Power Analyzer WT500
Contents
1. Model Suffix and codes Description Description Cable B9284LK light blue for external current sensor input is 701960 Compact cart 500 560 705 mm W D H sold separately Safety terminal adapter 758931 is included with A Key board and mouse table the WT500 Other cables and adapters must be purchased by 701961 Deluxe cart 570 580 839 mm W D H the user A Key board and mouse table 701962 General purpose cart 467 693 713 mm W H D Model _ Suffix code Description 751521 Single phase DC to 100 kHz 3 dB 600 A to 0 A to 600 A DC 751523 10 Three phase U V Basic accuracy 0 05 of rdg 40 mA Superior noise eonte Unit mm 20 Three phase U W withstanding ability and CMRR characteristic due to approx inch 30 Three phase U V W optimized casing design Supply voltage 1 100 V AC 50 60 Hz 3 115 V AC 50 60 Hz 7 230 V AC 50 60 Hz Power cord D UL CSA standard F VDE standard 12 35 en S R SAA standard 0 48 0 2 l J BS standard H GB standard 751523 10 is designed for WT500 WT3000 PZ4000 and WT1600 751523 20 is designed for the WT2000 and WT200 Series 751521 751523 do not conform to CE Marking A im Wa Model Product Description REAR VIEW 751552 Clamp on probe 30 Hz to 5 kHz 1400 Apk 1000 Arms 751574 Current transducer DC to 100 kHz 3 dB 62. 7 rd Average active power v user defined function v v user defined function v user defined function J D i i J parameters Apparent power amount WS J Reactive power amount WQ y Frequency 2 channels up to 6 channels with option FQ selected voltage or current one Up to three from voltages or currents on installed input elements 2 channels up to 8 channels with option FQ Efficiency v v y Motor evaluation Torque and rotational velocity input opt Torque rotating speed input motor version opt FFT spectral analysis G6 opt User defined functions v 8 functions v 4 v 20 functions Display 5 7 inch TFT color LCD 7 segment display 6 4 inch TFT color LCD 8 4 inch TFT color LCD Display Display format Numerical values waveforms trends bar graphs vectors Numerical values 3 Numerical values waveforms trends bar graphs vectors Numerical values waveforms trends bar graphs vectors Sampling frequency Approximately 200 kS s Approximately 200 kS s Harmonic measurement v G5 opt v opt y G6 opt IEC standards compliant harmonic measurement a e U U G6 opt Cycle by cycle CC opt pci Delta calculation function v DT opt _ v diff are not supported DT opt DA output 4 channels WT210 opt 12 channels WT230 opt 30 channels opt 20 channels DA opt Synchronized operation y v v Storage Approximately 20 MB Internal Memory i 5 a
3. 40 C 20 80 when printer not used No condensation may be present 2000 m or less Inside of room 25 60 C no condensation may be present Storage humidity 20 to 80 RH no condensation Rated supply voltage 100 240 VAC Allowed supply voltage fluctuation range 90 264 VAC Rated supply frequency 50 60 Hz Allowed supply frequency fluctuation 48 to 63 Hz Maximum power consumption 80 VA when using built in printer Weight Approximately 6 5 kg including main unit 3 input elements and options Operating altitude Operating area Storage environment 11 ModetFand Suffix Codes Model Product Description 751533 E4 Rack mounting kit For EIA Single mount 751534 E4 Rack mounting kit For EIA Double mount Model Suffix Codes Description 751534 J4 Rack mounting kit For JIS Double mount 760201 WT500 1 input element model 760203 WT500 3 input elements model Power cord D UL CSA standard 5 E VDE standard Model parts number Product Description Order Q ty R SRA ctandard 758917 Test read set A set of 0 8m long red and black test leads 1 T pe eandard 758922 A Small alligator clip Rated at 300V and used in a pair 1 H ceRenad 758929 A Large alligator clip Rated at 1000V and used in a pair 1 Options ICT CEE na E 758923 Safety terminal adapter spring hold type Two adapters to a set 1 G7 Eihe
4. e Moving average Select the number of averages from 8 16 32 or 64 e The average calculations below are performed on the harmonic display items of voltage U current power P apparent power S reactive power Q Power factor A is determined by calculating the average of P and Q Only exponential averaging is performed Select an attenuation constant of 2 4 8 16 32 or 64 Select 100 ms 200 ms 500 ms 1 s 2 s or 5s Store function Internal memory size Store interval waveform OFF USB memory Approximately 20 MB Maximum 100 msec to 99 hour 59 minutes 59 seconds Guideline for Storage Time Waveform Display OFF Integration Function OFF Number of measurement channels Measured Items Per CH Storage Interval Storable Amnt of Data ich 3 100 ms Approx 40 hr ich Approx 120 hr gch 10 100 ms Approx 4hr 3 ch Approx 20 hr Note Depending on the user defined math integration and other settings the actual measurement time may be shorter than stated above Store interval to memory depends on number of stored data and kind og the media Added Frequency Measurement FQ Optional At maximum two times the data update rate only during numerical display Device under measurement Select up to two frequencies of the voltage or current input to the input elements for measurement If the frequency option WT500 SPECIFICATION FQ is installed the frequencies of the voltages and currents being
5. the elapsed time and value is saved and the 45 to 66 Hz Add 0 2 of reading 45 to 66 Hz Add 0 3 of reading operation is stopped Under 45 Hz Add 0 5 of reading Under 45 Hz Add 1 of reading Accuracy Power power accuracy 0 02 of WS Influence of line filter When cutoff frequency is 5 5 kHz When cutoff frequency is 5 5 kHz Current current accuracy 0 02 x elapsed time h of 66 Hz or less Add 0 2 of reading 66 Hz or less Add 0 4 of reading 66 to 500 Hz Add 0 5 of reading 66 to 500 Hz Add 1 2 of reading The phase lead and lag are detected correctly when the voltage and current signals are both sine waves the lead lag is 50 of the range rating or 100 for crest factor 6 the frequency is between 20 Hz and 2 kHz and the phase angle is 5 to 175 or more range when select dc current accuracy 0 02 of reading when selected others It does not sample for approximately 70us at each data update The period is compensated 0 02 of reading Lead Lag Detection d LEAD G LAG of the phase angle and symbols for the reactive power Q calculation The s symbol shows the lead lag of each Time accuracy element and Display indicates leading l Temperature coefficient 0 03 of reading C at 5 18 or 28 40 C e Numerical display function Udc and Idc are 0 to 110 of the measurement range Display resolution 60000 Urms and Irms are 1 to 110 of the measurement ra
