WT1600 Digital Power Meter
Contents
1. 230V AC 50 60Hz Power cord D UL CSA standard F VDE standard R SAA standard J BS standard H GB Standard Accuracy assurance and calibration are possible when the Current Sensor Unit Model 751521 751523 is combined with WT series instruments or the PZ4000 Model Code Description 751574 Max 600 Apeak DC CT Model and Suffix Codes Assured accuracy and calibration are not possible when the Current Transducer Model 751574 is combined with WT series instruments or the PZ4000 Also please be aware that measurement errors can occur depending on the conductor and wiring Model Suffix codes Description 760101 WT1600 digital power meter main unit Accessories for 751574 T 2 Element Number 5 6 Product Pare No Speciffications Minimum Purchase Quantity Element types and quantities 01 50 Output connector B8200JQ D Sub 9 pin with screws 1 02 50 50 Burden resistor B8200JR 10 Q 4 pcs il The numbers in the Descrip tion 03 50 50 50 column have the following meanings 04 50 50 50 50 50 50 A input element 05 50 50 50 50 50 5 5 A input element 06 50 50 50 50 50 50 Exterior WT1 600 Blank No element 10 5 afi 5 50 Elements are inserted in the or der 12 5 50 50 U2. 6 in the range However within 200 for the 1000 V range of crest factor 3 within 400 in the 500 V range of crest factor 6 rdg reading rng range Maximum measurement value must be within maximum allowed input 1 Frequency is between 20 Hz to 1 kHz for 50 A input element 1 4 Specifications Calculation Functions 3 Three phase Three ph Single phase thrsctwire three wire Three phase three wire 2 voltage 2 curent 3 voltage 3 current four wire Voltage ZU U14U2 2 U1 U2 U3 3 Current I 11 12 2 11 12 13 3 Active power P P1 P2 P1 P2 P3 Reactive Normal measurement Qi 4 S2 P2 Q1 Q2 Q1 Q2 Q3 power Q XQ Harmonic measurement Qi Apparent Normal measurement Si Ui x li S1 S2 3 S1 82 Z 81 82 83 S1 S2 S3 power S S Harmonic measurement Si y Paaa EP2 E02 Power factor Power factor xEBUSt prae angle jee angle gi cos Pi Si oi cos ZP ES Calculation precision Apparent power S and reactive power Q 0 001 of power range value of calculated values relative Power factor A to measured values Phase angle 4 0 008 relative to calculation from power factor Note 1 Apparent power S reactive power Q power factor 2 and phase angle 0 for this equipment are calculated from active power However reactive power during harmonic measurement is the sum of every order Therefore in the case of
3. A or rms of 7 A whichever is lower External input Peak not to exceed 5 times range value Peak current of 150 A or rms of 50 A whichever is lower External input Peak not to exceed 5 times range value Continuous maximum common mode voltage 50 60Hz 600 Vrms CATII Influence from common mode voltage With voltage input terminals shorted and current input terminals open 50 60 Hz 0 01 of rng or less 0 01 x 15 rated value of rng of rng or less for 10 V rng or less Reference value up to 100 kHz 0 1 x f of rng or less 0 1 x f x 15 rated value of rng of rng or less for 10 V range or less but no less than 0 01 Or two times these values for crest factor 6 frequency unit kHz Input terminal type Plug in terminal safety terminal Direct input Large binding post External input BNC connector insulation type A D converter Voltage current input simultaneous conversion 16 bit resolution conversion speed sampling period of approximately 5 usec Switching range value Range value can be set independently for each element through manual setting automatic setting or online setting Auto range function Increasing range value Range value is increased when rms exceeds 110 of rated value or peak value exceeds approximately 330 or 660 for crest factor 6 of rated value Decreasing range value Range value is decreased when peak is 300 or 600 or less for crest
