Bulletin 7604-00E WT210/WT230 Digital Power Meters
Contents
1. YOKOGAWA WT210 WT 230 Digital Power Meters s19 9W 19M0d 04161q OEZLM OLZLM Digital Sampling Power Meters with Superior Cost Performance Low power measurement IEC62301 Harmonic measurement Compact design half rack size Line filter function User calibration capability Crest factor Basic Power Accuracy Frequency range Low current WT210 Bulletin 7604 00E The WT230 s advanced specifications and its wide range of functions let you handle all your measurement applications from low frequency equipment to three phase equipments using a single power meter One unit also handles standby low power measurements and rated power measurements functions available with the WT210 only A Wide range of 5 mA to 20 A The built in 5 mA range lets you measure currents as low as 25 uA This makes it possible to measure very low currents on such things as intermittent control equipment The wide current range 5 mA to 20 A means a single power meter can be used for applications such as Energy Star measuremnts to measure everything from standby power to rated power Free MODE MAX HOLO TRIG gt CAL WTViewer for the WT210 WT230 Easily Acquire and Manage Power Measurement Data from Your PC Power Consumption 2 Measurement ai Software for IEC62301 Z HARMONIES MEMORY INTEG SET REMOTE KEV LOCK OUTPUT toce ee2. 0 ds eee eee TEL a O O e 0 01 0 1 1 10 100 0 1 10 100 1000 10000 100000 Input current time width Seconds Frequency Hz Example of D A Output Response Comparison with Former Models WT200 WT130 WT210 WT230 Binding post Plug in terminal safety terminal Plug in terminal safety terminal 1m l Voltage and current 0 25 of rng 0 2 of rg l acy Mode pasie accuracy i l Power basic accuracy 0 3 of rng WT200 l l Norna 0 35 of rng WT130 02m img yCount Frequency range DC 10 Hz to 20 kHz DC 0 5 Hz to 100 kHz Assured accuracy range 10 to 130 of range rating 1 to 130 of range rating Display updating interval 0 25 second fixed 0 1 0 25 0 5 1 2 5 seconds V A W display digits 4 digits WT130 Line filter function I Frequency filter function Yes fc 300 Hz Single key ock updating interval Approximately 3 seconds 0 25 0 5 1 2 5 seconds oe Aah Remote signals when EXT HOLD and EXT TRIG are added EXT START f All six signals listed to the left are added ciate comparator is installed JEXT STOP EXT RESET and INTEG BUSY are not added Pin assign is changed Realtine Out Online data format ASCII ASCII binary Waveform data communications output Yes need HRM OFF PRH HD Addressable mode B for y GP IB communications es Display digits factory default 4 digits nline output data digits factory defaul 4 digits Functions Included with the WT200 but Not Included with the WT130 a
3. 09 x f 10 of rdg Scaling OFF Display digits 5 digits After CAL is executed Crest factor 3 Note mnte cara calculation one e ink Add 10 uA to the current DC accuracy Note 1 Add 10 uA x voltage reading to the power DC accuracy Note 1 Power factor effect For cos 0 45 Hz lt f lt 66 Hz 0 2 of VA VA is a reading value of apparent power Reference data up to 100 kHz 0 2 0 2 x f of VA Indicated value tolerance for O lt cos lt 1 Add tanj effect when cosj 0 of power reading to the above power accuracy Note is the phase angle between voltage and current Note In the accuracy calculation formula f is in kHz Effective input range Crest factor 3 1 130 of voltage current range rating for accuracy at 110 130 add the reading tolerance x 0 5 to the above accuracy Accuracy 12 months after calibration Add the accuracy s reading tolerance three months after calibration x 0 5 to the accuracy three months after calibration Line filter function A low pass filter can be inserted in the input circuit for measurement The cutoff frequency fc is 500 Hz Accuracy with line filter on Voltage and current Add 0 2 of rdg at 45 66 Hz Add 0 5 of rdg below 45 Hz Power Add 0 3 of rdg at 45 66 Hz Add 1 of rdg below 45 Hz Accuracy for crest factor 6 Double the accuracy s range tolerance of the accuracy for crest factor 3 Temperature coefficient 0 03 of range C at 5 18 C
