3 PHASE DIGITAL POWER CLAMP METER
Contents
1. Active Energy Time Measurement Button 4 Power Summation Button 5 MU Voltage Frequency Measurement Button A 6 Current Measurement Button RS232 7 Data Transmit Button 8 S Clear Memory Button 9 Y Backlight Button LEA 10 Maximum Value Button Previous Record Button 11 Minimum Value Button Next Record Button SAVE 12 Data Save Button Nu Active Power Power Factor Measurement Button Press button to measure Active Power and Power Factor in measurement mode Then the LCD shows Active Power reading in the primary display and Power Factor reading in the secondary display CR Apparent power Reactive Power measurement button C Press button to measure Apparent Power and Reactive Power in measurement mode Then the LCD shows Apparent Power reading in the primary display and Reactive Power reading in the secondary display T Active Energy Time Measurement Button f kWh Press E button to measure Active Energy in measurement mode Then the LCD shows Active Energy reading in the primary display and measurement time of the Active Energy in the secondary display L gt Power Summation Button Press z button to sum up the measured value of current one phase in three phase measurement mode then measure the second phase and press the gt button to sum up again press the l button for the third phase after you getting the measu2. CO button backlight of LCD display is on After lighting for 4 seconds the backlight is self off Sketch Of Safety Holding Use the wrist webbing to prevent a accidentally drop as shown in Figure 19 A WARNING B RESERGO s Figure 19 26 Curve Diagram Of Power PF KW KVA 2000W 2000W E PEAK VALUE DF POWER P IA E PEAK VALUE Z Li Ca 500W GS 270 QZ 295 0 PEAK VALUE i 455 NS Figure 21 Figure 22 27 Low Voltage Indication The symbol is shown on the top right of the LCD display when the batteries is weak you need replace new batteries or use the EX 8 function of the meter now Turn the selector to EX P the meter use the measured voltage signal as power supply to work But the meter only measure single phase circuit and can not work in three phase circuit in this power source mode Replacing Batteries WARNING To avoid electrical shock the instrument must be power off and disconnect the lest leads or any input signals before replacing the batteries Never use the instrument unless the back cover of the instrument is fastened completely Replace only with same type or rating batteries Coin Figure 23 Open The Battery Cover 28 When the LCD displays the symbol the batteries must be replaced to maintain proper operation Use the following procedure
3. in these warnings must be followed You must be careful when working with voltages above 30V AC Keep fingers behind the probe barriers while measuring Never use the meter to measure voltages that might exceed the maximum allowable input value of any function measurement mode Always inspect your meter and test leads before every use If any abnormal conditions exist broken test leads cracked cases LCD not reading etc do not attempt to take any measurement Using the meter with the equipped test leads is only conform to safety requirements If you need instead broken test leads you must replaced with the same as type and electric specification Never touch a voltage source when the test leads are plugged into a current jack Do not expose the instrument to direct sunlight extreme temperature or moisture READ THE INSTRUCTIONS BEFORE USING THE INSTRUMENT Safety Information Three phase digital power clamp meter has been designed according to IEC1010 1 and IEC1010 2 032 concerning safety requirements for electrical measuring instruments and handheld clamps with pollution degree 2 overvoltage category 600V CATIII m4 Safety Symbols A Important safety information refer to the operating manual A Dangerous voltage may be present Earth ground 5 Double insulation Protection class II Battery General Description Three phase digital power clamp meter is a handheld aptitude meter w