6. A conversion efficiency Thermal power generation and other forms of power Photovoltaic power conditioner DC voltage levels will vary based on the limited resources of oil and coal release by commOl MENON environmentally harmful COs the main cause of global warming On the other hand because photovoltaic power Booster generation does not release COs it is considered to be Load an important renewable energy resource for the future The WT500 is capable of evaluating voltage current and Photovoltaic power power conversion efficiency by measuring DC signals cone ener JEnorEIE z power by receiving and AC signals generated by photovoltaic power a sunlight on solar cell Gri renewable energy source oote rid WT500 Power Analyzer A T HOARE E Measurement of power conditioned and bought for home and usage of renewable energy Japan in particular has electronics been actively developing equipment for photovoltaic power generation systems The WT500 measures power consumption of sold power which supplies photovoltaically generated power to interconnected systems and bought power purchases of electricity and simultaneously displays data of bought sold power consumed regenerated energy and other data for energy saving monitoring Power me Distribution conditioner board Power supplied to home LLE electronics A Power Analyzer Large Current Measurements for Electrical Appliances In re
7. SX N is the nth apparent power function and N is the number of data updates Unit of Time is h Ax Pz Sz cos Note1 The instrument s apparent power S reactive power Q power factor I and phase angle are calculated using measured values of voltage current and active power However reactive power is calculated directly from sampled data when TYPES is selected Therefore when distorted waveforms are input these values may be different from those of other measuring instruments based on different measuring principals Note 2 The value of Q in the QS calculation is calculated with a preceding minus sign when the current input leads the voltage input and a plus sign when it lags the voltage input so the value of QS may be negative n Set a efficiency calculation up to 2 User defined functions Create equations combining measurement function symbols and calculate up to F1 F8 eight numerical data Accuracy Conditions Temperature 23 5 C Humidity 30 to 75 RH Input waveform Sine wave Common mode voltage 0 V Crest factor 3 Line filter OFF Frequency filter 440 Hz ON A power factor 1 After warm up After zero level compensation or range value change while wired f is frequency 6 month These conditions are all accuracy condition in this section Accuracy reading error measurement range error for crest factor 3 DC 0 1 of reading 0 1 of range 0 5 HzSt l
8. Used when attaching wrench included for tightening banana plug to binding post Due to the nature of this product it is possible to touch its metal parts Therefore there is a risk of electric shock so the product must be used with caution 1 Maximum diameters of cables that can be connected to the adapters 758923 core diameter 2 5 mm or less sheath diameter 4 8 mm or less 758931 core diameter 1 8 mm or less sheath diameter 3 9 mm or less 2 Use with a low voltage circuit 42 V or less 3 The coax cable is simply cut on the current sensor side Preparation by the user is required Connection the Measurement Cables and Adapters Connection Diagram for Current Transducer Equipment under voltage measurement Equipment under current measurement Current Input Terminal of The Power Meter Load resistors B8200JR 4 in parallel Connector B8200JQ 758917 DC source Voltage Input Terminal of the Power Meter Accessories sold separately Product Part no Specifications Order quantity Output connector B8200JQ D SUB 9 pin with 2 screws 10 Q 0 25 W x 4 Load resistors BB200JR Connect 4 in parallel to set resistance to 2 5 Q Connection Diagram for Clamp on Probe Equipment under current measurement EXT Input Terminal of The Power Meter 758924 751550 Voltage output 758917 758921 751552 Current output Current I
9. 0 05 range rated of range 2 mV Effective input range is within 300 within 600 for crest factor 6 e Influenced by changes in temperature after zero level correction or range value changes Add 0 02 of range C to the voltage DC accuracy 500 uA C to the current DC accuracy 50 uV C to the external current DC accuracy and influence of voltage times influence of current to the power DC accuracy e Influence of self heating due to current input When the input signal is current for AC add 0 00013 x I of rdg and for DC add 0 00013 x 12 of rdg 0 004 x mA to the current and power accuracy is the reading value of current A Please note that the influence of self heating is present until the shunt resistance temperature drops even when the current input value is small e Additions to accuracy according to the data update rate Add 0 05 of rdg when it is 100 ms e Range of guaranteed accuracy by frequency voltage and current All accuracies between 0 5 Hz and 10 Hz are reference values If the voltage exceeds 750 V at 30 kKHz 100 kHz the voltage and power values are reference values If the current exceeds 20 A at DC 10 Hz 45 Hz or 400 Hz 100 kHz the current and power accuracies are reference values e Accuracy for crest factor 6 Range accuracy of crest factor 3 for two times range of crest factor 6 e Influence of self heating due to voltage input When the input signal is voltage for AC add 0 0000001 x u of reading a