4. 1 WH 0 5 20 A WT230 External input Approximately 100 KQ EX1 2 5 5 10 V approximately 20 kQ EX2 50 100 200 mV Maximum instantaneous allowed input Peak voltage of 2 8 kV or rms value of 2 0 kV whichever is less 0 5 20 At WT210 WT230 Peak current of 450 A or rms value of 300 A whichever is less 1 cycle 20 ms duration 5 200 mA WT210 Peak current of 150 A or rms value of 100 A whichever is less External input Peak value of 10 times range or less Maximum instantaneous allowed input Maximum instantaneous allowed input 0 5 20 A t WT210 WT230 Peak current of 150 A or rms value of 40 A whichever is less 1 second duration 1 second duration 5 200 mA WT210 Peak current of 30 A or rms value of 20 A whichever is less External input Peak value of 10 times range or less Maximum continuous allowed input Peak voltage of 2 0 kV or rms value of 1 5 kV whichever is less 0 5 20 A WT210 WT230 Peak current of 100 A or rms value of 30 A whichever is less 5 200 mA WT210 Peak current of 30 A or rms value of 20 A whichever is less External input Peak value of 5 times range or less Maximum continuous common mode voltage 600 Vrms with output connector protective cover CAT II 400 Vrms without output connector protective cover CAT II with 50 60 Hz input Common mode rejection ratio CMRR 50 60 Hz 80 dB or higher 0 01 of range or less with voltage input terminals shorted and current input terminals open a
5. 4 or 5 digits Selectable by user Factory default setting is 5 digits Measurement parameters V A W deg WT210 V1 V2 V3 A1 A2 A3 W1 W2 W3 deg1 deg2 deg3 WT230 individual harmonic levels rms voltage rms current active power fundamental frequency PF harmonic distortion rate individual harmonic content Measurement element These parameters can only be measured simultaneously for a single specified input element Maximum display Display digits Sampling speed window width and analysis orders The values for these parameters vary according to the input fundamental frequency as shown below Fundamental frequency Sampling speed Window width Analysis orders 40 lt f lt 70 Hz f x512 Hz 2 periods of f 50 70 lt f lt 130 Hz f x 256 Hz 4 periods of f 50 130 lt f lt 250 Hz f x 128 Hz 8 periods of f 50 250 lt f lt 440 Hz f x 64 Hz 16 periods of f 30 FFT data length 1024 FFT processed word length 32 bits Window function Rectangular Display updating interval 0 25 0 5 1 2 5 seconds Updating is slower during online output according to the communication speed and the number of parameters transferred Add 0 2 of range to normal measurement accuracy Note For nth order component input add 10 m 1 of the nth order reading to the n mth order and n mth order Accuracy D A Output DA4 or DA12 Option Output voltage 5 V FS maximum approximately 7 5 V for each rated value Number of outpu
6. Modes Standard integration mode timer mode continuous integration mode repeat mode manual integration mode Timer Automatic integration start stop based on timer setting Setting range 000 h 00 min 00 sec to 10000 h 00 min 00 sec If the time is set to zero manual mode is automatically set When the integrated value exceeds 999999 MWh MAh or falls to at least 99999 MWh MAh the elapsed time is saved and the operation is stopped display accuracy 0 1 of rdg 0 02 Starting stopping and resetting can be controlled through external contact signals This function is only available when option DA4 DA12 or CMP is installed Count over flow Accuracy Timer accuracy Remote control Internal Memory Functions Measurement data Stored data WT210 760401 Data for 600 samples Data for 30 samples WT230 760502 Data for 300 samples Data for 30 samples WT230 760503 Data for 200 samples Data for 30 samples Store interval Display updating interval and 1 second to 99 hours 59 minutes and 59 seconds Display updating interval and 1 second to 99 hours 59 minutes and 59 seconds Both can be set in 1 second increments Panel setting information Four different patterns of panel setting information can be written read Recall interval Harmonic Measurement Function HRM Option System PLL synchronization Measurement frequency range Fundamental frequency in range of 40 440 Hz 99999