4. the second phase measurement hook the clamp jaw around the second phase conductor of the tested circuit press Calli button and aA button to measure power parameter respectively when measured result is shown every time you must press Q button to sum in turn The operation is same as the first phase measurement Figure 13 Turn the selector to 3 to the third phase measurement hook the clamp iaw around the third phase conductor of the tested circuit press SPE button and button to measure power parameter respectively when measured result is shown every time you must press button to sum in turn The operation is same as the first phase measurement Figure 14 91 Tested conductor 92 93 Earth wire 0BU Black Red Green Yellow Ls y Figure 13 The Second Power Measurements 21 3 LN g2 Tested conductor y 4 93 Earth Black Red Green Yellow Figure 14 The Third Phase Power Measurements After above every phase measurement turn the selector to XW then the display shows total Active Power value and Power Factor value of the three phase load Figure 15 After display for three seconds the display switches to show total Apparent Power value and total Reactive Power value automatically Figure 16 The total Apparent Power value is in the primary display and the total Reactive Power value is in the secondary display The display switches automatically every
5. three seconds until you turn the meter to other function 22 91 92 a Tested conductor 3 Earth wire p A 1 2 3 IW 8353 Black Red Green Yellow Wy Figure15 Total Active Power Of Three Phase 91 92 ALN AS Tested conductor 93 gt 8 Earth wire E 9192 03 AC 138593 l IBS kVAr MEM DEMOS Black Red Green Yellow Ko s Figure16 Total Apparent Power Of Three Phase 23 Measuring Three Phase Three Wire Circuit In three phase three wire circuit the operation of the selector and function button is same as the operation in three phase four wire circuit except the connection of test leads Figure 17 HE a gt e2 K Tested conductor 93 9 E B iige 0196 cp m iov D Red Green Yellow Wr Figure 17 Power Measurements Of Three Phase Three Wire Saving Measurement In measurement mode you can press SAT button to save the present display to a memory location The meter can store 28 groups of measurement date When the meter has saved 28 groups of date you press Co button to save again the display shows FUL symbol CLEARS prompt full memory in the meter now You must press button to clear the memory and continue saving new date Recalling Memory If something is saved in the meter memory use following procedure to display of a memory location 1 Turn t
6. to replace the batteries 1 Disconnect test leads from any signals turn the rotary function switch to OFF and remove the test leads from the input terminals 2 Open the battery cover and remove the battery cover Because there is a locked design in the battery cover Don t force the battery cover open otherwise the cover is broken Refer to Figure 23 for opening it Insert a coin into the groove of the battery cover press the coin down then open the cover 3 Remove batteries and replace with new batteries which is the same type or rating 4 Reinstall the battery cover SPECIFICATIONS AC VOLTAGE RMS RANGE ACCURACY RESOLUTION INPUT IMPEDANCE 100V 1 2 5 0 1V 10 MQ 300V 1 2 5 0 1V 10Pf SHUNT 600V 1 2 5 0 1V Max Overload Voltage 750V RMS 29 AC CURRENT RMS RANGE ACCURACY RESOLUTION 40A 2964 5 0 1A 100A 29645 0 1A 400A 29645 0 1A 1000A 29645 0 1A Max Overload Current 1500A ACTIVE POWER W RANGE ACCURACY RESOLUTION 4kW 3 5 0 01kW 10kW 89645 0 01kW 40kW 3 5 0 01kW 100kW 3 5 0 01kW 600kW 3 5 0 1kW Minimum measurement current 5A Minimum measurement voltage 20V APPARENT POWER VA RANGE ACCURACY RESOLUTION 4kVA 8964 5 0 01kVA 10kVA 8964 5 0 01kVA 40kVA 3 5 0 01kVA 100kVA 8964 5 0 01kVA 600kVA 8964 5 0 1k
7. value of current press button the maximum value is shown in the secondary display Press e button again to cancel maximum value measurement Figure 6 g m To measure the minimum value of current press button the minimum value is shown in the secondary display Press C button again to cancel minimum value measurement For current exceeds 1000A RMS the display will show OL symbol Figure 7 13 6 There are two modes to show the bar graph You can observe the fluctuation range of measured current The first mode is 0 20 40 60 80 100 the second is 0 10 20 30 40 Figure 5 and Figure 6 1 92 Tested conductor gt 63 F V Earth wire 93 1085 LU WM o S Ww Figure 6 Maximum Value Of Current Measurements 1 a 92 Tested conductor 963 7 V Earth wire AC DL A UUUU Figure7 Current Exceeds 1000A 14 Measuring Single Phase Circuit Tested conductor Earth wire Black Green Figure 8 Single phase Power Measurements 1 Hook the clamp jaws around the conductor of the loading or the circuit The clamped conductor is one phase which you want to test in the three phase circuit 2 Turn the selector to one of 1 2 3 and refer to Table 3 to connect test leads into input terminals which is corresponding to the position of the selector Figure 8 3 After right connection you can measure five power parameters of single phase circu