10. Ce K Voltage Output 751550 AC 400 Arms 600 Apeak e Wide dynamic range 0 5 to 400 Arms AC e Wide measurement frequency range 20 Hz to 20 kHz 5 e Basic accuracy 1 0 of reading 0 2 mV e Voltage output type 10 mV A This model is treated as a special order product Adapters and Cables A A 758917 758922 A 758929 A 758923 758931 758921 A Measurement leads Two leads in a set Use 758917 in combination with 758922 or 758929 Total length 75 cm Rating 1000 V 32 A EK 701959 A 758924 Safety mini clip set hook Type Conversion adapter 2 pieces red and black in one For conversion between male set Rating 1000 V BNC and female banana plug Small alligator adapters For connection to measurement leads 758917 Two in a set Rating 300 V Large alligator adapters For connection to measurement leads 758917 Two in a set Rating 1000 V Safety terminal adapter set spring hold type Two adapters in a set 366924 25 2 A B9284LK 3 BNC cable External Sensor Cable BNC BNC 1 m 2 m For connection the external input For connection to simultaneously of the WT500 to current sensor measurement with 2 units or for Length 50 cm input external trigger signal Connection Diagram Safety terminal adapter set Fork terminal adapter Screw fastened adapters Two Two adapters red and black to adapters in a set 1 5 mm Allen a set
11. f E folt e i Current i External Crest F eatu res O eO K M e y factor LJ Standard feature calls OSWA A Ae 6 300 Option Software sold separately Be NIGII NS Newly Designed Architecture Intuitive control by using cursor keys in four different directions To reduce setting errors menus display settings in order of relative importance in order TOT ft hiv panji Mir ing Seal iii Sper Saueoe Filtera Updete Arte Kuis inii Aow iir co Hide Oot H b ow WY i LOLLUSI P i Usap Function 3 3 iy p Harmanji cu salts unaia Example of voltage lindadie ALETI EES MANS Wis ean range setting Sfutiees En toeeaar Avereging I I Lhntegratiss In addition to numerical data the WT500 can display input signal waveforms and trends time variation of numerical data Also bar graph display and vector display are available with the harmonic measurement G5 option mor eal 1 Waveforms of up to approximately 5 kHz can be displayed 2 Excludes single phase models Split screen display for numerical values and waveforms is not available Two efficiency calculations can be set by selecting input elements or output elements from a list Example 1 P gt P1x100 12 P gt P2x 100 i l T ipii Al SS a pe Lee Vector 2 Bar graph Measured Value Direct Save Function Two USB ports for peripherals are installed for direct data saving up
12. input to all input elements can be measured Reciprocal method Data Update Rate Measurement method Measurement range Measuring Range 100 ms 25 Hz lt f 100 kHz 200 ms 12 5 Hz f 100 kHz 500 ms 5 Hz lt f 100 kHz 1s 2 5 HZ t 100 kHz 2s 1 5 Hz f 50 kHz 5s 0 5 Hzsf lt 20 kHz Accuracy 0 06 of reading When the input signal levels are greater than or equal to 25 mV current external sensor input and the signal is greater than or equal to 30 0 1 Hz 440 Hz frequency filter ON of the measurement range However when the measuring frequency is smaller or equal to 2 times of above lower frequency the input signal is greater than or equal to 50 Add 0 05 of reading when current external input is smaller than or equal to 50 mV input signal level for each is double for crest factor 6 Max display resolution 99999 Min frequency resolution 0 0001 Hz Frequency Filter Select ON OFF Delta Calculation Function DT Optional Delta Calculation Setting Symbols and Meanings difference 3P3W gt 3V3A DELTA STAR AU1 Differential voltage determined by computed u1 and u2 AU1 Line voltage determined in the calculation for a 3 phase 3 wire connection AU1 AU2 AU3 Phase voltage determined in the calculation for 3 phase 3 wire 8V3A connection STAR DELTA AU1 AU2 AU3 Line voltage determined in the calculation for a 3 phase 4 wire connection Current difference A I1 Differential current determined by computa
13. to 1 G byte in USB memory at shortest intervals The saved data can be opened in applications such as Excel Update C450 fore CSV format ee a ee eo 9 ee fee ee a e Excel is a registered trademark of Microsoft Corporation in the U S A Only necessary items within the measured data like voltage current and power can be saved in USB memory in binary or CSV format up to 1 GB Files saved in CSV format can be Sou eit tests eera niara i opened in general purpose a eee applications such as Excel to allow ere displaying of data in graphs In addition to integration functions of active power WP current q reactive power WQ and apparent power WS a new feature provides measurement of bought and sold watt hours Also average active power can be calculated over an integration interval This feature is useful for evaluating the power consumed by intermittent control instruments in which the power value fluctuates Average active power is calculated by using user defined settings Integration power WP Average active power Elapsed time H Instant Instant Power value Average Active Power value a al eb O A if A E Ej E aw aup APPLICATIONS Power Measurement for Renewable Energy ns power iol S been a Measurements of photovoltaic power consumption and power ocus of attention under the backdrop of the prevention o rai
14. 00 Apk For detailed information see Power Meter Accessory Catalog Bulletin 7515 52E YOKOGAWA YOKOGAWA CORPORATION OF AMERICA 2 Dart Road Newnan Georgia 30265 1094 U S A Phone 1 770 253 7000 Fax 1 770 251 6427 YOKOGAWA EUROPE B V Databankweg 20 3821 AL Amersfoort THE NETHERLANDS Phone 31 33 4641858 Fax 31 33 4641859 YOKOGAWA ENGINEERING ASIA PTE LTD 5 Bedok South Road Singapore 469270 Phone 65 62419933 Fax 65 62412606 YOKOGAWA MEASURING INSTRUMENTS KOREA CORP ee ee ee eee ee m t d ad ah a ad ee eee ee ee ee eB ee eee t a t ad ad a L at a a ee ee ee ee ee Represented by Phone 82 2 551 0660 Fax 82 2 551 0665 YOKOGAWA SHANGHAI TRADING CO LTD Phone 86 21 5405 0303 Fax 86 21 6880 9254 YOKOGAWA ELECTRIC CORPORATION Communication amp Measurement Business Headquarters 2 9 32 Nakacho Musashino shi Tokyo 180 8750 Japan Phone 81 422 52 6768 Fax 81 422 52 6624 MM 16E E mail tm cs jp yokogawa com j DI TITTTTTTTT7TT7777777777777777777777TTTTTTTTTTTTTTTT Subject to change without notice Ed 01 b Printed in Japan 805 KP All Rights Reserved Copyright 2008 Yokogawa Electric Corporation