7. i ea al Functions and Features of the WT210 and WT230 LEDs Low frequency Equipment Commercial Power Supplies Extended Energy Measurement Applications 0 2 Low frequency measurements starting at 0 5 Hz 0 1 Maximum integration time 10 000 hours Now you can obtain more precise Low frequency measurements starting at 0 5 Power accuracy is even better than in former WT measurements on DC driven equipment such Hz can be used with evaluations of series as LEDs cycloconverter and when a motor are started Battery equipment applications For Requirements for IEC and Other Standards Integrating power measurement by polarity Crest factor CF 6 mode This mode allows easy measurement using instruments for which nr crest factors CF of 5 and above are required as is so with most i Mamun display te tne ontheraiatinolt Intermittent Control Equipment Applications standards including IEC62018 1 input 2 Conditions apply to accuracy from 110 to 130 130 input Average active power display WT230 5mA 751552 J l Large current Measurement Using Current Clamps Online Power Meter Control and Recording A Power Supply Harmonic Measurements a With 751552 Max 1000 Arms External input for current sensor GP IB serial RS 232 C interface Calculate voltage current reactive power Select either 50 100 200 mV or 2 5 5 10 V This option lets you control the power content ratio a
8. 5 L4 SR1 RL1 PRO DC1 DT1 CO 5sec 0 5 Hz lt f lt 20 kHz Protocol Conforms to IEEE Standard 488 2 1992 Accuracy 1 year 0 06 of rdg Code used ISO ASCII code Conditions Input equal to at least 30 of voltage current rated range Addresses 0 30 talker listener addresses can be set Frequency filter function ON at 200 Hz and below Serial interface RS 232 C 11 60 for crest factor 6 Transmission mode Asynchronous Frequency filter cutoff frequency 500 Hz Baud rates 1200 2400 4800 9600 bps Specifications Calculation Functions Single Three phase 3 wire Three phase 3 wire Three phase 3 2 voltages 3 voltages phase 4 wire 2 currents 3 currents wire Voltage V V1 V3 2 V1 V2 V3 3 A1 A2 A3 3 Current SA Active power XW Reactive power vari y VA W vari var3 var var anse Apparent paat VAi Vi x Ai VA1 VA3 3 VA1 VA3 8 VAI VA2 VAS VA1 VA2 VA3 VA XVA A1 A3 2 W1 W3 varl var2 var3 Power factor PF Pfi Wi VAi XW VA PF Phase degi p Sag dep cos Wi vai COS ZW XVA Notes 1 This equipment s apparent power VA reactive power var power factor PF and phase angle deg are calculated from voltage current and active power Therefore if the input contains a distorted wave the values may not match those of other measuring instruments based on different measurement principles 2 If either voltage
9. 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 Free Application Software Power Consumption WT Viewer for the wT210 and wT230 Measurement Software Meets the requirement of IEC62301 household electrical appliances Measurement of i thet el m ia ma a Te Standby Power mT meee FR ee eee 7 E n SEE aaa e be i eee i Am jaon na i Driver Software Free Download this software program from our web site Easily Acquire and Manage Power Measurement Data form Your PC WTViewer for the WT210 WT230 is a software application that allows you to load numeric and waveform data measured with the WT210 or WT 230 Digital Power Meter to a PC via GP IB or serial RS 232 C communications Visit our web site to register your product and download this software program http www yokogawa com tm WT210 s wee LabVIEW is a registered trademark of National See our web site or the software catalog Bulletin 7604 32E for detailed specifications is 1 cr Instruments Corporation Information on the features and functions of Yokogawa s WT series amp PZ accessories and related products is also available at our homepage http www yokogawa com tm Protecting the global environment CAUTION Yokogawa s products are developed and produced in facilities that have received Read the us