4. Line filter function Measurement can be made with a line filter inserted in the input circuit Cutoff frequency fc 500 Hz or 5 5 kHz Line filter on accuracy Cut off frequency of 500 Hz Voltage current Add 0 2 of rdg in range of 45 to 66 Hz Under 45 Hz add 0 5 of rdg Power Add 0 3 of rdg in range of 45 to 66 Hz Under 45 Hz add 1 of rdg Cutoff frequency of 5 5 kHz Voltage current Add 0 2 of rdg under 66 Hz At 66 Hz to 500 Hz add 0 5 of rdg Power Add 0 3 of rdg under 66 Hz At 66 Hz to 500 Hz add 1 of rdg Temperature coefficient 0 03 of rdg C at 5 to 20 C and 26 to 40 C Conditions for detecting lead and lag Lead and lag are detected correctly when the voltage and current signals are both sine waves the lead and lag amplitude is greater than or equal to 50 or 100 for crest factor 6 of the measurement range the frequency is between 20 Hz to 10 kHz and the phase angle is 5 to 175 1 Measurement lower limit frequency Data update rate 50 msec 100 msec 200 msec 500 msec Measurement lower limit frequency Current and power DC accuracy 5 A input element Current and power DC accuracy 50 A input element aman Add 20 uA to current and 20 uA x voltage reading to power acer Add 1 mA to current and 1 mA x voltage reading to power External input Add 0 05 scaling value A to current and 0 05 scaling value A x voltage reading to power Zero level correcti
5. Waveforms Sirigle Dual Tiad Quad Vector Phase diagram for first order components in har monic measurement Bar Bar graph up to upper limit of analyzed orders in harmonic measurement Trend Trend display of measured calculated values Selected from 50msec 100msec 200msec 500msec 1sec 2sec 5sec waveform OFF However Maximum data update is approximately 620ms when waveform data acquisition is ON Same as the data update rate However When waveform data acquisition is OFF Numeric display 16 or less value Maximum 100msec The others display setting Maximum 200msec Note Data can be stored in the internal memory every data update late 140 of the voltage and current range rating Urms Uac Irms and lac are up to 0 3 relative to the measuring range or up to 0 6 for a crest fac tor of 6 Umn and Imn are up to 1 or 2 fora crest factor of 6 Below that zero suppress Cur rent integration value q also depends on the cur Data updating rate Display update rate Max Display Min Display rent value Response type Up to data updating rate x 2 with waveform acqui sition off Display scaling function PT ie CT ratio and power scaling factor can be scaled Averaging functions Normal measurement Methods Exponential average or simple moving average Attenuation constant of 2 4 8 16 32 or 64 Number of averages N set to 8 16 32 64 128 or 256 Harmonic measurement When using an exponential average the att
6. distorted wave input these values may be different from those of other instruments based on different measurement principles Note 2 Since the phase is determined using the equation o gt W VA there is no rule for accurac Note 3 The value of var in the var 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 Esovar may be negative Other parameters during normal measurement Upk Ipk peak value CF crest factor FF form factor Z impedance Rs and Rp resistance Xs and Xp reactance and 1 1 efficiency Pc Corrected Power F1 to F4 user defined functions delta calculations three phase three wire_3V3A conversion Y A conversion A Y conversion Wiring settings Settings can be divided into three groups XA SB and C Each group is selected from the following 1P2W single phase two wire one element used 1P3W single phase three wire two ele ments used 3P3W three phase three wire two elements used 3V3A three phase three wire three elements used 3P4W three phase four wire three elements used Display Functions Display 6 4 inch color TFT LCD Pixels in full screen 640 x 480 The LCD unit may contain defects of approximately 0 02 in the pixels of the full screen Normal measurement 4 8 16 42 78 ALL oe measurement 4 8 16 Single List Dual Display type Numerical values
