Model PHASE DIGITAL POWER CLAMP METER USERS MANUAL
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1 Model 577 PHSE DIGITL POER CLMP METER USERS MNUL
2 CONTENTS Safety Precautions Safety Information Safety Symbols General Description Feature Meter Layout Using The Selector Using The Buttons Lcd Display Making Measurements Measuring c Voltage Measuring c Current Measuring Single-Phase Circuit Measuring Three -Phase Four-ire Circuit Measuring Three -Phase Three-ire Circuit Saving Measurement Recalling Memory RSC Date Interface Input Voltage nd Current Backlight Display Sketch Of Safety Holding Curve Diagram Of Power Low Voltage Indication Replacing Batteries Specifications ccessories
3 Safety Precautions Read these operation instructions thoroughly and completely before operating your meter. Pay particular attention to RNINGS. The instructions in these warnings must be followed. You must be careful when working with voltages above V. 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. lways 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 to conform to safety requirements. If you need to replace broken test leads, you must replace with the same 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. RNING RED THE INSTRUCTIONS BEFORE USING THE INSTRUMENT Safety Information Three-phase digital power clamp meter has been designed according to IEC- and IEC-- concerning safety requirements for electrical measuring instruments and handheld clamps with pollution degree, overvoltage category ( 6V CTⅢ ). -
4 Safety Symbols Important safety information, refer to the operating manual Dangerous voltage may be present. Earth ground Double insulation (Protection classⅡ ) Battery General Description Three-phase digital power clamp meter is a handheld aptitude meter with power measurement; it incorporates 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, ctive Power, Power Factor, pparent Power, Reactive Power, ctive Energy, and 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, making measurements easy and fast. To the power measurement user, the digital power clamp meter which is used completely in three-phase systems is one of the best instruments. Feature. For power measurement of -phase -wire circuit, -phase 4-wire circuit, single-phase circuit.. The instrument can complete the true RMS value measurement. If there is nonsinusoidal current input signal, it can accurately measure the active current. - -
5 . Using autorange switch circuit and modulus transducer which has 8 count and high resolution, the instrument has high accuracy and easy operation. 4. Minimum current of ctive Energy measurement is.5, it can measure expending energy per hour of general electrical equipment. Measurement and display five parameters of power: ctive Power, pparent Power, Power Factor, Reactive Power, ctive Energy. 5. Double display two parameters on each menu and store 8 groups of measurement parameter. 6. Measure five power parameters of each phase and total power value in three-phase measurement mode respectively. 7. Multifunctional button control, there are double scales analogue bar graph to display fluctuation of voltage and current. 8. ith PC RSC interface and special INDOS data graphics software. 9. Display measurement time and select tested voltage signal power supply for the clamp at one time in ctive Energy measurement mode, so the instrument can measure for a long time.. The instrument is a portable clamp meter. It is very light and convenient to carry. - -
6 Meter Layout 6k 6V CT.III DIGITL POER CLMP MS HOLD 8 EX- P 7 Ture RMS UTO RNGE OPTICL INTERFE ~ RS 6V V / Hz RS CLER 6 DC CL RS PF P Hz FREQ Time hmin 4 V V V COM 5 ( Figure ). Clamp Jaws Ф 5mm. HOLD Button Holds the display reading and " symbol is shown in the LCD display, press this button again, the meter returns to normal measurement mode.. Function Selector Rotary Switch Rotate the selector to any measurement function. 4. Function Selector Buttons To select the measurement object. 4