15. Hz 0 15 of reading 0 15 of reading 0 25 of reading 0 35 of range 0 35 of range 0 5 of range 0 2 of reading 0 2 of reading 0 4 of reading 0 35 of range 0 35 of range 0 5 of range 0 8 of reading 0 9 of reading 1 7 of reading 0 35 of range 0 35 of range 0 5 of range 3 of reading 3 of reading 6 of reading 0 35 of range 0 35 of range 0 5 of range 0 4 of reading 0 35 of range 0 75 of reading 0 35 of range 1 2 of reading 0 35 of range 5 of reading 0 35 of range 0 85 of reading 0 5 of range 1 5 of reading 0 5 of range 2 4 of reading 0 5 of range 10 of reading 0 5 of range 440 Hz lt f lt 1 kHz 1 kHz lt f lt 2 5 kHz 2 5 kHz lt f lt 5 kHz However all the items below apply to all tables e When the crest factor is set to 3 e When A power factor 1 e Power figures that exceed 440 Hz are reference values e For nth order component input add n m 1 50 of the nth order reading to the n mth order and n mth order of the voltage and current For the n mth order and n mth order of power add n m 1 25 of the nth order reading e Add n 500 of reading to the nth component of the voltage and current and add n 250 of reading to the nth component of the power e Accuracy when the crest factor is 6 The same as when the range is doubled for crest factor 3 e The accuracy guaranteed range by frequency and voltage current is th
16. S of 2 kV whichever is lower Current e Direct input Peak current of 450 A or RMS of 300 A whichever is lower e External sensor input Peak not to exceeded 10 times the range Instantaneous maximum allowed input 1 second or less Voltage Peak voltage of 2 kV or RMS of 1 5 kV whichever is lower Current e Direct input Peak current of 150 A or RMS of 45 A whichever is lower e External sensor input Peak not to exceed 10 times the range Continuous maximum allowed input Voltage Peak voltage of 1 5 kV or RMS of 1 kV whichever is lower Current e Direct input Peak current of 100 A or RMS of 45 A whichever is lower e External sensor input Peak not to exceed 5 times the range Continuous maximum common mode voltage 50 60 Hz 1000 Vrms Influence from common mode voltage Apply 1000 Vrms with the voltage input terminals shorted and the current input terminals open e 50 60 Hz 0 01 of range or less e Reference value up to 100 kHz max range range 0 001 f of range or less However 0 01 or more The units of f are KHz Current Sensor Input is 10 times of above equations The maximum rated range within equations is 1000 V or 40 A or 10V Select OFF 500 Hz 5 5 kHz Select OFF or ON Cut off frequency 500 Hz Simultaneous voltage and current conversion and 16 bit resolution Conversion speed sampling rate Approximately 10 us See harmonic measurement items for harmonic display Range switching Can be set for each input element Auto
17. YOKOGAWA WT50 Power Analyzer OOSLM JezAjouy JaMog Simultaneous measurement of voltage current power and harmonics High speed data updating 100 ms Display of numerical values waveforms and trends Measurement of bought and sold watt hours Easy setup and operation Bulletin 7602 00E WT500 Compact and easy to use The Power cna for the renewable energy generation Power Analyzer WT500 The WT500 Power Analyzer features a color TFT and compact body that enables single phase and three phase power measurement achieving 0 1 basic accuracy maximum input of 1000 Vrms 40 Arms and a measurement bandwidth of 100 kHz E Cursor Keys Cursor keys can be used to move the on screen cursor in four different directions The cursor keys and SET key can also be used for making selections in soft menus The scaling tamarina mks ono p WT500 s menu structure is even more user friendly than meer Freee oad z other models Cail E RANGE Keys ee aie The RANGE keys can be used to set the voltage and temet 1 672 re Pegs R Current ranges Quick intuitive range control is available by ind a e A lixe ff using direct keys P1 541 RO F O ne 21 59w 2 JEJ EA Mi DISPLAY Keys ES s eee 5 mi he DISPLAY keys can be used to switch between numerical ey ogee ae nae i 0 9391 ro values waveforms and other displays aes Bre oe nano NE The display format can easily be changed Tars a e
18. cent years the all electric lifestyle of household electronics such as kitchen appliances and hot water heaters has grown in popularity and there is increased demand for Induction Heating Cookers and other Electrical Appliances that are promoted as being safer than gas operated stoves A large amount of current is applied and converted to heat in order to increase the output of IH cooking heaters The WT500 can measure voltage current power and total harmonic distortion THD by inputting the large current up to 40 A flowing to the IH cooking heater without the need for a current sensor Measurements can be taken faster allowing for high speed acquisition of power data on manufacturing lines WT500 Power Analyzer a wi Single Phase voltage IH Cooking Heater Evaluation and Testing of Home Electronics Power consumption reduction measures have been adopted in consumer appliances such as air conditioners and washing machines due to implementation of Energy Star Control methods are used in home electronics in which consumed current is precisely controlled to reduce power consumption The WT500 provides measurement of the fluctuating power consumption in these appliances HT iiil Voltage current and power fluctuation measurement screens APPLICATIONS Measuring Power Consumption of Various Motor Loads Various industrial motor amp pump and air conditioning fans Motor a
19. e same as the guaranteed range of normal measurement If the amplitude of the high frequency component is large influence of approximately 1 may appear in certain orders The influence depends on the size of the frequency component Therefore if the frequency component is small with respect to the range rating this does not cause a problem Ethernet Communications C7 Optional Number of communication ports 1 Connector type RJ 45 connector Electrical and mechanical specifications Conforms to IEEE 802 3 Ethernet 100BASE TX Max 100 Mbps TCP IP FTP server DHCP DNS Remote control VXI 11 Transmission system Transmission rate Protocol Supported Services USB port PC Connector Type B connector receptacle Electrical and Mechanical Specifications Conforms to USB Rev 1 1 Speed Max 12 Mbps Number of Ports 1 Supported service Supported Systems Remote control USB TMC Models with standard USB ports that run Windows 2000 Windows XP or Windows Vista with USB port as a standard Power Supply Self Power USB port Peripheral Connector Type A connector receptacle Electrical and Mechanical Specifications Conforms to USB Rev 2 0 Speed Max 480 Mbps Number of Ports 2 Supported keyboards 104 keyboard US and 109 keyboard Japanese conforming to USB HID Class Ver 1 1devices Supported USB memory devices USB USB Mass Storage Class flash memory Power supply 5 V 500 mA per port However device whose ma