7. internal printer Approximately 426 mm W x 177 mm H x 400 mm D excluding protrusions Approximately 15 kg main unit with 6 input elements and options installed 1 Emission immunity and safety standards apply to products having the CE Mark For all other products please contact your nearest YOKOGAWA representative as listed on the back cover of this manual 2 Overvoltage Categories define transient overvoltage levels including impulse withstand voltage levels Over vollage Category II Applies to equipment supplied with electricity from fixed installations like a distribution 3 Pollution Degree Applies to closed atmospheres with no or only dry non conductive pollution Pollution Degree 2 Applies to normal indoor atmospheres with only non conductive pollution 4 Annex A normative Immunity test requirements for equipment intended for use in industrial locations Storage temperature Operating elevation Insulating resistance Withstand voltage Consumed power External dimensions Weight Product Model Description Order Q ty Rack mounting kit 751535 E4 For EIA 1 Rack mounting kit 751535 J4 For JIS i Clamp on Probe Model Specification Order Q ty 96001 20 Hz to 20 kHz 600Apk 400 Arms 1 751552 30 Hz to 5 kHz 1400Apk 1000Arms 1 For detailed information see Power Meter Accessory Catalog Bulletin 7515 52E 96001 is a Yokogawa M amp C product Accessory sold
8. separately Product Model Description Order Q ty parts number Test read set 758917 A set of 0 8m long red and black test leads 1 Small alligator clip 7589224 Rated at 300V and used in a pair 1 Large alligator clip 758929A Rated at 1000V and used in a pair 1 Safety terminal adapter 758923 spring hold type Two adapters to a set 1 Safety terminal adapter 758931 screw fastened type Two adapters to a set 1 Conversion adapter 751512 1 5 mm hex Wrench is attached 1 Safety terminal binding post adapter Conversion adapter 758924 BNC banana jack female adapter 1 Conversion adapter _ 366922 BNC banana jack male adapter 1 Fork terminal adapter 75892114 Banana fork adapter 1 External sensor cable B9284LK Current sensor input connector Length 0 5m 1 printer roll paper B9316FX Thermal paper 10 meters troll 1 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 1 Use these products with low voltage circuits 42V or less E Application Software Product Model Des Order Q ty 1 WTViewer 760122 Data acquisition software Current Sensor Unit and Current Transducer Model Code Suffix Code Description 751521 Single phase 751523 10 3 phase U V 20 3 phase U W 30 3 phase U V W Supply voltage 1 100V AC 50 60Hz 3 115V AC 50 60Hz 7
9. Specifications Input Parameter Voltage Current 5A input element Current 50A input element Input type Floating input Resistive potential division method Shunt input method Rated value Crest factor 3 1 5 3 6 10 15 30 60 100 150 300 600 1 000V Direct input 10m 20m 50m 100m 200m 500m 1 2 5A Direct input 1 2 5 10 20 50A range value External input 50m 100m 250m 500m 1 2 5 5 10V External input 50m 100m 250m 500m 1 2 5 5 10V Crest factor 6 750m 1 5 3 5 7 5 1 5 30 50 75 150 300 500V Direct input 5m 10m 25m 50m 100m 250m 500m 1 2 5A External input 25m 50m 125m 250m 500m 1 25 2 5 5V Direct input 0 5 1 2 5 5 10 25A External input 25m 50m 125m 250m 500m 1 25 2 5 5V Instrument loss input resistance Approximately 2MQ Direct input Approximately 100MQ Approximately 0 07uH External input Approximately 100kQ Direct input Approximately 2mQ Approximately 0 07uH External input Approximately 100kQ Instantaneous maximum allowed input 1 cycle 20ms duration Peak voltage of 4 kV or rms of 1 5 kV whichever is lower Peak current of 30 A or rms of 15 A whichever is lower External input Peak not to exceed 10 times range value Peak current of 450 A or rms of 300 A whichever is lower External input Peak not to exceed 10 times range value Continuous maximum all input lowed Peak voltage of 1 5 kV or rms of 1 kV whichever is lower Peak current of 10