7 5. Input terminal V: The input terminal for the first phase, using the yellow test lead to connect. V: The input terminal for the second phase, using the green test lead to connect. V: The input terminal for the third phase, using the red test lead to connect. COM: Common terminal, the earth input terminal for all measure- 6. LCD Display -ment modes, using the black test lead to connect. 4 digit display, 7 segment LCD to display function mode, measured value and symbols. 7. Trigger Press the lever to open the transformer. hen the lever is released, the jaws will close again. 8. RSC Data Interface Your clamp meter can use a serial interface cable to communicate with a computer. Refer to Figure 8 for complete instructions. Using the Selector Turn the meter on by rotating the selector to any function as following. ( Table. Introducing The Selector) ITEM EX- P DESCRIPTION POER. Turn the meter off EXTERNL POER SUPPLY. Use without battery, select tested voltage signal power supply for ctive Energy measurement for long use at one time. RECLL DT. Recall saved data in the meter memory. TOTL POER. For display total power value of three phase 5
8 ( Table. Introducing The Selector ) ITEM Φ DESCRIPTION THIRD MESUREMENT CHNNEL. For V input terminal measurement Φ SECOND MESUREMENT CHNNEL. For V input terminal measurement Φ FIRST MESUREMENT CHNNEL. For V input terminal measurement Using the buttons ( Table. Function Button) ITEM DESCRIPTION ctive Power, Power Factor Measurement Button. pparent Power, Reactive Power Measurement Button. ctive Energy, Time Measurement Button 4 Power Summation Button V / Hz RS CLER Voltage, Frequency Measurement Button Current Measurement Button Data Transmit Button Clear Memory Button 9 Backlight Button Maximum Value Button/ Previous Record Button Minimum Value Button/ Next Record Button Data Save Button 6
9 . Press ctive Power, Power Factor Measurement Button button to measure ctive Power and Power Factor in measurement mode. Then the LCD shows ctive Power reading in the primary display and Power Factor reading in the secondary display.. Press pparent power, Reactive Power measurement button button to measure pparent Power and Reactive Power in measurement mode. Then the LCD shows pparent Power reading in the primary display and Reactive Power reading in the. secondary display. ctive Energy, Time Measurement Button Press button to measure ctive Energy in measurement mode. Then the LCD shows ctive Energy reading in the primary display and measurement time of the ctive Energy in the secondary display. 4. Power Summation Button Press button to sum up the measured value of current one phase in three phase measurement mode; then measure the second phase and press the button to sum up again; press the button for the third phase after you get the measured value of the third phase on the display. Then the meter will calculate the sum in this three phase system automatically, you will rotate the selector to at one time, then the display shows the total power value. V / Hz 5. Voltage Measurement Button Press V / Hz button to measure voltage of the circuit and display the measured value in the LCD display. 7
10 6. Press Current Measurement Button button to measure current of the circuit and display the measurement value in the LCD display. 7. RS Data Transmit Button Press RS 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. Before pressing the RS button to transmit measured data, you must connect RSC interface cable to the clamp meter and a 8. computer, the communication function is now working. CLER Clear Memory Button Press CLER button for three seconds to erase all measured data in the meter memory in the measurement mode. 9. Backlight Button Press button to turn the backlight on or off. hen the back- -light is turned on over five seconds, it will turn off automatically.. Button Maximum Value Measurement Button / Previous Record Press button to measure maximum value in measurement mode. The display shows current maximum value in the secondary display. hen you turn the selector to, press 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. Minimum Value Measurement Button / Next Record Button Press button to measure minimum value in measurement mode, the display shows current minimum value in the secondary display. 8
11 hen you turn the selector to, press 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 Press button to save current measured data to the meter in measured mode. The meter can save 8 groups of measured data into the meter at most. Lcd Display ( Figure ). Dangerous voltage symbol. Data holding symbol. First phase symbol 4. Second phase symbol 5. Third phase symbol 6. Three phase total power symbol 7. External power supply symbol 8. Battery symbol - 9 -