20. enient for simultaneously confirming data on multiple monitors or to check data remotely EE This function enables simultaneous measurement of normal and harmonic data Harmonic components of up to the 50 th order can be measured With the WT500 you can simultaneously confirm voltage current and the distortion factor THD as well as measure the distortion factor without switching modes 2 646 x mat 45 250 4 TESE E TF i THD measurement Harmonic Dual List This function allows you to calculate individual phase voltages and phase currents from the line voltages and phase currents measured in a three phase three wire system The phase voltage can be calculated from the line voltage measured with the three phase three wire 8V3A method This is useful when you want to determine the phase voltage in a DUT with no neutral line by using the three phase three wire 8V3A method Note This function cannot be installed on products with only one element CE RS _ 3 a v F 7 We i GF TAIA a l T eeat aT Gayenn PLN r AVION war UT z VIC GIG In addition to the standard two channels of frequency measurement an option is available for frequency measurement on all channels This option provides frequency measurement of voltage and current on all channels with input elements 1 through 3 installed This is necessary when you want to measure voltage and current frequency from the instrum
21. ent s I O as well as voltage and current frequencies of multiple items under test at the same time Note This function cannot be installed on products with only one input element REAR PANEL Standard feature Voltage input terminals Current input terminals USB communication interface External trigger Signal External clock input Connector Optional feature External Current Sensor Input Terminals EX option GP IB communication Interface C1 option Ethernet Port 10OBASE TX VGA Output V1 option on oO ACCESSORIES Current Transducer Current Clamp on Probe K 758921 751574 Current Transducer DC to 100 kHz 600 Apk e Wide measurement frequency range DC and up to 100 kHz 3 dB e High precision fundamental accuracy 0 05 of reading 40 uA e Wide dynamic range 0 600 A DC 600 A peak AC e 15 V DC power supply connector and load resistor required 751552 Current Clamp on Probe AC1000 Arms 1400 Apeak e Measurement frequency range 30 Hz to 5 kHz e Basic accuracy 0 3 of reading e Maximum allowed input AC 1000 Arms max 1400 Apk AC e Current output type 1 mA A A separately sold fork terminal adapter set 758921 measurement leads 758917 etc are required for connection to WT500 For For detailed information see Power Meter Accessory Catalog Bulletin detailed information see Power Meter Accessory Catalog Bulletin 758924
22. f voltage and current Displays the size of each harmonic in a bar graph Number of measurement channels Up to 8 parameters Displays trends transitions in numerical data of the measurement functions in a sequential line graph Two windows can be selected from numerical display 1P2W single phase two wire 1P3W single phase 3 wire 3P3W 3 phase 3 wire 3P4W 3 phase 4 wire 3P3W 3V3A 3 phase 3 wire 3 volt 3 amp measurement However the number of available wiring settings varies depending on the number of installed input elements Up to four or only one two or three wiring settings may be available When inputting output from external current sensors VT or e Simultaneous display Not available Storage e Saving and Loading Data Settings waveform display data numerical data and screen image data can be saved to media Saved settings can be loaded from a media CT set the current sensor conversion ratio VT ratio CT ratio and power coefficient in the range from 0 0001 to 99999 9999 Line filter or frequency filter settings can be entered e The average calculations below are performed on the normal measurement parameters of voltage U current I power P apparent power S reactive power Q Power factor and phase angle are determined by calculating the average of P and S Select exponential or moving averaging e Exponential average Select an attenuation constant of 2 4 8 16 32 or 64
23. melnterace 758931 Safety terminal adapter screw fastened type Two adapters toa 1 EX1 External sensor input for 760201 See sulin hex Wrench is attached TEX2 External sensor input for 760202 758924 a Conversion adapter BNC banana jack female adapter 1 EX3 External sensor input for 760203 aeeges A PO ENCAD m d G5 Harmonic Measurement 366925 A BNC BNC cable en IDT Delta computation 760202 03 only 758921 A Fork terminal adapter Banana fork adapter Two adapters to a set 1 IEQ Add on Frequency Measurement 760202 03 only B9284LKA External sensor cable Current sensor input connector Length 0 5m 1 v1 VGA Output A Due to the nature of this product it is possible to touch its metal parts Therefore there is a risk of electric shock so the product must be used with caution Note Adding input modules after initial product delivery will require rework at the factory Please choose your Use these products with low voltage circuits 42V or less models and configurations carefully and inquire with your sales representative if you have any questions E Standard accessories Safety terminal adapter Power cord Rubber feet current input protective cover 758931 O eA Product Description Order Q ty Users manual Communication interface users manual CD ROM Safety terminal adapter 758931 provided two adapters in a set times input element number 760122 WTViewer Data acquisition software 1
24. mp Pump Inverter are used in factories and other such locations The revolution speed of these motor amp pump has to be controlled in order to save energy therefore many inverter driven motor amp pump are used The WT500 not only measures variation of voltage current and power to evaluate performance of these motor amp pump but also enables you to examine energy efficiency by measuring integrated power Three phase voltage WT500 Power Analyzer Uninterruptible Power Supplies UPS are systems that UPS Output waveform Load provide stable supplies of power at all times even during power failures such as power outages instantaneous power failures voltage fluctuations and frequency F changes As UPS performance tests the WT500 can calculate oot input to output efficiency power output frequency and distortion factor Note The standard model can measure up to two frequencies WT500 Power Analyzer SOFTWARE W FEViewer 760122 Coming Soon LabVIEW Drivers WTViewer is a software program that reads measured numerical waveform and Data acquisition possible using LabVIEW harmonic data Data can be transferred to a personal computer via GP IB Ethernet or LabVIEW drivers can be downloaded from our USB communications to display and store numeric or waveform data Web site A communications option can be installed in the WT500 as needed Free Communication Interface USB GP IB C1 Etherne