10. al time required for display value to enter accuracy range of final value with line filter off when range rating abruptly changes from 0 to 100 and from 100 to 0 140 of voltage current range rating About Vrms Arms Vmean and Ah 0 5 of range rating for crest factor 3 1 of range rating for crest factor 6 Less than 0 5 is zero suppression Display scaling function Effective digits Selected automatically according to the digits in the voltage and current ranges 0 001 to 9999 Maximum display Minimum display Setting range Averaging function Methods Exponential average or moving average Exponential average Attenuation constant of 8 16 32 or 64 Moving average Number of averages set to 8 16 32 or 64 Auto range monitor An LED turns on when the input value is outside the range set for the auto range MAX hold function This function can be used to hold V A W VA var Vpk and Apk at maximum values MATH functions System When a function key on DISPLAY C is pressed to select the MATH functions it is possible to perform efficiency WT230 only and input crest factor measurements as well as arithmetic calculations on DISPLAY A and B measurements In addition it is possible to display average active power for time converted integrated power Integration Functions Display resolution The minimum display resolution changes together with the integrated value Maximum display 99999 to 999999 MWh MAh
11. and 28 40 C Display updating intervals 0 1 0 25 0 5 1 2 5 seconds Lead lag detecting Lead lag is detected correctly when phase angle equal to or greater than 5 with both voltage and current inputs as sine waves equal to or greater than 50 Crest factor 3 of rated range value and the frequency is between 20 Hz to 2 kHz 10 100 for crest factor 6 Measurement lower limit frequency Data updating rate 0 1 second 0 25 second 0 5 second 1 second 2 seconds 5 seconds Measurement lower limit frequency 25 Hz rng Range rdg Reading 9 2 for crest factor 6 Note 1 Guaranteed accuracy ranges for frequency voltage and current direct input All accuracy figures for 0 5 to 10 Hz are reference values The accuracy figures for DC 10Hz to 45Hz and 400Hz to 30kHz when the current exceeds 20A are reference values WT210 The maximum current input is 6A when the frequency is over 30kHz up to 100kHz Frequency Measurements Measurement inputs V1 V2 V3 A1 A2 or A3 select one F F F Measurementsytem Flecipracal sysiem Communication Functions Optional for the WT210 Measurement frequency ranges GP IB or serial interface RS 232 C select one 100 ms 25 Hz lt f lt 100 kHz GP IB 250 ms 10 Hz lt f lt 100 kHz Electrical and mechanical specifications 500 ms 5 Hz lt f lt 100 kHz Conform to IEEE Standard 488 1978 JIS C1901 1987 1sec 2 5Hz lt f lt 100 kHz Functional specifications 2 5 sec 1 5 Hz lt f lt 50 kHz SH1 AH1 T
12. d Options EX1 External input 2 5 5 10 V Select one External input 50 100 200 mV Harmonic measurement function 12 channel DA output Select one Comparator and D A 4 channels each E Standard Accessories Power cord Power fuse Current input protective cover Rubber feet for the hind feet 24 pin connector provided only on options DA4 DA12 and CMP User s manual When using the WT210 WT230 with WTViewer for the WT210 WT230 for waveform display on the PC screen or harmonic measurement the HRM option must be installed on the WT210 WT230 Select one Select one Select one Power cord E Rack mounts Ask Yokogawa for information on rack mounts in which WT210 and WT230 are combined E Accessories sold separately Model number Description B9317WD 1 5 mm hex wrench For fastening cable on 758931 B9284LK External sensor cable For external input 50 cm Vane n waveform peak Note Crest Factor RMS value The crest factor is the ratio of the waveform peak value and the RMS value waveform peak RMS value About the measurable crest factor of our power measuring instruments please refer to the following equation Crest factor CF peak factor Greetdacior Gr ete nse EE cena Ore measured value RMS However the peak value of the measured signal must be less than or equal to the continuous maximum allowed input The crest factor on a power meter is specified by how ma