12 9. Voltage unit (V), current unit (), pparent Power unit () ( For primary display ). ctive power unit (k) ctive Energy unit (). 4 digit display ( For primary display ). Frequency unit. Voltage unit (V), current unit (), pparent Power unit (), Reactive Power unit () ( For secondary display ) 4. Time unit : hour(h) minute(min) 5. Overflow symbol 6. graduate scale 7. 4 graduate scale 8. Bar graph 9. 4 digit display ( For secondary display ). Frequency unit. Time symbol. Negative sign of scale. Number of memory location symbol 4. Recall data symbol 5. Save data symbol 6. Minimum value symbol 7. Power factor symbol 8. Maximum value symbol 9. RSC interface symbol. Calibrate symbol. Negative symbol. symbol. DC symbol - -
13 Ture RMS UTO RNGE P HOLD 4 Making Measurements Measuring Voltage FREQ V Hz 6k 6V CT.III Circuit V EX- V V V / Hz RS CLER FREQ Hz FREQ V Hz 4 V V V COM Black Yellow ( Figure. Voltage Measurements). Turn the selector to one of Φ,Φ,Φ, refer to Table 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 ) (Table Input Terminal Connections) SELECTOR INPUT TERL(+) INPUT TERL(-) Phase Φ V jack Yellow lead COM jack Black lead First phase Φ V jack Green lead COM jack Black lead Second phase Φ V jack Red lead COM jack Black lead Third phase. Connect test leads to the load, press V / Hz button, voltage measured value is displayed in the primary display and current frequency value of voltage is shown in the secondary display. - -
14 6k Ture RMS UTO RNGE V / Hz FREQ P HOLD CLER 4 6V CT.III. In voltage measurement mode, press button, the LCD displays symbol, then maximum value(trms) is shown in the secondary display. Press button again, the symbol disappears, the secondary display returns to current frequency value. 4. Press button, the LCD displays symbol, then minimum value(trms) is shown in the secondary display. Press button again, the symbol is disappeared, the secondary display return to current frequency value. 5. If input voltage exceeds 6V, the display will show OL symbol and the bar graph is full.( Figure 4 ) Circuit V EX- V V RS FREQ Hz V Hz V V V COM Black Yellow ( Figure 4. Voltage Exceeds 6V ) 6. If input voltage exceeds V, the display will show for safety. 7. There are two modes to show the bar graph in the LCD. You can observe fluctuation range of measured voltage. The first mode is , the second is Measuring Current
15 Ture RMS UTO RNGE RS P HOLD 4 Test ed conduct or 6k 6V CT.III Earth wire EX- RS V / Hz RS CLER 4 V V V COM ( Figure 5. Current Measurements). Turn the selector to one of Φ,Φ,Φ.. Press the trigger to hook the clamp jaw around one conductor to be measured. Press button, the primary display reading is current value (RMS) of the conductor. ( Figure 5). To measure the maximum value of current, press button, the maximum value is shown in the secondary display. Press button again to cancel maximum value measurement. ( Figure 6) 4. To measure the minimum value of current, press button, the minimum value is shown in the secondary display. Press button again to cancel minimum value measurement. 5. For current exceeds (RMS), the display will show OL symbol. ( Figure 7) -
16 Ture RMS UTO RNGE Ture RMS UTO RNGE RS P P HOLD HOLD There are two modes to show the bar graph. You can observe the fluctuation range of measured current. The first mode is , the second is ( Figure 5 and Figure 6 ) Tested conductor 6k 6V CT.III Earth wire EX- V / Hz RS CLER V V V COM ( Figure 6. Maximum Value Of Current Measurements ) 6k 6V CT.III Tested conductor Earth wire EX- V / Hz RS CLER V V V COM ( Figure 7. Current Exceeds ) - 4 -
17 Ture RMS UTO RNGE HOLD Measuring Single-Phase Circuit Tested conductor 6k 6V CT.III Earth wire EX- P k V / Hz RS CLER k PF PF V V V COM Black Green (Figure 8. Single-phase Power Measurements). 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.. Turn the selector to one of Φ,Φ,Φ, and refer to Table to connect test leads into input terminals which is corresponding to the position of the selector. ( Figure 8). fter right connection, you can measure five power parameters of single-phase circuit (ctive Power, Power Factor, pparent Power, Reactive Power, ctive Energy): (. ) ctive Power(k) and Power Factor (PF) (Figure 8 ) a. Press button, the ctive Power value is shown in the primary display and the Power Factor value, PF symbol are shown in the secondary display. hen the Power Factor value is negative, the loading is capacitive