25. nd for DC add 0 0000001 x u of reading 0 0000001 x u of range u is the reading value of voltage Please note that the influence of self heating is present until the resistance temparature drops ever when the voltage input value is small WT500 SPECIFICATION Voltage current Hold Holds the data display When 0 Single Executes a single measurement during measurement hold Apparent power reading x 0 2 in Zero level compensation Null Compensates the zero level the range 10 of range the 45 to 66 Hz range All other frequencies are as follows however these are only reference Integ ration Total power error with values g peat ithe a for Apparent power reading x Mode Select a mode of Manual Standard Continuous repeat an arbitrary power 0 2 0 2 x f kHz Real Time Control Standard or Real Time Control factor exclude A 1 O lt A lt 1 Continuous Repeat owore adma Povere ang Timer Integration can be stopped automatically using the integration Pror el Powar Tange Smara timer setting 0000 h 00 m 00 s 10000 h 00 m 00 s Power range Apparent power f reading power reading x tan x Count over If the count over integration time reaches the maximum influence when A 0 is the integration time 1 0000 hours or if the integration value phase difference of voltage and current reaches max min display integration value 999999 MWh or When cutoff frequency is 500 Hz When cutoff frequency is 500 Hz 999999 Mah
26. nge or 2 220 for crest factor 6 Umn and Imn are 10 to 110 of the measurement range Number of display items e Waveform display items Select 4 8 16 matrix all single list or dual list 10 a A No of display rasters 501 Urmn and Irmn are 10 to 110 of the measurement range es Power is 0 to 110 for DC measurement 1 to 110 ae voltage and Display format Peak peak compressed data current range for AC measurement and up to 110 of the power range Time axis Range from 1 ms 500 ms div However it must be 1 10 th of However the synchronization source level falls below the input signal of the data update rate frequency measurement Sample rate Approximately 100 ks s 110 of the voltage range rating Triggers Max display 140 of the voltage and current range rating Trigger Type Edge type Urms Irms Uac and lac are up to 0 5 relative to the measurement range or Trigger Mode Select Auto or Normal Triggers are turned OFF automatically Min display Measurement lower limit frequency Accuracy of apparent power S up to 1 for a crest factor of 6 Umn Urmn Imn and Irmn are up to 2 or 4 for a crest factor of 6 Below that zero suppress Current integration value q also depends on the current value Data update rate 100 ms 200 ms 500 ms 1s 2s 5s Measurementlowel 557 lao hz see 25Hz 495 He 05 He limit frequency Voltage accuracy current accuracy Accuracy of reactive powe
27. nput Terminal of The Power Meter Don t connect and use the current input terminal and EXT terminal simultaneously Comparison of Specifications and Functions in WT500 Other WT Series Models Comparison among WT series Basic power accuracy 50 60 Hz 0 1 of reading 0 1 of range 0 1 of reading 0 1 of range 0 1 of reading 0 05 of range 0 02 of reading 0 04 of range Measurement power bandwidth DC 0 5 Hz to 100 kHz DC 0 5 Hz to 100 kHz DC 0 5 Hz to 1 MHz DC 0 1 Hz to 1 MHz Input elements WT210 2 amp 3 WT230 1 2 3 4 5 6 een Voltage range eee GES 15 30 60 100 150 300 600 1000 V 15 30 60 120 200 300 600 V 1 5 3 6 1 0 15 30 60 1 00 150 300 600 1000 V 15 30 60 100 150 300 600 1000 V 5 m 10 m 20 m 50 m 0 1 0 2 0 5 1 2 5 Select from 10 m 20 m 50 m 100 m 200 m Current range 0 5 1 2 5 10 20 A WT230 Crest factor 3 External sensor input Guaranteed accuracy range for voltage and current ranges 1 to 110 1 to 130 1 to 110 1 to 130 Main measurement parameters Voltage current active power reactive power apparent power power factor phase angle peak voltage peak current crest factor Jv Jv Jv Jv 50 m 100 m 200 m 500 m 1 2 5 10 V opt 50 m 100 m 250 m V or 2 5 5 10 V opt 50 m 100 m 250 m 500 m 1 2 5 5 10 V 50 m 100 m 200 m 500 m 1 2 5 10 V Peak hold instantaneous maximum value hold J MAX hold A Voltage RMS MEAN simultaneous measurement y 7 y J PEE
28. pproximately 30MB internal memory for storing data Max 1 GB direct memory to USB MAX 600 sample W210 MAX 300 sample WT230 Approximately 11 MB USB GP IB C1 opt GP IB or RS 232 opt WT210 GP IB or RS 232 GP IB RS 232 C2 opt USB C12 Other Interfaces Ethernet C7 opt VGA output V1 opt GP IB or RS 232 WT230 SCSI opt Ethernet opt VGA output VGA output V1 opt Ethernet C7 opt features Data updating interval 100 m 200 m 500 m 1 2 5 S 100 m 250 m 500 m 1 2 5 S 50 m 100 m 200 m 500 m 1 2 5 S 50 m 100 m 250 m 500 m 1 2 5 10 20 S Removable storage USB FDD PC card interface USB C5 opt Printer C Built in printer front side opt Built in printer front side B5 opt There are limitations on some specifications and functions See the individual product catalogs for details CHARACTERISTICS Example of basic characteristics showing the WT500 s high precision Example of frequency characteristic Total power error with rated range input for an arbitrary power factor 50 60Hz g z S 5 5 BS x g 5 a g 2 10 100 1 000 10 000 100 000 Frequency Hz Power factor Example of frequency versus power accuracy characte
29. r Q Accuracy of apparent power 4 1 0004 A 1 A X 100 of range Accuracy of power factor Accuracy of phase difference One year accuracy Functions Measurement method Crest factor Measurement period Wiring Scaling Input filter Averaging Data update rate Response time A 4 1 0002 Icos cos sin influence of power factor of power when A 0 100 1digit when voltage and current is at rated input of the measurement range is the phase difference of voltage and current I cos A 1 0002 sin influence of power factor of power when A 0 100 deg 1digit when voltage and current is at rated input of the measurement range Add the accuracy of reading error Six month x 0 5 to the accuracy six month Digital multiplication method 3 or 6 when inputting rated values of the measurement range and 300 relative to the minimum valid input Interval for determining the measurement function and performing calculations Period used to determine and compute the measurement function e The measurement period is set by the zero crossing of the reference signal synchronization source excluding watt hour WP as well as ampere hour q during DC mode e For harmonic measurement G5 option the measurement period is from the beginning of the data update interval to 1024 points at the harmonic sampling frequency You can selec