13. e true rms value measurement for current DC simple averages for both voltage and current Note Current direct input and external sensor input cannot both be used at the same time When you operate current input terminals and external input terminals please be careful Since these terminals are electrically connected inside the instrument 1 Connect wires that match the size of the measurement current 2 Factory setting 3 2 5 100 mA for crest factor 6 4 0 25 10 A for crest factor 6 5 1 25 2 5 5V for crest factor6 6 25 50 100 mV for crest factor 6 Measurement Functions Accuracy three months after calibration 0 2 or rdg 0 2 of rng 0 3 or rdg 0 2 of rng Conditions 0 5 am lt f lt 45 Hz 0 1 of rdg 0 2 of rng 0 5 me lt f lt 45 Hz 0 3 of rdg 0 2 of rng Temperature 23 5 C 45 Hz lt f lt 66 Hz 0 1 of rdg 0 1 of rng 45 Hz lt f lt 66 Hz 0 1 of rdg 0 1 of rng Humidity 30 75 RH 66 Hz lt f lt 1 kHz 0 1 of rdg 0 2 of rng 66 Hz lt f lt 1 kHz 0 2 of rdg 0 2 of rng Input waveform Sinewave 1 kHz lt f lt 10 kHz 0 07 x f of rdg 0 3 of rng 1 kHz lt f lt 10 kHz 0 1 of rdg 0 3 of rng Power factor cosj 1 0 067 x f 1 of rdg common mode voltage 0 V DC 10 kHz lt f lt 100 kHz 0 5 of rdg 0 5 of rng 10 kHz lt f lt 100 kHz 0 5 of rdg 0 5 of rng Frequency filter ON at 200 Hz or less 0 04 x f 10 of rdg 0
14. er s manual carefully for correct and safe use of the ISO14001 approval instrument YOKOGAWA METERS amp INSTRUMENTS CORPORATION Subject to Change without notice Global Sales Dept Phone 81 42 534 1413 Facsimile 81 42 534 1426 COR VEQINO ADE VORO AWE ec iiCOelp orale E mail tm cs jp yokogawa com EA P Printed in Japan 305 KP YOKOGAWA CORPORATION OF AMERICA Phone 1 770 253 7000 Fax 1 770 254 0928 YOKOGAWA EUROPE B V Phone 31 88 4641000 Fax 31 88 4641111 YOKOGAWA ENGINEERING ASIA PTE LTD Phone 65 62419933 Fax 65 62412606
15. lf output voltages A 4 channel relay contact output normal open and normal close pair lets you do GO NO GO evaluations on production and testing lines This option lets you output a variety of measurement data such as voltage current and power measurements Instead of taking notes you can use the internal memory to store and recall with 5 V rating for recording on a recorder The recorder settings and field measurement data can then be used to check changes in data over time wave rectification signals ScopeCorder 2 3 Popular functions on the WT200 were incorporated into WT210 and WT230 3 Information on the features and functions of Yokogawa s WT210 WT230 accessories and related products is also available at our web site http www yokogawa com tm The specifications in facing pages are for crest factor 3 setting See page 5 for the specifications of crest factor 6 setting Basic Characteristics for crest factor 3 Example of Frequency power Accuracy Characteristics Example of WT210 Current Accuracy LM CTT as ie E A PP GUTTA 2 Ht 5 Loe g L aT N x 0 TIN TT HI T AT e 3 AS 2 SF 1 10 100 1000 10000 100000 sie Frequency Hz Input level relative to set range of range Current Input Surge Withstanding Ability Example of Influence of Common Mode Voltage aH Ae U Surge current value Arms P AL fT TT Li Ait T J T T OIF S T S ff Tolerance of range N