10. U4 14 U5 15 U6 16 Reciprocal method Data updating rate Measurement method Frequency range Frequency range 50 msec 45 Hz f 1 MHz 100 msec 25 Hz f 1 MHz 200 msec 15 Hz S f 500 kHz 500 msec 5 Hz Sf S 200 kHz 1 sec a a kle E T E 100 giz 2 sec 1 5 Hz Sf 50 kHz 5 sec 0 5 Hz f S 20 kHz However measurement range is up to 100 kHz for 50A input element up to 500 kHz for external input 45 Hz f 66 Hz 66 Hz lt f 1 kHz 1 kHz lt f 2 5 kHz 0 3 of rdg 0 05 of rng 0 4 of rdg 0 05 of rng 1 of rdg 0 1 of rng 1 5 of rdg 0 1 of rng 2 of rdg 0 1 ofrng een However the amplitude level of the PLL source is 30 of range or more or 60 for a crest factor of 6 Two times range error for crest factor 6 During nth order component input add n m 1 50 of the nth order reading to n m th order and n m th order For normal measurement accuracy during nth order component input add n m 1 50 of the nth or der reading to n m th order and n m th order Add n 500 of the nth order reading to the nth or der component 2 4 Line filter OFF Waveform Display Functions Motor Evaluation Functions optiona MTR Data memory size Vertical axis zoom Waveform display format Data interpolation Cursor measurement Triggers Mode Type Source Slope Position Sample rate Time Div 1 kW Peak to peak compressed data 0 1 100 times 1 2 3 or 4 split display Dot or li
11. able blue and the safety terminal adapter are sold separately 4 4
12. current direct input 1 kHz lt f lt 50 kHz 0 3 of rdg 0 1 of rng Voltage 5A input element current direct input 0 015 x f 0 3 of rdg 0 1 of rng External input 0 1 x f 0 2 of rdg 0 1 of rng 50A input element current direct input 0 3 of rdg 0 2 of rng Voltage 5A input element current direct input 0 02 x f 0 3 of rdg 0 2 of rng External input 0 1xf 0 2 of rdg 0 2 of rng 50A input element current direct input 50 kHz lt f lt 100 kHz 0 6 of rdg 0 2 of rng Voltage 5A input element current direct input 0 009 x f 0 6 of rdg 0 2 of rng External input 0 1 x f 0 2 of rdg 0 2 of rng 50A input element current direct input 0 7 of rdg 0 3 of rng 5A input element current direct input 0 009 x f 0 9 of rdg 0 3 of rng External input 0 3xf 9 5 of rdg 0 3 of rng 50A input element current direct input 100 kHz lt f lt 500 kHz 0 006 f of rdg 0 5 of rng Voltage 5A input element current direct input 0 03 x f 1 5 of rdg 0 5 of rng External input 0 008 f of rdg 1 of rng 5A input element current direct input 0 06 x f 4 of rdg 1 of rng External input 500 kHz lt f lt 1 MHz 0 022 x f 8 of rng 1 of rng Voltage 5A input element 0 048 x f 20 of rdg 2 of rng current direct input 5A input element current direct input Power factor influence is phase angle between voltage and curre
13. enua tion constant is 5 625 if the frequency of the PLL synchronization source is 55 Hz or greater but less than 75 Hz otherwise the attenuation constant is 4 6875 When data length 8192 U I P During rated range value input the decimal place and the counting unit are set so that the dis play does not exceed a count value of 60 000 ZU lt I XP The decimal place and the counting unit are the same as for the maximum range value of the cal culated element Key lock function is available version 3 21 and later Exponential average Moving average Display resolution Accuracy 0 05 of reading 1 digit Note Within accuracy assured range 0 05 of rdg 1 digit for the measurement function parameters Input signal level is greater than or equal to 0 6 V voltage input 25 mV external input 5 mA 5 A input element or 150 mA 50 A input element and the signal is greater than or equal to 30 from 0 5 Hz to less than 440 Hz with zero crossing filter ON 10 from 440 Hz to 500 kHz or 30 from more than 500 kHz to 1 MHz of the measurement range However input signal level is 2 times for crest fac tor 6 OFF 500 Hz Integration Functions The integrating functions do not work during waveform acquisition or in har monic analysis mode ON Measured parameters Zero cross filter Power Wp positive only power Wp negative only power Wp current q positive only current q negative onl