30. range functions Increasing range value e When the measured values of U rms and rms exceed 110 of the range rating e When the peak value exceeds approximately 330 of the range rating or approximately 660 for crest factor 6 Decreasing range value e When the measured values of U rms and rms fall to 30 or less of the range rating and Upk and Ipk are 300 or less of the lower range value or 600 for crest factor 6 Line filter Frequency filter A D converter Display Display 5 7 inch color TFT LCD monitor Total number of pixels 640 horiz X 480 vert dots Waveform display resolution 501 horiz xX 432 vert dots Display update rate Same as the data update rate Exceptions are listed below e The display update interval of numeric display 4 8 and 16 items is 200 ms when the data update rate is 100 ms e The display update interval of numeric display ALL Single List and Dual List is 500 ms when the data update rate is 100 ms or 200 ms e The display update rate of the trend display bar graph display and vector display is 1 s when the data update rate is 100 ms to 500 ms e The display update interval of the waveform display is approximately 1 s when the data update rate is 100 ms to 1 s However it may be longer depending on the trigger setting e At the setting of SLAVE mode display update rate depends on the External clock However it is adopted under faster external condition than data update
31. rate Up to 0 02 of the pixels on the LCD may be defective Calculation Functions Measurement functions Equations WP Wh Power integration 1 N a N sampling times during the elapsed period Time unit is h WPTYPE CHARGE DISCHARGE WP is summation of product of u n x i n equation which is only positive value WP is summation of product of u n x i n equation which is only negative value WP is sum of WP and WP WPTYPE BOUGHT SOLD WP is summation of average P which is only positive value WP is summation of average P which is only negative value WP is sum of WP and WP Single phase 3 phase 3 wire 3 wire U1 U2 2 U1 U2 U3 3 3 phase 3 wire h 4 wir 3 voltage 3 current 3 phase 4 wire 11 12 2 11 12 13 3 Plt P1 P2 P3 51452 j 3 1 S24 83 S1 8S2 S3 Vv PX2 QX Q1 Q2 Q1 Q2 Q3 Q1 Q2 Q3 WPZ Wh WP1 WP2 WP3 WP 2 Wh WP1 WP2 CHARGE DISCHARGE setting WP 1 WP 2 WP 1 FWP 2 WP 3 When WPTYPE is set to SOLD BOUGHT only positive WP value is added WP x Wh CHARGE DISCHARGE setting WP 1 WP 2 WP 1 WP 2 WP 3 When WPTYPE is set to SOLD BOUGHT only negative WP value is added q Ah qi q2 g1 q2 93 q Ah q 1 q 2 q 1 q 2 q 3 q Ah q 1 q 2 q 1 g 2 q 3 WQx varh 1 N N x QX n xTime QzX n is the nth reactive power function and N is the number of data updates Unit of Time is h WSz N 2 x SxX n xTime rs
32. ristic Effect of common mode voltage on reading value power specification for cosO 1 us T E fo fo 5 L le 2 x g 5 W in 100V 500mA range 1 000 Frequency Hz Frequency Hz WT500 SPECIFICATION WT500 Specifications Inputs Item Specification Input terminal type Voltage Plug in terminal safety terminal Current e Direct input Large binding post e External sensor input Insulated BNC connector Voltage Floating input resistive potential method Current Floating input shunt input method Input type Measurement Voltage range 15 V 30 V 60 V 100 V 150 V 300 V 600 V 1000 V for crest factor 3 7 5 V 15 V 30 V 50 V 75 V 150 V 300 V 500 V for crest factor 6 Current e Direct input 500 mA 1 A 2 A 5 A 10 A 20 A 40 A for crest factor 3 250 mA 500 mA 1 A 2 5 A 5A 10 A 20 A for crest factor 6 e External sensor input 50 mV 100 mV 200 mV 500 mV 1 V 2 V 5 V 10 V for crest factor 3 25 mV 50 mV 100 mV 250 mV 500 mV 1 V 2 5 V 5 V for crest factor 6 Instrument loss input impedance Voltage Approximately 2 MQ 13 pF Current e Direct input Approximately 5 mQ approximately 0 1 WH e External sensor input Approximately 100 kQ Instantaneous maximum allowable input 20 m second or less Voltage Peak voltage of 2 8 kV or RM
33. s si The SETUP key can be used to enter various settings required for power measurement such as the wiring method and filters E FILE IMAGE and STORE Keys The keys related to data storage are located in the same area Data can be easily stored in USB memory fi Features Simultaneous measurement of DC and AC signals Easy setup with cursor keys Evaluation of DC AC signal conversion technology is critical in the Menu type screen offers intuitive settings renewable energy market With input from 2 or more elements the WT500 can measure DC and AC signals simultaneously and Simultaneous measurement of normal data and calculate input to output efficiency harmonic data with the harmonic measurement O Separate integration functions for charge discharge PD opion eee a ee ae eee and bought sold power x ee components up to the 50 order can be measured simultaneously The WT500 is equipped with integration functions that can not only evaluate charge and discharge current such as from WT series for power evaluation of energy saving secondary cells but also bought and sold power in photovoltaic e quipm ent ower generation systems PERETI y The WT series have been used as powermeters for Green IT Saving measured data directly to USB memory Energy Star CO2 reduction and other energy saving equipment The Measured data can be saved in CSV format directly to USB memory es aaa the WT500 supports your power evaluation