16. nd Included with the WT210 WT230 e MAX hold function Moving decimal point display based on integrated power value e 10 000 hour maximum integration time Integration with few data omissions Average active power display Voltage input terminal External input terminal r ZoOnUAY n T Somua inl 1 ZSE Se Migin gt Record Length Inf inite a w z 3 o gt 5 3 oO gt a E S oO 3 oO 5 2 a p a Q Specifications The latest product information is available at our web site http www yokogawa com tm Review the specifications to determine which model is right for you Input Specifications Input type Floating input Resistance voltage divider Shunt input system Rated values Crest factor 3 15 30 60 150 300 600 V Direct input 5 10 20 50 100 200 mA WT210 only ranges 0 5 1 2 5 10 20 A WT210 WT230 External input optional 2 5 5 10 V EX1 or 50 100 200 mV EX2 Crest factor 6 7 5 15 30 75 1 50 300 V Direct input 2 5 5 10 25 50 100mA WT210 only 0 25 0 5 1 2 5 5 10 A WT210 WT230 External input optional 1 25 2 5 5 V EX1 or 25 50 100 mV EX2 Measuring instrument loss Input resistance Approximately 2 MQ Direct input Approximately 500 mQ approximately 0 1 WH 5 200 mA WT210 input resistance Input capacitance Approximately 13 pF Approximately 6 MQ 10 mQ max 2 approximately 0 1 uH 0 5 20 A WT210 Approximately 6 mQ approximately 0
17. nd external input terminals shorted 600 Vrms across input terminal and case Reference value up to 100 kHz Maximum range rating Range rating x 0 001 x f of rng or less voltage range and 0 5 20 A current range and external input range Note The Maximum Range in the equation is 600 v Maximum range rating Range rating x 0 0002 x f of rng or less WT210 5 200 mA range 20 A 10 V EX1 or 200 mV EX2 Note 0 01 or higher f is in kHz 7 Decuple the above formula about the external input range Input terminal type Plug in terminal safety terminal Direct input Large binding post External input BNC connector insulation type A D converter Simultaneous conversion of voltage and current inputs Resolution 16 bits Maximum conversion speed Approximately 20 us approximately 51 kHz Range switching Ranges can be set manually automatically or through online controls Auto range function Range raising When a measurement exceeds 130 of the rating or when the peak value exceeds approximately 300 of the rating Range lowering When a measurement falls to 30 or less of the rating and the peak value falls to approximately 300 or less of the rating for the low range 8 Approximately 600 for crest factor 6 Measurement mode switching Any of the following selected manually or through online controls RMS true rms value measurements for both voltage and current V MEAN calibration of average value rectified rms value for voltag
18. nd phase angle relative to A current clamp lets you measure currents meter through a PC or save datatoa H fundamental frequency for up to 50 orders This C without needing to disconnect the power supply PC Amar option is well suited to power supply environment circuit wiring E evaluations Measurement time is approximately Surge current and maximum load state Constantly changing signals aain a 90 shorter than in former models MAX hold function for voltage current and power Quick response with display updating as fast as every 0 1 second External This function lets you keep on the display voltage and current peak With measurement intervals as short as 0 1 second you can capture input values voltage and current rms values and maximum values for active transient phenomena with a fine level of detail You can also reduce the power apparent power and reactive power time per measurement for increased through put in production testing oinparatorouipii Half wave Rectification Intermittent Control Distortion Waves Noisy Signals Measurement of DC components Line filter function fc 500 Hz Recording to a Recorder i GO NO GO Evaluations on Testing Lines In addition to using DC inputs you can obtain precise measurements of This function lets you measure fundamental wave rms values for inverter Ae pel A D i D A output 4 channel comparator function signals containing DC components such as intermittent signals and ha