14. factor 6 or less of lower range value while rms is 30 or less of rated value Measurement Functions Method Digital multiplication method Temperature 283 3 C Crest factor 3 Up to 300 in the valid input range 3 when inputting rated values of the measuring range However 2 for the 1000 V range Crest factor 6 Up to 600 in the valid input range 6 when inputting rated values of the measuring range However 4 for the 500V range Accuracy Frequency Voltage Current Accuracy reading error measurement range error Power Accuracy reading error measurement range error Conditions DC 0 1 of rdg 0 2 of rng 0 1 of rdg 0 2 of rng Temperature 23 3 C Humidity 30 to 75 RH Input waveform Sine wave Common mode voltage 0 V Line filter OFF Power factor cos 1 After warm up time has passed Wired condition after zero level compensation or range value change 3 month after calibration Unit for f in accuracy calculation formula is kHz 0 5 Hz lt f lt 10 Hz 0 1 of rdg 0 2 of rng 0 2 of rdg 0 3 of rng 10 Hz lt f lt 45 Hz 0 1 of rdg 0 1 of rng 0 1 of rdg 0 2 of rng 45 Hz lt f lt 66 Hz 0 1 of rdg 0 05 of rng 0 1 of rdg 0 05 of rng 66 Hz lt f 1 kHz 0 1 of rdg 0 1 of rng Voltage 5A input element current 0 2 of rdg 0 1 of rng direct input and external input 0 2 of rdg 0 1 of rng 50A input element
15. gory II Pollution degree 2 Emission Complying standard EN61326 Class A EN61000 3 2 EN61000 3 3 AS NZS 2064 Class A Immunity Complying standard EN61326 Annex A Warmup time Approximately 1 hour Operating temperature and humidity ranges 5 to 40 C 20 to 80 RH when not using the printer 5 to 40 C 35 to 80 RH when using the printer no condensation 25 to 60 C no condensation 2000 meters or less 50 MQ or higher at 500 VDC Between casing and power plug Between voltage input terminals ganged and casing Between current input terminals ganged and casing Between voltage input terminals ganged and cur rent input terminals ganged Between input terminals of each element Between torque speed input terminals ganged and casing Between torque input terminals ganged and speed input terminals ganged Between input terminals of each element 1500 VAC for one minute at 50 60 Hz Between casing and power plug 3700 VAC for one minute at 50 60 Hz Between voltage input terminals ganged and casing Between current input terminals ganged and casing Between voltage input terminals ganged and cur rent input terminals ganged Between input terminals of each element Rated supply voltage 100 to 120 VAC 200 to 240 VAC switches automatically Allowed supply voltage fluctuation range 90 to 132 VAC 180 to 264 VAC Rated supply frequency 50 60 Hz Allowed supply frequency fluctuation range 48 to 63 Hz Maximum 150 VA when using
16. igit 5 Vpk 1 Vp p or higher 50 duty ratio rectangular wave Frequency measurement range 2 Hz to 200 kHz Built in Printer optional B5 Printing method Dot density Paper width Effective recording width Recorded information Thermal line dot 8 dots mm 80 mm 72mm Screenshots list of measured values harmonic bar graph printouts settings Ethernet optional C1 0 Transmission method Ethernet 10BASE T Store interval Maximum 50msec waveform OFF to 99 hour 59 minutes 59 seconds Store interval is maximum approximately 620ms when waveform data acquisition is ON Guideline for Storage Time Waveform Display OFF Integration Function OFF Supported services FTP server