Yokogawa Clamp-On Power Analyzer, CW240
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CW240-D

Series: CW240 Clamp-On Power Analyzer Brand: Yokogawa Electric Corporation
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  • Power Cord - UL/CSA Standard

Specifications

Brand

Accuracy

  • ± 0.1 % of Reading ± 1-Digit - Frequency Measurement Function
  • ± 0.5 % of Full Scale - Analog Input & DA Output Functions
  • ± 1.5 % of Reading ± 1.5 % of Range - Harmonic Measurement Function
  • ± 2.0 % of Reading ± 1.5 % of Range - Harmonic Measurement Function
  • ± 20 ppm at Typical 23° C (73.4° F) - Integration Time & Real Time Accuracy
  • ± 3.0 % of Reading ± 1.5 % of Range - Harmonic Measurement Function

Applications

  • Electrical Equipment at Factories & Building
  • Food Processing at Factories & Building
  • Printing Machinery
  • Semiconductor Manufacturing Equipment

Approvals & Certifications

  • BS
  • CE
  • CSA
  • cULus Listed
  • SAA
  • VDE

Channels

  • 2-Channels - Number of Input Channels
  • 4-Channels - Number of Output Channels

Communication

  • Baud Rate: 1,200, 2,400, 4,800, 9,600, 19,200, 38,400 bit/sec
  • EIA RS-232

Consumption

  • 10 W Approximately (Normal Operation) - Max.
  • 20 W Approximately (During Charging of NiMH Battery Pack) - Max.
  • 30 VA Approximately (Normal Operation) - Max.
  • 60 VA Approximately (During Charging of NiMH Battery Pack) - Max.

Current

  • 20-3,600 Arms - Max.

Display

  • 4-Digits - Items Other Than Power Quantity
  • 5.7-inch STN Monochrome LCD Display (320 x 240 Dots) with Backlight
  • 6-Digit Display
  • Bar Graph
  • Vector

Electrical Connectors

  • D-Sub 9-Pin Connector - Communication Function

Frequency

  • 45 to 65 Hz - Fundamental Wave Frequency

Humidity

  • 30 to 75 % RH, 23° C (73.4° F) ± 5° C (± 9° F) - Accuracy Guarantee Temperature & Humidity Ranges
  • 5 to 80 % RH, Non-Condensing - Operating Temperature
  • 90 % RH, Non-Condensing - Storage Temperature

Input

  • 100 mV/1 V / 5 Vdc
  • 150-1,000 V
  • TTL Level or Contact - Control Input

Insulation Resistance

  • 50 MΩ at 500 Vdc or greater between Voltage Input Terminals & Case, between Voltage Input Terminals & Current Input Terminals / DC Power Terminals / External Interface Terminals

Measurement Accuracy

  • ± 1-Digit - Power Quantity & Demand Measurement Function

Measuring Range

  • 0 mVarh to 9,99,999 GVarh - Reactive Power Quantity (Lagging)
  • -0 mVarh to -9,99,999 GVarh - Reactive Power Quantity (Leading)
  • 0 mWh to 9,99,999 GWh - Active Power Quantity (Consumption)
  • -0 mWh to -9,99,999 GWh - Active Power Quantity (Regeneration)

Measuring Time

  • 20 ms Approximately - Sampling Rate

Operating Temperature

  • 5° to 40° C (41° to 104° F)

Output

  • ± 1 Vdc of the Rated Value for Each Range Power Quantity Depends on the Output Rate
  • TTL - Control Output

Power Requirement

  • 6 AA Alkaline Batteries
  • One NiMH Rechargeable Battery

Power Supply

  • 100-240 Vac, 50/60 Hz

Resistance

  • 1.3 MΩ Approximately - Input Resistance (Voltage)
  • 100 kΩ - Input Resistance (Current)
  • 22 ohms ± 5 % - Output Resistance

Resolution

  • Polarity + 11-bits

Storage Temperature

  • -20° to 60° C (-4° to 140° F)

Supply Voltage

  • 1,000 Vrms - Max.
  • 3.32 kVac RMS for One Minute (Sensed Current: 1 mA) between Voltage Input Terminals & Current Input Terminals / DC Power Terminals / External Interface Terminals
  • 5.55 kVac RMS for One Minute (Sensed Current: 1 mA) between Voltage Input Terminals & Case

Temperature Coefficient

  • ± 0.02 % of Full Scale/°C or Less - Analog Input & DA Output Functions
  • ± 0.03 % of Range/°C - Voltage
  • ± 0.05 % of Range/°C - Current

Update Time

  • 30 minutes or more - Warm-Up Time
  • Approximately 0.5 second - Display Updating Interval

Wiring

  • 2-Wire - Single-Phase
  • 3-wire - Single-phase, 3-phase
  • 4-wire - 3-phase

Documentation

Data Sheets

Product Manuals

View Product Series

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