19. ny times peak input value is allowed relative to rated input value Therefore even if some measured signals exist whose crest factors are larger than the specifications of the instrument the crest factor standard at the rated input you can measure signals having crest factors larger than the specifications by setting a measurement range that is large relative to the measured signal For example even if you set CF 3 CF5 or higher measurements are possible if the measured value RMS is 60 or less than the measuring range Also for a setting of CF 3 measurements of CF 300 are possible with the minimum effective input 1 of measuring range Crest factor 6 is supported by the WT210 WT230 of firmware versions 1 11 and later Related Products 158917 158922 158929 158923 758931 B9284LK EEE el SESE _ EEE EEE ESSE Measurement leads Small alligator adapters Large alligator adapters Safety terminal adapter set Safety terminal adapter set External sensor cable Two leads in a set Use 758917 in For connection to measurement leads For connection to measurement leads spring hold type Two adapters in a Screw fastened adapters Two For the external input of the WT210 combination with 758922 or 758929 758917 Two in a set 758917 Two in a set set adapters in a set 1 5 mm Allen and WT 230 Total length 75 cm Rating 300 V Rating 1000 V wrench included for tightening Length 50 cm Rating 1000 V 32 A Current Sensor Cu
20. or current falls to 0 5 for crest factor 3 1 0 for crest factor 6 of the range rating or less then the apparent power VA and reactive power var are displayed as zero and errors are displayed for power factor PF and phase angle deg 3 The sign of the var of each phase is displayed with positive In the Svar calculation the var value for each phase is calculated with a negative sign if the current input leads the voltage input and with a positive sign if the current input lags the voltage input Then the value of gt var may be displayed with negative 4 Apparent power VA and reactive power var cannot be calculated and displayed at the harmonics measurement mode Display Functions Display unit 7 segment LED light emitting diode Display areas Display area Displayed information V A W VA var for each element integration elapsed time V A W PF deg for each element percentage content percentage THD V A W V AHz Vpk Apk Wh Ah for each element MATH Measurement parameters Maximum display Display resolution V A W VA var 99999 0 001 PEF 1 0000 0 01 PF Wh Ah 999999 0 0001 VHz AHz 99999 Input frequency 20 000 Display digits 4 or 5 digits selectable by user Factory default setting is 5 digits Units m k M V A W VA var Hz h deg Display updating intervals 0 1 0 25 0 5 1 2 5 seconds Response time Maximum 2 times the display updating interv
21. ower plug ganged ganged ganged ganged Power supply Free power supply 100 240 V 50 60 Hz frequency Consumed power Max 35 VA for WT210 max 55 VA for WT230 External dimensions for WT210 Approximately 213 x 88 x 379 mm WHD excluding projections External dimensions for WT230 Approximately 213 x 132 x 379 mm WHD excluding projections Weight Approximately 3 kg for WT210 approximately 5 kg for WT230 Exterior View Unit mm Single phase 2 wire 760502 760503 i J J Single phase 3 wire Three phase 3 wire 2 voltages 2 currents Three phase 3 wire 3 voltages 3 currents Three phase 4 wire a ee ee E Model Numbers and Suffix Codes Description 760401 gt WT210 single input element model UL CSA standard Power cord Doo VDE standard rR e AS standard a BS standard GB standard GP IB communication interface Serial RS 232 C communication interface EX1 External input 2 5 5 10 V External input 50 100 200 mV Harmonic measurement function DA4 4 channel DA output Select one CMP Comparator and D A 4 channels each Note The WT210 communication interface cannot be changed or modified after delivery Description 760502 ttstsisisdzd WT230 2 input element model 760503 ssid WT230 3 input element model GP IB communication interface Serial RS 232 C communication interface ke UL CSA standard VDE standard a AS standard BS standard GB standar