FTP client LPR network printing SMTP automatic mail transfer DHCP DNS Electrical and mechanical specifications Connector Other As per IEEE802 3 RJ 45 connector Cannot be used for DIAdem and other protocols Built in Hard Disk optional C10 channel number items each channel store interval Measurable time 3ch 3 50ms 2 hours 50 minutes 3ch 10 1 second 22 hours 6ch 10 50ms 35 minutes 6ch 20 1 second 6 hours Note Depending on the user defined math integration and other settings the actual measurement time may be shorter than stated above D A Output optional DA D A conversion resolution Response time Output Voltage Update interval Numbe
17. near interpolation When you place the cursor on the waveform the value of that point is displayed Auto Normal Edge U1 11 U2 12 U3 13 U4 14 U5 15 U6 16 external Rising falling both 0 fixed Approximately 200 kHz 0 5 msec to 500 msec not to exceed 1 10 of dis play updating period The frequency that allows displaying of waveforms is up to approximately 10 kHz Trend Display Measurement item Horizontal axis Normal waveform OFF Normal waveform ON Harmonic measurement Scale Maximum 16 items 3 6 10 30sec 1 3 6 10 30min 1 3 6 12 24hour div 1 to 500 P div P div is the number of data points per grid section 1 to 500 Points div P div is the number of data points per grid section Auto Manual Internal Memory Internal memory size Approximately 11 MB The motor evaluation functions do not work in harmonic measurement mode Calculated parameters Measured parameters Torque rpms mechanical power synchronization speed slip motor efficiency total efficiency Analog input for calculating torque and rpms nput resistance Accuracy Approximately 1MQ 0 1 of rdg 0 2 of rng nput range values Effective input range Temperature coefficient Pulse input for rom calculation nput resistance Accuracy nput range Effective amplitude nput waveform 1 2 5 10 20 V Up to 110 of range value 0 03 of rng C Approximately 1MQ 0 05 of rdg 1 mHz 1 d
18. nit mm shown starting on the left side on the 13 5 50 50 50 back 14 5 50 50 50 50 15 5 50 50 50 50 50 20 5 5 21 5 5 50 22 5 5 50 50 23 5 5 50 50 50 24 5 5 50 50 50 50 30 5 5 5 31 5 5 5 50 32 5 5 5 50 50 33 5 5 5 50 50 50 40 5 5 5 5 41 5 5 5 5 50 42 5 5 5 5 50 50 50 5 5 5 5 5 51 5 5 5 5 5 50 60 5 5 5 5 5 5 Communication C1 GP IB functions C2 Serial RS 232 Power cord D UL CSA Standard F VDE Standard R SAA Standard Q BS Standard H GB Standard Option B5 Internal printer ification C7 SCSI interface Bie cr Ethernet HDD SCSI The TCP IP software used in this product and the documentation for that TCP IP soft r IDA 30 channel DA output ware are based in part on BSD Networking Software Release 1 licensed from The Re MTR__ Motor evaluation function gents of the University of California The WT1600 unit cannot be purchased without any elements Select an element type 5 A or 50 A and quantity Note In order to add elements and options after the WT1600 has been delivered the WT1600 must be modified at the factory Be aware of this in making your product selections For further details see Yokogawa s home page or contact our sales office Standard accessories Power cord Spare power fuse Rubber feet current input protective cover User s manual communication interface user s manual printer roll paper provided only with B5 36 pin connector provided only with DA The B9284LK external sensor c
