Yokogawa Power Meter CW240

Clamp-on Power Meter CW240 : 

Clamp-on Power Meter CW240 New! The CW240 Finds your power quality problems!

Contents : 

Contents 1. Purpose of development 2. Position of CW240 3. Characteristics of CW240 　　1) Characteristics 　　2) Power management 　　3) Power Quality management 　　4) Meas. Phase/wiring 　　5) Multi wiring system 　　6) Leak current measurement 　　7) Analog I/O 　　8) Wiring & Wiring Check 　　9) Function 4. Comparison vs. Other CW series 5. Comparison vs. Hioki

CW Series : 

CW Series Power Quality Measurement CW340 ? DC + Inverter? Energy Saving Measurement To reduce Electric power To solve power quality problem CW1000? PQA?

Characteristics 1 : 

Characteristics 1 Electric Power Search & PQ Management Harmonics Simultaneous measurement of All items and save all data Demand Electric Energy Voltage Fluctuation Instantaneous Value

Characteristics 2 : 

V Range : 150/300/600/1000Ｖ A Range : Minimum 200.0mA（96036） 　　　　　　　 Maximum　3000A (96034/35) Measuring Mode: All items can be measured at the same time 　　　　　　　 Instantaneous Value (Wave form) / Electric Energy / Demand / Harmonics / Voltage Fluctuation Wiring 1 phase 2W, 1 phase 3W, 1 phase 3W3i (Neutral line current) 3 phase 3W2i, 3 phase 3W3i, 3 phase 4W,　 　　　　　　　　 3 phase 4W4i (Neutral line current) Multiple System Load Measurement: 1 phase 2W X2/ X3/ X4, 1 phase 3W X2, 3 phase 3W X2, 　　　　　　　　 Data Saving: PC Card, Internal Memory (1MB) Data Saving Interval: Standard 1/2/5/10/15/30 sec 1/2/5/10/15/30/60 min 　　　　　　　　　　 Short time　1 Cycle/0.1/0.2/0.5 sec (Only for Instantaneous Value) Function: Leak Current Analog I/O Wiring & Setting Check Display Hard Copy, Instantaneous Value Data Saving Characteristics 2

Electric Power Management 1 : 

Electric Power Management 1 -Display Instantaneous Value for each measurement item Each Phase Voltage/Current/Electric Power/Power Factor/Frequency /Phase Angle/Reactive Power/Apparent Power -Mean/Min/Max display for each measurement element -Standard interval of data Saving cycle starts from 1 second 　　1/2/5/10/15/30 sec, 1/2/5/10/15/30/60 min Instantaneous Value Measurement 1 45~65Hz

Electric Power Management 2 : 

Wave form display can be possible with short time interval 　　1 cycle (1 wave form) /0.1/0.2/0.5 sec -Measuring elements: Voltage, Current, Voltage & Current -Max 20 times zoom for vertical axis ( X1/3, X1/2, X１, X2, X5, X10, X20) -Data saved by binary form Electric Power Management 2 Instantaneous Value Measurement 2 V&A Waveform Current Waveform Voltage Waveform

Electric Power Management 3 : 

-Data Acquisition Time: 1/2/5/10/15/30 sec. 1/2/5/10/15/30/60 min. -Measuring Elements: Active power energy, Regenerative electric power energy, Lag reactive energy, Lag, Lead reactive energy -Measurement Range: Active Power Energy: Consumption 0.00000mWh ～ 999999GWh 　　　　　　　 Regenerative -0.00000mWh ～ -999999GWh Reactive Power Energy: Lag 0.00000mvarh ～ 999999Gvarh 　　　　　　　 Lead -0.00000mvarh ～ -999999Gvarh Electric Energy Measurement Electric Power Management 3

Electric Power Management 4 : 

-MAX Demand and Display its occurrence time -Measuring Elements: 1) Active Power, Reactive Power (Dead Time), Power Factor, 　　　　　　 2) Active Power Energy (Consumption & Regenerative), Reactive Power Energy (Lead & Lag） 3) MAX Demand value from the beginning of logging measurement, and Occurrence time Demand Measurement Electric Power Management 4

Slide 10: 

-Harmonics Analysis : 1 to 50th order -Display Data : List/Bar Graph(Linear/Log)/Vector -Measuring Elements : RMS Value/Content/Phase angle（Voltage for each order/Current/Electric Power） 　-Total Value（Total value of Voltage, Current, Electric power and Power factor) 　-Total relative harmonic content (Voltage, Current, THD-H or THD-Ｒ） Harmonics Measurement RMS Content Phase angle Changeable Linear/Log Electric Power Management 5