22. rrent Transducer Clamp on Probe E For Wide range amp high precision 0 05 30 uA W For high precision 0 05 40 uA E For high current measurements up to 1000 Arms CT60 CT200 CT1 000 Current Sensors 751 574 Current Transducer 751 552 Clamp on Probe cE 758917 Measurement leads Fork Terminal Adapter DC 800 kHz 60 Apk DC 500 kHz 200 Apk DC 300 kHz 1000 Apk Wide measurement frequency range DC and up to 100 kHz 3 dB Measurement frequency range 30 Hz to 5 kHz Wide dynamic range 0 1000 A DC 1000 A peak AC High precision fundamental accuracy 0 05 of reading 40 uA Basic accuracy 0 3 of reading Wide measurement frequency range DC and up to 800 kHz Wide dynamic range 0 600 A DC 600 A peak AC Maximum allowed input AC 1000 Arms max 1400 Apk AC High precision fundamental accuracy 0 05 of reading 30 uA 15 V DC power supply connector and load resistor required Current output type 1 mA A 15 V DC power supply connector and load resistor required For detailed information see Power Meter Accessory Catalog Bulletin A separately sold fork terminal adapter set 758921 measurement For detailed information see Current Sensors amp Accessories Catalog 7515 52E leads 758917 etc are required for connection to WT210 WT230 For Bulletin CT1000 00E detailed information see Power Meter Accessory Catalog Bulletin 7515 CT series do not conform to CE Marking A
23. t separately on each output channel Contact capacitance 24 V 0 5 A D A output 4 channel See section on D A output optional External Control Signal with DA or CMP Option Only External control signals EXT HOLD EXT TRIG EXT START EXT STOP EXT RESET INTEG BUSY Input TTL level negative pulse General Specifications Warmup time Approximately 30 minutes Operating temperature and humidity ranges 5 40 C 20 80 RH no condensation Storage temperature 25 60 C no condensation Maximum operating elevation 2000 meters Insulating resistance 50 MQ or higher at 500 V DC across all of the following areas Voltage input terminals ganged and case Current input terminals ganged and case Voltage input terminals ganged and current input terminals ganged Voltage input terminals Current input terminals Voltage input terminals Current input terminals Case and power plug Insulating withstand voltage 3700 V for one minute at 50 60 Hz across all of the following areas Voltage input terminals ganged and case Current input terminals ganged and case Voltage input terminals ganged and current input terminals ganged Voltage input terminals ganged of each element Current input terminals ganged of each element Voltage input terminals ganged and power plug Current input terminals ganged and power plug 1500 V for one minute at 50 60 Hz across case and power plug of each element of each element and power plug and p
24. ts 12 parameters with DA12 option 4 parameters with DA4 option Output data selection Can be set separately for each channel Accuracy equipment accuracy 0 2 of FS FS 5 V D A converter 12 bit resolution Response time Maximum 2 times the display updating interval Updating interval Same as the equipment s display updating interval Temperature coefficient 0 05 C of FS Output type Frequency D A output 7 7 7 MMM o 5 0V O 0 0 Saa lama 0 5V F 4 4 f 9 0 5Hz 1Hz 10Hz 100Hz 1kHz 10kHz 100kHz Display value Integration D A output ele gl lalate elected lag For input equal to 140 of rating o A i For rated input Oo t0 Rated setting time itegretionitinie Other parameters D A output Display Output 7 5V 140 7 0V 7 0V 100 5 0V 0 OV 50V 100 5 0V 140 7 0V Note For PF and deg there is no output between 5 and 7 V When an error occurs approximately 7 5 V are output Display value 140 100 ov 100 140 External Input EX1 or EX2 Option Select either EX1 or EX2 for the voltage output type current sensor JEX1 2 5 5 10 V EX2 50 100 200 mV Specifications See the section on input specifications Comparator Output CMP Option Output method Normal open and normal close relay contact output pair Number of output parameters and settings Four parameters can be se
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