19. nt When cos 0 45 Hz to 66 Hz 0 15 of apparent power reading is added to the above power accuracy For other frequencies Reference value For 5 A input element current direct input add 0 15 0 05 x f of apparent power reading to the above accuracy For 50 A input element current direct input add 0 15 0 3 x f of apparent power reading to the above accuracy For external input add 0 15 0 1 x f of apparent power reading to the above accuracy When 0 lt cos lt 1 add tan x influence of power factor 0 of power reading Effective input range Voltage current Rms and AC 1 to 110 of rated range value DC 0 to 110 of rated range value Mean 10 to 110 of rated range value Power DC measurement 0 to 110 of rated range value AC measurement Up to 110 of power range value with voltage and current within 1 to 110 of rated range value Sync source signal level must be 10 or more 20 or more for crest factor 6 of rated range value Effective input is in the range up to 1000V at Voltage 5A at 5A input element 50A at 50A input element and 10V at External input Accuracy of crest factor 6 Add the accuracy of measurement range error three months accuracy of crest factor 3 after calibration x 1 to the accuracy three months after calibration One year accuracy Add the accuracy of reading error three months after calibration x 0 5 to the accuracy three months after calibration
20. nt telephone harmonic factor UTIF voltage telephone influence factor ITIF current telephone influence factor HVF harmonic voltage factor HIF harmonic current factor FFT data length 8192 4096 or 2048 FFT processed word length 32 bits Window function Rectangular Anti aliasing filter Set by line filter fc 5 5 kHz PLL synchronization Count overflow Accuracy Timer accuracy Analyzed parameters Fundamental Sampling Window width relative to FFT data length Maximum frequency Hz frequency number of fundamental wave cycles analyzed orders 8192 4096 2048 10 f lt 20 f x 2048 4 2 1 100 20 f lt 40 f x 1024 8 4 2 100 40 f lt 75 fx 512 16 8 4 100 75 fe 150 f x 256 32 16 8 100 150 f lt 440 fx 128 64 32 16 50 440 f 1000 fx 64 128 64 32 25 External sampling clock Fundamental Sampling Window width relative to FFT data length Maximum frequency Hz frequency number of fundamental wave cycles analyzed orders 8192 4096 2048 0 5 f 100 f x 2048 4 2 1 100 However itis 1 f 100 when the FFT data length is 8192 Accuracy reading error measurement range error Line filter 5 5 kHz ON Voltage Current Power 0 4 of rdg 0 2 of rng 0 7 of rdg 0 3 of rng 0 4 of rdg 0 1 of rng 0 6 of rdg 0 2 of rng 0 5 Hz f lt 10Hz 10 Hz f lt 45 Hz Frequency Measurement Functions Measurement input Select three of the following U1 11 U2 12 U3 13
21. on or as a zero level correction in current and power DC accuracy relating to temperature changes following range value changes add 10 uA C to current and add 10 pA x voltage reading C to power for the 5 A input element For the 50 A input element add 1 mA C to current and add 1 mA x voltage reading C to power For external input add 0 05 scaling value A C to current and add 0 05 scaling value A x voltage reading C to power Current rms mean AC Accuracy figures are specified with line filter turned ON for 2 mA or less on a 5 A input element for 200 mA or less on a 50 A input element for 10 scaling value A or less on a external input Add 0 006 x I at 5 A input element Add 0 00006 x I at 50 A input element Add 0 1 of range if the display updating period is 50 msec All accuracy of 0 5 Hz to 10 Hz Reference values Voltage Reference values in cases where f Hz x voltage V gt 2 2 x 107 at 100 kHz or higher Current Reference values for 20 AAC or higher except for range of 50 Hz to 400 Hz or higher For currents less than 5 mA with frequencies above 1 kHz the current accuracy and the power accuracy figures are the reference values Add 20 of rng to the accuracy above for the accuracy of the waveform display data voltage peak Upk and current peak Ipk in the range up to 1 MHz Reference Value Effective input range of Upk and Ipk is within 300 within 600 for crest factor