18 Ture RMS UTO RNGE HOLD b. The maximum measurement range of ctive Power is 6k. For exceeding the maximum value, the OL symbol will be shown in the display. If test voltage exceeds 6V or the test current exceeds, the OL symbol will be shown in the display too. nd the bar graph is full.(figure 9) The minimum input voltage is V and the minimum input current is 5, if it less than the minimum input voltage and minimum input current, the ctive Power value is.k. c. Press button, the maximum value of ctive Power is shown in the secondary display. d. Press button, the minimum value of ctive Power is shown in the secondary display. e. The bar graph is shown. Tested conductor 6k 6V CT.III Earth wire EX- P k V / Hz RS CLER k PF PF V V V COM Black Green (Figure 9.Current Exceeds Or Voltage Exceeds 6V) - 6 -
19 6k Ture RMS UTO RNGE V / Hz P 4 6 HOLD CLER 8 6V CT.III (. ) pparent Power ()and Reactive Power ( ) a. Press button, the pparent Power value is shown in the primary display, Reactive Power value and the bar graph are shown in the secondary display.(figure ) Tested conductor Earth wire EX- RS V V V COM Black Red (Figure.pparent power measurements) b. For input voltage less than V and input current less than 5, pparent Power value is.. c. Press button, the maximum value of pparent Power is shown in the secondary display. d. Press button, the minimum value of pparent Power is shown in the secondary display. e. Reactive Power is not direct measuring parameter of power, = -k is a formula to calculate Reactive Power value. The value is calculated and shown according to measured voltage, current and ctive Power in software
20 6k Ture RMS UTO RNGE V / Hz HOLD CLER 6V CT.III (.) ctive Energy () and Time(hmin) a. In ctive Energy measurement mode, voltage signal must be input into V and COM terminal of the clamp meter (Figure ), and the selector must be turned to Φ.So the ctive Energy measurement function is valid, Tested conductor Earth wire EX- P RS hmin hmin V V V COM Black Yellow b. Press ( Figure. ctive Energy measurements) button, starting value of the ctive Energy is. and is shown in the primary display at first, ctive Energy measured time and the bar graph is shown in the secondary display. fter time time passe, the measured value of ctive Energy will be larger. If you need to read the ctive Energy value, press the HOLD button, so the measured value display and the display of the measured time are locked, but the ctive Energy measurement continues along with timing in the clamp meter. fter reading the display, press the HOLD button again to exit date hold - 8 -
21 and continue to measure, ctive Energy value still adds up. ctive energy measurement doesn t stop until another measurement function is selected. c. The button and button is invalid in ctive Energy measurement mode. d. The maximum value of ctive Energy is If ctive Energy value exceeds the maximum value, the display will show OL symbol. e. ctive energy measurement is viable in a single-phase circuit because you only measure current of one phase at one time, so you cannot measure three-phase ctive Energy. If you need to measure ctive Energy for a long time during measurement, you should use the EX- P function, so the meter will work without using the battery but will use test voltage signal as power supply. NOTE: hen you turn the selector to EX- P to measure voltage or power parameter, the input voltage of V jack must less than 5V, otherwise the fuse will blow. Measuring Three Phase Four-ire Circuit Three-phase power parameter means total ctive Power, total Reactive Power, total pparent Power, total Power Factor. The clamp meter cannot measure three-phase ctive Energy. The measurement method of three-phase power parameter is that you measure power parameter of each phase 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