8. 3 PHASE DIGITAL POWER CLAMP METER USERS MANUAL CONTENTS Safety Precautions 1 Safety Information 1 Safety Symbols 2 General Description 2 Feature 2 Meter Layout 4 Using The Selector 5 Using The Buttons 6 Lcd Display 9 Making Measurements 11 Measuring Ac Voltage 11 Measuring Ac Current 13 Measuring Single Phase Circuit 15 Measuring Three Phase Four Wire Circuit 19 Measuring Three Phase Three Wire Circuit 24 Saving Measurement 24 Recalling Memory 24 RS232C Date Interface 25 Input Voltage And Current 26 Backlight Display 26 Sketch Of Safety Holding 26 Curve Diagram Of Power 27 Low Voltage Indication 28 Replacing Batteries 28 Specifications 29 Accessories 32 Safety Precautions Read these operation instructions thoroughly and completely before operating your meter Pay particular attention to WARNING The instructions
9. HOLD button so the measured value display and the display of the measured time are locked but the Active Energy measurement is continuing and timing in the clamp meter After reading the display press HOLD button again to exit date hold 18 and continue to measure Active Energy value still add up Active energy measurement don t stop until select other measurement function c The C button and SD button is invalid in Active Energy measurement mode d The maximum value of Active Energy is 9999kWh If Active Energy value exceeds the maximum value the display will show OL symbol 6 Active energy measurement is viable in single phase circuit because you only measure current of one phase at one time so you can not measure three phase Active Energy If you need measure Active Energy for long during measurement you are suggested that you can use EXOD function the meter will work no using the battery but test voltage signal as power supply NOTE When you turn the selector to EX P to measure voltage or power parameter the input voltage of V1 jack must less than 250V otherwise the fuse will be blown Measuring Three Phase Four Wire Circuit Three phase power parameter means total Active Power total Reactive Power total Apparent Power total Power Factor The clamp meter can not measure three phase Active Energy The measurement method of three phase power parameter is that you measure power parameter of each ph
10. Power supply Power consume Storage temperature Operating temperature 4x 1 5V AA 250mW 20 C 70 C 0 C 40 C Dimension size 300mmx103mmx51mm Weight approx 500g ACCESSORIES Users manual Battery Test Leads Connect test clamp 1 5V AA MS3000 MS3102 RS232C interface cable MS3403 PC Data Record graph software Carry Case 32 include battery HYS004924
11. VA Minimum measurement current 5A Minimum measurement voltage 20V gm 30 re POWER FACTOR PF RANGE ACCURACY RESOLUTION 0 3 1 Capacitive 0 0242 0 001 0 3 1 Inductive 0 0242 0 001 Minimum measurement current 5A Minimum measurement voltage 20V REACTIVE POWER Var Ww RANGE ACCURACY RESOLUTION 4kVAr t 49645 0 01kVAr 10kVAr t 49645 0 01kVAr 40kVAr t 49645 0 01kVAr 100kVAr t 49645 0 01kVAr 600kVAr t 49645 0 1kVAr Minimum input current 5A Minimum input voltage 20V Recording Voltage value current value Active Power value to calculate Reactive Power value The calculating accuracy is 0 01 of the range ACTIVE ENERGY kWh RANGE ACCURACY RESOLUTION 1 9999kWh 3 2 0 001kWh Minimum measurement current 0 5A Minimum measurement voltage 10V 31 FREQUENCY Hz RANGE ACCURACY RESOLUTION 20 1 0 596 0 1 Minimum measurement voltage 20V Accuracy of reading number of digits The specification given assume an operating temperature 18 C 28 C humidity up to 80 the frequency of voltage and current is 45Hz 65Hz Display Maximum common made voltage 600V AC RMS LCD 9999 Range autorange Overrange indication Figure OL on the display Reading Holding Figure py on the display
12. ase conductor respectively at first then calculate three phase power parameter in the meter For a balance load the measured data is accurate if power parameter fluctuates larger then the error of total power parameter increases more 19 1 Refer to Table 3 connect yellow test lead green test lead red test lead to every phase live wire of the three phase circuit and V1 jack V2 jack V3 jack of the meter respectively connect black test lead to zero conductor of the circuit and COM jack of the meter 2 Turn the selector to 1 at first to first phase measurement hook the clamp iaw around the first phase conductor of the tested circuit press en rer button to measure Active Power kW and Power Factor PF the measured value are shown in the LCD then press button to sum power parameter of this phase press kVA kvar button again to measure Apparent Power and Reactive Power after the result is shown in the LCD press button to sum power parameter of this phase So power parameter measurement is completed in the first phase If you need save the S result you can press AVE button to do it Figure 12 Tested conductor 6 91 22 5 gt 5 93 Earth wire 4 3 OBI Black Red Green Yellow Kov MEM Sa Figure 12 The First Phase Power Measurements 20 3265 PF MEM MILAN 0 D a Turn the selector to 2 to
