall be displayed and B updated Press amp hold the button again the third push clamp meter return to normal measurement mode 9 Peak hold Button This button is used to enable the Peak value to be displayed and updated during measurement Press again clamp meter return to normal measurement mode 6 Data Hold amp Backlit Button once this button is pushed reading shall be held on the LCD Press again to release it Press amp hold the button 2 Sec release backlight is on again press amp hold the button 2 Sec release backlight is off E Ab 4h Wy Wy True RMS AC Clamp Leakage Current Tester User s Manual 7 Mode Button Use ACA leakage current detection by measuring current 50 60Hz and 40 1000kHz response of choice e Press the button to Select ACV or DCV measuring function 8 LCD This is a 3 3 4 digit liquid crystal display with maximum indication off 6000 Function symbols units bargraph sign decimal points low battery symbols Peak amp Max Min symbols symbol are included 9 V Oinput Terminal This terminal is used as input for voltage or ohm continuity measurements 10 COM Terminal This terminal is used as common reference input
6. ns eeeseeeeeeeee nnne nnne 13 S Bauery Replacement acoso cease c i D EU 15 4b Wy Wy True RMS Clamp Leakage Current Tester User s Manual 1 Features e Accurate AC digital clamp meter for leakage current measurement e 100UA high resolution on 200mA range Shield transformer jaws to minimizs the effect of external stray magnetic field Large jaw with 68 mm diameter e Five Ranges 200mA 2 20A 200A 10004 for all application A filter circuit is designed to eliminate the effect of high frequency noise and harmonics by setting the frequency selector switch at the 50 60 Hz position for AC current measurement e Large 3 1 2 digits LCD e Fast bargraph display 20 times sec for transient observation e Continuity measurements e Max Min and Data Hold functions e Peak Value Measurement e 600V overload protection for DC ACV ohm range measurement Easy single rotary switch for any function selection dh wy di wy True RMS Clamp Leakage Current Tester User s Manual 2 Panel Description 1 Transformer Jaw This is used to pick up current signal To measure AC current conductor must be enclosed by the 68 mm diameter jaw 2 Transformer Trigger This is used to open the jaw 1 3 Function Selector Switch This is used to select the function user desired such as AC DCV ACA ohm and continuity 4 Max Min Hold Button This button is used to e
7. s to the two ends of the resistor or circuit be measured Read the measured value from the LCD display e fthe resistance is lower than 400 a beeping sound shall be heard i 4b Wy Wy True RMS AC Clamp Leakage Current Tester User s Manual E Peak Value Hold The Peak Hold function captures the peak AC or DC voltage or AC current The meter can capture negative or positive peaks as fast as 10 millisecond in duration FHolding the LCD Reading Press the HOLD button then the reading shall be hold and kept on LCD G Finding the MAX MIN Value Press the MAX MIN button to enable the maximum and minimum values to be recorded and updated during measurement Push the button once the maximum value shall be displayed and updated Push again second push the minimum value shall be displayed Push again third push MAX MIN function shall be disabled and return to the normal measurement mode H Auto Power Off The meter will turn itself off 30 minutes after power on To turn it on again 4 Specifications AC current Doo o o 2 0 6dgts 4 0 6dgts 2 0 6dgis 4 0 6dats 200A 100mA 2 096 6dgts 3 096 6dgts 100041 100mA 3 096 6dgts 7 0 6dgts AC DC Voltage input impedance 10MQ O O Overload 50 60Hz 40 1KHz protection 600V a 2 0 4dgts AC DC 600V Wy True RMS Clamp Leakage Current Tester
8. the ground Make sure the two half jaws are properly closed Read the measured value from the LCD display 2 Out of Balance Leakage current E E Ab 4h Wy Wy True RMS Clamp Leakage Current Tester User s Manual e Set the rotary switch at desired range e Press the trigger to open the jaw and fully enclose all two wires single phase two wires three wires three phases three wires or four wires three phases four wires Make sure the two half jaws are properly closed Read the measured value from the LCD display 3 Using the 50 60Hz and wide Hz Selector 50 60 Hz Selector This clamp meter has very good frequency response due to the electric property of the transformer jaws used Therefore the measurement result contains not only the fundamental frequency of 50 60Hz but also the high frequencies and harmonics superimposed on the fundamental frequency To eliminate the effect of high frequency noise a low pass filter is designed to filter out high frequency signal To enable the filter set the switch at the 50 60 position The filter s cut off frequency is set at 100Hz with an attenuation characteristic of approx 24dB octave Wide Hz Selector If the circuit under test is originated from a high frequency generating device such as inverter switching regulators etc then the switch should be set at wide position to measure the signal which contains the frequency from 40Hz 1KkHz To make sure the presence of hi
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