22 6k Ture RMS UTO RNGE V / Hz PF P HOLD CLER 6V CT.III. Refer to Table, connect yellow test lead, green test lead, red test lead to every phase live wire of the three-phase circuit and V jack, V jack, V jack of the meter respectively, connect black test lead to zero conductor of the circuit and COM jack of the meter.. Turn the selector to Φ at first ( to first phase measurement ), hook the clamp jaw around the first phase conductor of the tested circuit, press button to measure ctive Power (k) and Power Factor (PF). The measured value is shown in the LCD then press button to sum power parameter of this phase; press button again to measure pparent Power and Reactive Power, after the result is shown in the LCD, press button to sum power parameter of this phase. The power parameter measurement is completed in the first phase. If you need save the result, you can press button to do it. ( Figure ) Tested conductor PF k EX- Earth wire RS k V V V COM Black Red Green Yellow ( Figure.The First Phase Power Measurements ) - -
23 6k Ture RMS UTO RNGE V / Hz PF P HOLD CLER 6V CT.III. Turn the selector to Φ (to the second phase measurement), hook the clamp jaw around the second phase conductor of the tested circuit, press 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 ) 4. Turn the selector to Φ ( to the third phase measurement),hook the clamp jaw around the third phase conductor of the tested circuit, press button and button to measure power parameter respectively, when measured result is shown every time, you must press button to obtain the sum. The operation is the same as the first phase measurement. ( Figure 4) Tested conductor EX- Earth wire k PF RS k V V V COM Black Red Green Yellow ( Figure.The Second Power Measurements ) - -
24 6k Ture RMS UTO RNGE PF HOLD 6V CT.III Tested conductor Earth EX- P k PF V / Hz RS CLER k V V V COM Black Red Green Yellow ( Figure 4. The Third Phase Power Measurements ) 5. fter doing each phase measurement, turn the selector to, the display then shows total ctive Power value and Power Factor value of the three-phase load (Figure 5). fter displaying for three seconds, the display switches to show total pparent Power value and total Reactive Power value automatically(figure 6). The total pparent Power value is in the primary display and the total Reactive Power value is in the secondary display. The display switches automatically every three seconds until you turn the meter to another function. - -
25 6k 6k Ture RMS UTO RNGE V / Hz PF Ture RMS UTO RNGE V / Hz PF P 4 HOLD RS 6 8 CLER HOLD CLER 6V CT.III 6V CT.III Tested conductor Earth wire EX- k RS k PF V V V COM Black Red Green Yellow ( Figure5. Total ctive Power Of Three-Phase ) Tested conductor Earth wire EX- P V V V COM Black Red Green Yellow ( Figure6. Total pparent Power Of Three-Phase ) - -
26 6k Ture RMS UTO RNGE V / Hz PF P RS HOLD CLER 6V CT.III Measuring Three-Phase Three-ire Circuit In three-phase three-wire circuit, the operation of the selector and function button is the same as the operation in three-phase four-wire circuit except the connection of test leads.(figure 7) Tested conductor PF k EX k V V V COM Red Green Yellow ( Figure 7.Power Measurements Of Three-Phase Three-ire) Saving Measurement In measurement mode, you can press button to save the present display to a memory location. The meter can store 8 groups of measurement date. hen the meter has saved 8 groups of date, you press button to save again, the display shows FUL symbol to prompt full memory in the meter now. You must press button to clear the memory and continue saving new date. CLER Recalling Memory If something is saved in the meter memory, use the following procedure to display of a memory location:. Turn the selector to
27 OPTICL INTERFE RS-C. The display shows and HOLD symbol, location number and date in current memory location.. Press button and button to cycle through memory location. RSC Data Interface Connect RSC interface cable to the clamp meter as shown in Figure 8, and 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 RSC 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 it out. You will install the special data record software into the computer according to REDME.TEXT file in SETUP disk. hen the meter is in measurement mode, press RS button, you can record and print the measured data of the meter in real time mode in the INDOS. The software can record, plot, print data and curve. OPTICL INTERFE RS ~ 6V COMPUTER ( Figure 8. RSC Interface Cable Connection ) - 5 -