13. display Figure 10 Tested conductor Earth wire 4 03 AC j 5 TTT kva u LJ c c kVAr MEM C VEP Black Reg CFigure 10 Apparent power measurements For input voltage less than 20V and input current less than Apparent Power value is 0 00kVA Press button the maximum value of Apparent Power is shown in the secondary display Press button the minimum value of Apparent Power is shown in the secondary display Reactive Power is not direct measuring parameter of power kVAr kVA kW is a formula to calculate Reactive Power value The value is calculated and shown according to measured voltage current and Active Power in software 17 3 Active Energy kWh and Time hmin a In Active Energy measurement mode voltage signal must be input into V1 and COM terminal of the clamp meter Figure 11 and the selector must be turned to 1 5 the Active Energy measurement function is valid Tested conductor Earth wire 4 93 kWh 1350 hmin cx p IL ee Black Yellow Figure11 Active Energy measurements kWh b Press button starting value of the Active Energy is 0 000KWh and is shown in the primary display at first Active Energy measured time and the bar graph 0 20 40 60 80 100 is shown in the secondary display For the time is longer the measured value of Active Energy is larger If you need read the Active Energy value sometime press the
14. e selector to MR press gt button to recall previous memory location and display the data on the LCD Once pressing this button the clamp meter recalls a memory location previous current location C Minimum Value Measurement Button Next Record Button Press cM button to measure minimum value in measurement mode the display shows current minimum value in the secondary display 19 When you turn the selector to press M button to recall next memory location and display the data on the LCD Once pressing this button the clamp meter recalls a memory location next current location Data Save Button SANE button to save current measured data to the meter in Press measured mode The meter can save 28 groups of measured data into the meter at most Lcd Display N O D 5 ul J T 32e t _ AG kVA zl kWh Kk VAT f E MIN Time imi S MEM da mm mmm mm 30 80 40100 20 10 4 20 90 Figure 2 Dangerous voltage symbol Data holding symbol First phase symbol Second phase symbol Third phase symbol Three phase total power symbol External power supply symbol Battery symbol 10 14 15 16 17 18 19 20 21 22 23 24 25 26 2T 28 29 30 31 32 33 Voltage unit V current unit A Apparent Power unit kVA For primary display Active power unit KW Active Energy un
15. er Power Factor Reactive Power Active Energy Double display two parameters on each menu and store 28 groups of measurement parameter Measure five power parameters of each phase and total power value in three phase measurement mode respectively Multifunctional button control there are double scales analogue bar graph to display fluctuation of voltage and current With PC RS232C interface and special WINDOWS data graphics software Display measurement time and select tested voltage signal be power supply for the clamp at one time in Active Energy measurement mode so the instrument can measure for long The instrument is a portable clamp meter It is very light and convenient to carrying Meter Layout MAX 100A 00V sow S CAT 2 3 7 ig ney wom 6 QO QuO 5 Figure 1 Clamp Jaws 50mm 2 HOLD Button Holds the display reading and symbol is shown in the LCD display press this button again the meter return to normal measurement mode 3 Function Selector Rotary Switch Rotate the selector to any measurement function 4 Function Selector Buttons To select the measurement object 4 Input terminal V1 The input terminal for the first phase using the yellow test lead to connect V2 The input terminal for the second phase using the green test lead to connect V3 The input terminal for the third phase using the red test lead to connect COM Common terminal the ea