３．-3. Power Quality Management : 

３．-3. Power Quality Management -Voltage Dip, Voltage Swell and detect instantaneous power failure -Save data for Data of detection, Item, Channel, RMS and Detection period *Set threshold for voltage, and record when the value is going out of the set threshold Voltage fluctuation Date Item Swe：Swell Dip：Dip Int：Inst. Power failure Channel ０：Occurrence １：End RMS Detected period

３．-4. Phase & Wiring Measurement : 

３．-4. Phase & Wiring Measurement 3 Phase 3 Wire 　Add 3 current (3 wattmeter method) Measure current of each phase Measure each line voltage 1 Phase 3 Wire 3 Current / 3 Phase 4 Wire 4 Current 　　　Can be measure neutral line current（N Phase : Leak Current) 　　　　→Use CH４ to set Probe/Range 1P3W3i 3P4W4i Power supply Load Power supply Load

３．-5.Multi System Measurement（1/3） : 

３．-5.Multi System Measurement（1/3） -Simultaneous measurement of 1 phase 2W X4 system load (Common Voltage) -Clamp probe is settable for each system/Clamp Probe for each system load/Can be set current range 1 Phase 2W X 4 system measurement Power supply Load Load Load Load

３．-6. Leak Current Measurement : 

３．-6. Leak Current Measurement Leakage current measurement 2A Clamp Probe (96036) new release 200.0mA Range External magnetic field effect is less than 0.002A 1) Leakage current measurement for 1 to 4CH 2) When measuring 1 phase 3W3i or 3 phase 4W4i, 3) Possible to set Clamp/Range for CH4 (individual) Φ40mm uses 30031 sensor technology Setting is different from Ch1 to Ch3 Load Load Power supply

３．-7.Analog input/output : 

３．-7.Analog input/output Analog Output Data can be collected with electric power data （Range：100mV/1V/5V） 4CH output + 2CH input Temp/Lux/Flow/Pressure CW240 Voltage, Current, electric power etc. Analog Output Data from Thermometer/Lux meter which related to power measurement can be collected by CW240 4ch：±1VDC

３．-8. Wiring & Setting Check（1/2） : 

３．-8. Wiring & Setting Check（1/2） Check suitability of V/A input value, V/A phase difference, Phase difference between voltage, Phase difference between Current and Frequency Wiring Chart、Vector Chart display Wiring Check Function Voltage/Current input value Vector Diagram Reduce wiring error before the measurement!

３．-8.Wiring & Setting Check（2/2） : 

３．-8.Wiring & Setting Check（2/2） Setting Check Function Phase/Range etc. Can check setting condition with the display If you find mistake, you can go to setting display just by pushing setting button Saving　Item Start/End Measurement Prevent measurement failure and wiring error!

３．-9.Function（1/2） : 

３．-9.Function（1/2） Display Hardcopy, Instantaneous value Data Saving (1 push of button) 　　Display Hardcopy（ＢＭＰ format） 　　Can save instantaneous value 　　　Standard: ＣＳＶ format Short period: Binary format Prevent incorrect connection of Clamp Probe 　　(Also prevents connection of voltage probe) Magnification function for the display 　　 Displays magnification for set item 　　 Available for instantaneous value & electric power measurement item Backup Power Supply 　　Besides ＡC adapter, CW240 accepts NiMH battery, AA alkaline battery (x6)　 Multi Language display 　　 English/French/Spanish/Italian/German and Japanese Instantaneous value fining Display Hardcopy

３．-9. Function（2/2） : 

３．-9. Function（2/2） Software : ToolBox240 （Setting & Data Conversion Software） 　　 1) Setting of the main unit 2) Binary format (Convert waveform data to CSV format) 3) File Segmenting 4) 6 languages for the display Data will be saved in memory card or internal memory Data

４．Comparison vs. CW140 : 

４．Comparison vs. CW140

５．Comparison vs. Competition : 

５．Comparison vs. Competition

５． Comparison vs. Competition : 

５． Comparison vs. Competition Good Points of CW240 　1. Power Quality (Dip/Swell ＆ 50th Order Harmonics ） 　2. Leak Current Measurement（No effect from external magnetic field） 　3. Analog input/output 　4. Commonly used Clamp Probe 　5. Vector display of wiring error check 6. Data memory save/Waveform display start from 1 cycle 　7. Easy operation

Slide 23: 

SP price for CW240 (3P4W setting) CW240 + 96030 x 3 + Carrying　Case + Memory CARD(32MB) + NiMH battery = US$2,740 ６．Pricing

Thank you! : 

Thank you!