28 Input Voltage nd Current hen the meter is in power measurement mode, if input voltage exceeds 6V(TRMS)or current exceeds (TRMS), the meter will display OL symbol, and bar graph is full. hen input voltage exceeds V, the symbol is shown in the display for safety. Backlight Display hen pressing button, backlight of LCD display is on. fter lighting for 4 seconds the backlight is self-off. Sketch Of Safety Holding Use the wrist-webbing to prevent an accidental drop as shown in Figure 9. OPEN RNING PLESE RED MNUL FOR SFETY.TO VOID ELECTRICL SHOCK NEVER CONNECT THE TEST LEDS TO THE INPUT JKS HICH RE NOT FORRELTED MESURING ND REMOVE LL INPUTS BEFORE OPENING CSE. BTTERIES : 4 X.5 V SIZE IEC- IEC-- 6V CT.III POLLUTION DEGREE ( Figure 9 ) - 6 -
29 V I Curve Diagram Of Power ( PF=K / KV ) +E +I +P PEK VLUE OF POER E=4V PEK VLUE -E -I -P TIVE POER POER 9 8 X 6 I=4 PEK VLUE ( Figure. PF=) +V +I +P P 5 X TIVE POER K= I R -E -I -P θ θ 45 8 PEK VLUE ( Figure ) +V +I P +P V +V +i I k=i R 8 X -E -I -P θ θ -i -V 6 ( Figure ) - 7 -
30 IEC- IEC-- 6V CT.III POLLUTION DEGREE Low Voltage Indication The " " symbol is shown on the top right of the LCD display, when the batteries are weak, you need replace new batteries or use the EX- P function of the meter. Turn the selector to EX- P, the meter will use the measured voltage signal as power supply to work. But the meter can only measure a single-phase circuit and cannot work with a three-phase circuit in this power source mode. Replacing Batteries RNING To avoid electrical shock, the instrument must be powered off and the lest leads or any input signals disconnected before replacing the batteries. Never use the instrument unless the back cover of the instrument is fastened completely. Replace batteries only with same type or rating. Coin OPEN RNING PLESE RED MNUL FOR SFETY.TO VOID ELECTRICL SHOCK NEVER CONNECT THE TEST LEDS TO THE INPUT JKS HICH RE NOT FORRELTED MESURING ND REMOVE LL INPUTS BEFORE OPENING CSE. OPEN RNING PLESE RED MNUL FOR ELECTRICL SHOT BTTERIES : 4 X.5 V SIZE ( Figure. Open The Battery Cover ) - 8 -
31 hen the LCD displays the symbol, the batteries must be replaced to maintain proper operation. Use the following procedure to replace the batteries:. Disconnect test leads from any signals, turn the rotary function switch to, and remove the test leads from the input terminals.. Open the battery cover and remove the battery cover. Because there is a locked design in the battery cover, do not force the battery cover open, otherwise the cover may break. Refer to Figure for opening it: Insert a coin into the groove of the battery cover, press the coin down, then open the cover.. Remove old batteries and replace with new batteries which are the same type or rating. 4. Reinstall the battery cover. SPECIFICTIONS VOLTGE RMS RNGE CURY RESOLUTION INPUT IMPEDNCE V ±(.%+5).V MΩ V ±(.%+5).V (Pf SHUNT) 6V ±(.%+5).V Max. Overload Voltage:75V (RMS) - 9 -
32 CURRENT RMS RNGE CURY RESOLUTION 4 ±(%+5). ±(%+5). 4 ±(%+5). ±(%+5). Max. Overload Current:5 TIVE POER ( ) RNGE CURY RESOLUTION 4k ±(%+5).k k ±(%+5).k 4k ±(%+5).k k ±(%+5).k 6k ±(%+5).k Minimum measurement current : 5 Minimum measurement voltage : V PPRENT POER (V) RNGE CURY RESOLUTION 4 ±(%+5). ±(%+5). 4 ±(%+5). ±(%+5). 6 ±(%+5). Minimum measurement current : 5 Minimum measurement voltage : V - -
33 POER FTOR (PF) RNGE CURY RESOLUTION.~ Capacitive ±(.+)..~ Inductive ±(.+). Minimum measurement current : 5 Minimum measurement voltage : V RETIVE POER (Var) =(V) + RNGE CURY RESOLUTION 4 ±(4%+5). ±(4%+5). 4 ±(4%+5). ±(4%+5). 6 ±(4%+5). Minimum input current : 5 Minimum input voltage : V Recording Voltage value current value ctive Power value to calculate Reactive Power value, The calculating accuracy is.% of the range. TIVE ENERGY () RNGE CURY RESOLUTION ~9999 ±(%+). Minimum measurement current :.5 Minimum measurement voltage : V - -
34 FREQUENCY ( Hz ) RNGE CURY RESOLUTION Hz~kHz.5%.Hz Minimum measurement voltage: V * ccuracy:% of reading + number of digits The specification given assume an operating temperature: 8 ~8,humidity up to: 8%, the frequency of voltage and current is 45Hz~65Hz * Maximum common made voltage: 6V RMS * Display : LCD 9999 * Range : autorange * Overrange indication: Figure OL on the display * Reading Holding: Figure on the display * Power supply : 4.5V * Power consume: 5m * Storage temperature: - ~7 * Operating temperature: ~4 * Dimension size: mm mm 5mm * eight: approx. 5g ( include battery ) CESSORIES Users manual Battery.5V 4 Test Leads (MS) Connect test clamp (MS) RSC interface cable ( MS4 ) PC Data Record graph software Carry Case - -
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