34. t C7 race ee ms E Sfm Lit aicinn kaa rjf ion Numerical Data Display Waveform Display E ke a e a m Sy Ss too TT Asan jee g es aa ia Bee 2a ae m i af fhe Ben 205 pete Se i Dee ey af see sk el Measured data of input elements 1 to 3 and P can Voltage and current waveforms can be monitored be displayed on the PC screen via communication on the PC screen Picture j le of WT3000 You can confirm the voltage and current eee ae waveform shapes waveform distortion and other LabVIEW is a registered trademark of NATIONAL phenomena INSTRUMENTS Corporation in the U S A OPTIONS gt gt _ 2 ee n D Fh Ff jw oe OEE ReOE Mem Gare ee FF I E A TD VYVOHIHIIULIIGCALUOII An a A A OBE ER ER ESED A7 BER A TA Vo v if T GP IB communication enables you to control the WT500 or transfer data from a PC Data can be transferred via Ethernet communication It enables file transfers using an FTP server 100BASE TX Ethernet ARILI v gt EF E E Enu E LEIEN ita NSOrinNnpDUT JE Fi ie Ae eee Current can be measured by using current clamps without disconnecting power supply wiring voltage output type By setting an external current sensor conversion ratio it can support various types of current clamp on probes By connecting to a monitor you can create large displays of numerical values and waveforms This function is conv
35. t 45 Hz 0 1 of reading 0 2 of range 45 Hz fS66 Hz 0 1 of reading 0 1 of range Current 0 1 of reading 0 1 of range 0 1 of reading 0 2 of range 0 1 of reading 0 1 of range 0 1 of reading 0 2 of range 0 1 of reading 0 1 of range 0 3 of reading 0 2 of range 0 1 of reading 0 1 of range 0 2 of reading 0 2 of range 0 2 0 1 X f 1 of reading 0 2 of range 0 2 of range 0 2 of range 10 kHz lt f 50 kHz 0 5 0 04 x f 10 of reading 1 0 08 x f 10 of reading 0 2 0 1 x f 1 of reading 0 3 of range 0 3 of range 0 3 of range 50 kHz lt f 100 kHz 0 5 0 04 x f 10 of reading 1 0 08 x f 10 of reading 5 1 0 18 x f 50 of reading 0 3 of range 0 3 of range 0 3 of range 66 Hz lt f 1 kHz 0 1 of reading 0 2 of range 1 kKHz lt fS10 kHz 0 1 0 05 x f 1 of reading 0 1 X f of reading e Unit of f of reading error is kHz External Sensor Input add 50 uV to DC Current accuracy and add 50 uV external sensor input rated range x 100 of range to DC power accuracy Direct current Input add 500 uA to DC Current accuracy and add 500 uA direct current input rated range x 100 of range to DC power accuracy e Accuracy of waveform display data Upk and Ipk reference value Voltage Add 1 5 X 15 range rated of range Current Direct add 3 X4 0 5 range rated of range 5 mA External input add 3 x
36. t one of the following five wiring settings Trigger Source Trigger Slope Trigger Level Vertical axis Zoom ON OFF Format Interpolation Graticule Other display ON OFF Cursor measurements Zoom function during integration Select voltage current or external clock for the input to each input element Select Rising Falling or Rising Falling When the trigger source is the voltage or current input to the input elements Set in the range from the center of the screen to 100 top bottom edge of the screen Setting resolution 0 1 When the trigger source is Ext Clk TTL level Voltage and current input to the waveform vertical axis zoom input element can be zoomed along the vertical axis Set in the range of 0 1 to 100 times ON OFF can be set for each voltage and current input to the input element You can select 1 2 3 or 4 splits for the waveform display Select dot or linear interpolation Select graticule or cross grid display Upper lower limit scale value and waveform label ON OFF When you place the cursor on the waveform the value of that point is measured No time axis zoom function Since the sampling frequency is approximately 100 kHz waveforms that can be accurately reproduced are those of about 5 kHz e Vector Display Bar Graph Display G5 option is required Vector display Bar graph display e Trend display Vector display of the phase difference in the fundamental waves o
37. tion 3P3W 3V3A DELTA STAR Neutral line current RGB Video Signal VGA Output Section V1 Optional 15 pin D Sub receptacle VGA compatible Phase current that are not measured can be computed Connector type Output format Harmonic Measurement Function G5 Optional All Installed Elements PLL synchronization PLL source of the fundamental frequency is in the range 10 Measure source Method Frequency range Hz 1 2 kHz PLL source Select voltage current or external clock for each input element Data length for FFT 32 bits Window function Rectangular Anti aliasing filter Set using a line filter 5 5 KHz or OFF Sample rate sampling frequency window width and upper limit of analyzed orders for PLL e During Harmonic Display synchronization Fundamental Frequency Sample Rate Window Width Upper Limit of Analyzed orders 10 Hz to 75 Az 1024 1 50 2 4 8 4 150 Hz to 300 Hz f 256 D 300 Hz to 600 Hz f 128 600 Hz to 1200 Hz f 64 Accuracy reading error measurement range error for crest factor 3 e When Line Filter is ON 5 5 kHz Voltage Current Power Sampling Frequency 10 Hz lt f lt 45 Hz 45 Hz lt f lt 440 Hz 440 Hz lt f lt 1 kHz 1 kHz lt f lt 2 5 kHz e When Line Filter is OFF Sampling Frequency Voltage Current Power 10 Hz lt f lt 45 Hz 0 15 of reading 0 15 of reading 0 35 of reading 0 35 of range 0 35 of range 0 5 of range 45 Hzsf lt 440
38. ximum current consumption exceeds 100 mA cannot be connected simultaneously to the two ports Master Slave Synchronization Signal Input External Clock Input Select Master Slave Synchronization Signals Connector type BNC connector Both slave and master External Clock Input Connector type BNC connector Input level jaye Inputting the synchronization source as the Ext Clk of normal measurement Frequency range Same as the measurement range for frequency Input waveform 50 duty ratio square wave Inputting the PLL source as the Ext Clk of harmonic measurement G5 option is required Frequency range 10 Hz to 1 2 kHz Input waveform 50 duty ratio square wave For Triggers Minimum pulse width q us Trigger delay time Within 1 us 1 sample rate GP IB Interface C1 optional Use one of the following by NATIONAL INSTRUMENTS e AT GPIB e PCI GPIB PCI GPIB and PCle GPIB e PCMCIA GPIB and PCMCIA GPIB Use driver NI 488 2M version 1 60 or later Conforms electrically and mechanically IEEE St d 488 1978 JIS C 1901 1987 SH1 AH1 T6 L4 SR1 RL1 PPO DC1 DT1 and Co IEEE St d 488 2 1992 Card driver Functional specification Conforms to protocol Encoding ISO ASCII Mode Addressable mode Address 0 30 Clear remote mode Remote mode can be cleared using the LOCAL key except during Local Lockout General Specifications Warm up time Operating temperature Operating humidity Approximately thirty minutes 5
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