16. he selector to MR id 24 rd 2 The display shows MR and HOLD symbol location number and date in current memory location 4 MIN 3 Press button and button to cycle through memory location RS232C Data Interface Connect RS232C interface cable to the clamp meter as shown in Figure 18 then rotate the interface cable deasil to lock it in the meter Connect the other plug of the interface cable to a serial port of a computer Then the meter can transmit measured data to computer by the infrared photoelectricity RS232C interface in real time mode If you want to take out the interface cable from the meter first you must rotate the cable widdershins to unlock it then you can pull out it You will install the special data record software into the computer according to README TEXT file in SETUP disk When the meter is RS232 in measurement mode press button you can record and print the measured data of the meter in real time mode in the WINDOWS The software can record plot print data and curve COMPUTER T 4 Lj Figure 18 RS232C Interface Cable Connection FA 25 Input Voltage And Current When the meter is in power measurement mode if input voltage exceeds 600V TRMS or current exceeds 1000A TRMS the meter will display OL symbol and bar graph is full When input voltage exceeds 30V the 4 symbol is shown in the display for safety Backlight Display When press
17. it Active Power Power Factor Apparent Power Reactive Power Active Energy 1 Active Power kW and Power Factor PF Figure 8 a Press C button the Active Power value is shown in the primary display and the Power Factor value PF symbol are shown in the secondary display When the Power Factor value is negative the loading is capacitive 15 b The maximum measurement range of Active Power is 600kW For exceeding the maximum value the OL symbol will be shown in the display If test voltage exceeds 600V or the test current exceeds 1000A the OL symbol will be shown in the display too And the bar graph is full Figure 9 The minimum input voltage is 20V and the minimum input current is 5A if it less than the minimum input voltage and minimum input current the Active Power value is 0 00kW c Press button the maximum value of Active Power is shown in the secondary display d Press button the minimum value of Active Power is shown in the secondary display e The bar graph 0 20 40 60 80 100 is shown Tested conductor C Earth wire 4 92 s M kW UL PF p L m p Maamaa aiam Green CFigure 9 Current Exceeds 1000 Or Voltage Exceeds 600V 16 2 Apparent Power kVA and Reactive Power kVAr a kVA Press button the Apparent Power value is shown in the primary display Reactive Power value and the bar graph 0 20 40 60 80 100 are shown in the secondary
18. it kWh 4 digit display For primary display 12 13 Frequency unit Voltage unit V current unit A Apparent Power unit kVA Reactive Power unit kVAr For secondary display Time unit hour h minute min Overflow symbol 100 graduate scale 40 graduate scale Bar graph 4 digit display For secondary display Frequency unit Time symbol Negative sign of scale Number of memory location symbol Recall data symbol Save data symbol Minimum value symbol Power factor symbol Maximum value symbol RS232C interface symbol Calibrate symbol Negative symbol AC symbol DC symbol 10 Making Measurements 4 Measuring AC Voltage AC 5 ian 3 FREQ DD Hz Y a AC MEM V1 o is Circuit lt 315 Yellow Figure 3 Voltage Measurements 1 Turn the selector to one of 1 2 3 refer to Table 3 to connect the test leads to input terminals Insert the black test lead into the COM input terminal and one corresponding color test lead into the corresponding input terminal Figure 3 Table 3 Input Terminal Connections SELECTOR INPUT TERMINAL INPUT TERMINAL Phase 1 V1 jack Yellow lead COM jack Black lead First phase o2 V2 jack Green lead COM jack Black lead Second phase o3 V3 jack Red lead COM jack Black lead Third phase 2 Connect test leads to the load press button vol
19. ith power measurement it is incorporated current meter and power measurement instrument The meter is composed of three channels voltage current power and single chip Microcontroller It has powerful measuring and data processing software and complete to measure calculate and display of the 8 parameters Voltage Current Active Power Power Factor Apparent Power Reactive Power Active Energy Frequency It has Stable capability easy operation It is especially suitable for measurement and overhaul of the electric power equipment and the power supply circuit on the spot The structure of the instrument is pincers it is very small very light and portable make measurement easy and fast To the power measurement user the digital power clamp meter which is used completely in three phase system is one of the best instrument Feature For power measurement of 3 phase 3 wire circuit 3 phase 4 wire circuit single phase circuit The instrument can complete the true RMS value measurement If there is nonsinusoidal AC current input signal it can accurately measure the active current 10 Using autorange switch circuit and modulus transducer which has 8000 count and high resolution the instrument has high accuracy and easy operation Minimum current of Active Energy measurement is 0 5A it can measure expending energy per hour of general electrical equipment Measurement and display five parameters of power Active Power Apparent Pow