22. r of outputs Accuracy Maximum output current Temperature coefficient Output format Frequency Integrated values Other parameters 12 bits At maximum two times the display update rate 5VF S for each rated value Same as the data update rate on the main unit 30 parameters each channel can be set separately display accuracy 0 2 of F S F S 5 V 0 1 mA 0 05 of F S C D A output Approximately 7 5V 5 0V 25V j 0 5V Display kHz value kHz 1001 10kHz 1MHz 0 5Hz 10Hz 1 1Hz 100Hz D A output Approximately fanann anana na a a lors 7 0V 1 BV is E E E T ee eee j Rated input Integration i time to values In standard integration continuous integration modes Timer set time In manual integration mode Integration D A output set time to s D A output Display value Output Approximately 7 5 V L ro 140 Approximately 7 0 V Approximately 7 0 V S 100 5 0 V i Ov 5 0V b y 100 5 0 V 140 Approximately 7 0 V to is 100 140 Display value 140 100 Note that PF and deg are not ri output beyond the range of 5 0 V If an error occurs approximately 7 5 V are i ouput tt An 5 0V 0 to 360 are output at 0 to 5 0 V LAG180 to LEAD180 are output at 5 0 V to 5 0 V 1 Approximately 7 0 V PEE SAA Approximately 7 5 V Capacity 10 GB 2 GBx5 IBM format SCSI ID 4 fixed External I O EXT CLK Sync source d
23. uring normal measurement PLL source or external sampling clock during harmonic analysis Connector BNC Input voltage TTL level EXT MEAS START external measurement start 1 0 EXT MEAS STOP external measurement stop 1 0 Connector BNC Synchronized measurement Connect the EXT MEAS START terminal of the master unit with the EXT MEAS START terminal of the slave unit and connect the EXT MEAS STOP terminal of the master unit with the EXT MEAS STOP terminal of the slave unit Internal floppy drive Size 3 5 inch Format 1 44 MB Communication functions GP IB or serial RS 232 provided as a standard function GP IB interface Electrical and mechanical specifications As per IEEE St d 488 1978 Functional specifications SH1 AH1 T6 L4 SR1 RL1 PRO DC1 DTO CO Protocol As per IEEE St d 488 2 1992 Serial RS 232 interface Connector Specification D Sub 9 pin EIA 574 specifications for 9 pin interface in EIA 232 RS 232 standard 1200 2400 4800 9600 19200 bps D Sub 15 pin VGA VIDEO OUT Transfer rate VGA video output Connector type Output format VGA compatible SCSI interface optional Specification SCSI Small Computer System Interface ANSI X3 131 1986 Connector D sub half pitch 50 pin pin type Connector pin assignments Unbalanced single end internal terminator 3 4 General Specifications Rack Mount Safety standard Complying standard EN61010 1 Overvoltage category Installation cate
24. y current q For current inte gration select only one of the following for each element rms mean DC AC time Time Mode Standard integration mode timer mode Continuous integration mode repeat mode Manual integration mode Individual element integration Integration can be started stopped element by ele ment using GP IB or serial RS 232 communications Timer Integration can be stopped automatically accord ing to a timer setting Setting range 0000h00min00sec to 10000h00min00sec If the integration value exceeds 999999 MWh MAh the elapsed time is saved and the op eration is stopped unit accuracy 0 05 of rdg 0 02 Harmonic Measurement Functions Measurements Select one of the following XA B C Method PLL synchronization or external sampling clock Measurement frequency range PLL synchronization Synchronization source fun damental frequency of 10 Hz to 1 kHz External sampling clock Fundamental wave of 0 5 Hz to 100 Hz Input 2048 times the fundamental frequency The waveform is a square wave with a duty cycle of 50 at the TTL level For each order U I P S Q A o U l OU ol phase difference of harmonic component relative to fun damental wave Z Rs Rp Xs Xp Total U I P S Q 6 X calculation of fundamental wave and total U P S Q and For each order Harmonic content of U I and P THD of U I and P UTHF voltage telephone harmonic factor ITHF curre
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