20. red value of the third phase on the display So the meter will calculate the sum in this three phase system automatically you will rotate the selector to X W at one time then the display shows the total power value V Voltage Measurement Button Press button to measure voltage of the circuit and display the measured value in the LCD display 10 11 D Current Measurement Button Press button to measure current of the circuit and display the measurement value in the LCD display Data Transmit Button Press 5 button to transmit measured data to a computer by special interface cable you can record current measured value and print reports and data trend curve drawing Rs232 Before press the button to transmittal measured data you must connect RS232C interface cable to the clamp meter and a computer the communication function is working CLEAR Clear Memory Button CLEAR button for three seconds to erase all measured data Press in the meter memory in the measurement mode oM Backlight Button P Press C button to turn the backlight on or off When the back light turned on over five seconds it will turn off automatically Z MAX N Maximum Value Measurement Button Previous Record Button Press button to measure maximum value in measurement mode The display shows current maximum value in the secondary display QU NIE When you turn th
21. rth input terminal for all measure ment modes using the black test lead to connect LCD Display 4 digits display 7 segment LCD to display function mode measured value and symbols Trigger Press the lever to open the transformer When the lever is released the jaws will close again RS232C Data Interface Your clamp meter can use a serial interface cable to communicate with a computer Refer to Figure 18 for complete instructions Using the Selector Turn the meter on by rotating the selector to any function as following Table 1 Introducing The Selector ITEM DESCRIPTION OFF POWER OFF Turn the meter off EX P EXTERNAL POWER SUPPLY No use battery select tested voltage signal be power supply for Active Energy measure ment for long at one time RECALL DATA Recall saved data in the meter memory WwW TOTAL POWER For display total power value of three phase Table 1 Introducing The Selector ITEM DESCRIPTION o3 THIRD MEASUREMENT CHANNEL For V3 input terminal measurement o2 SECOND MEASUREMENT CHANNEL For V2 input terminal measurement 1 FIRST MEASUREMENT CHANNEL For V1 input terminal measurement Using the buttons Table 2 Function Button ITEM DESCRIPTION kw PF 1 Active Power Power Factor Measurement Button 2 xa Apparent Power Reactive Power Measurement Button kWh 3
22. tage measured value is displayed in the primary display and current frequency value of voltage is shown in the secondary display 11 4 MAX In voltage measurement mode press lt button the LCD displays MAX symbol then maximum value TRMS is shown in MAX the secondary display Press button again the MAX symbol is disappeared the secondary display return to current frequency value Press Cw button the LCD displays MIN symbol then minimum value TRMS is shown in the secondary display Press button again the MIN symbol is disappeared the secondary display return to current frequency value For input voltage exceeds 600V the display will show OL symbol and the bar graph is full Figure 4 Circuit AcV Figure 4 Voltage Exceeds 600 Yellow For input voltage exceeds 30V the display will show 4 for safety There are two modes to show the bar graph in the LCD You can observe fluctuation range of measured voltage The first mode is 0 20 40 60 80 100 the second is 0 10 20 30 40 12 Measuring AC Current 91 92 Tested conductor 93 Earth wire Figure 5 Current Measurements Turn the selector to one of 1 0 2 03 Press the trigger to hook the clamp jaw around one conductor to be measured Press qM button the primary display reading is current value RMS of the conductor Figure 5 s To measure the maximum
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