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WT500 Mid-Range Power Analyzer
Brand: Yokogawa Electric Corporation
The WT500 Power Analyzer excels at single- and three-phase power measurements.
Standard features include a color TFT display and USB interface for communications and memory.
The instrument has a basic power accuracy of 0.1%, maximum inputs of 1000 V, 40 A and a measurement bandwidth of DC to 100 kHz.
Features- Simultaneous measurement of DC and AC signals
- Evaluation of DC/AC signal conversion technology is critical in the renewable energy market. With input from 2 or more elements, the WT500 can measure DC and AC signals simultaneously and calculate input-to-output efficiency.
- Separate integration functions for charge/discharge and bought/sold power
- The WT500 is equipped with integration functions that can not only evaluate charge and discharge current such as from secondary cells, but also bought and sold power in photovoltaic power generation systems.
- Saving measured data directly to USB memory
- Measured data can be saved in CSV format directly to USB memory.
- Easy setup with cursor keys
- Menu-type screen offers intuitive setting.
- Simultaneous measurement of normal data and harmonic data with the harmonic measurement, /G5 option
- RMS voltage, RMS current, power values, and harmonic components up to the 50 order can be measured simultaneously.
- WT series for power evaluation of energy-saving equipment
- The WT series have been used as powermeters for Green IT, Energy Star, CO2 reduction and other energy-saving equipment. The WT series-Including the WT500--supports your power evaluation needs.
Specifications
Accuracy
- ± 0.02 % of Reading - Time Accuracy
- ± 0.06 % of Reading
- ± 0.1 % - Basic Accuracy
- 0.1 % of Reading + 0.1 % of Range - Basic Power Accuracy (50/60 Hz)
- 1 to 110 % - Guaranteed Accuracy Range for Voltage & Current Ranges
- Line Filter is OFF (Power): ± (0.25 % of Reading + 0.5 % of Range) to ± (6 % of Reading + 0.5 % of Range)
- Line Filter is OFF (Voltage & Current): ± (0.15 % of Reading + 0.35 % of Range) to ± (3 % of Reading + 0.35 % of Range)
- Line Filter is ON (Power): ± (0.85 % of Reading + 0.5 % of Range) to ± (10 % of Reading + 0.5 % of Range)
- Line Filter is ON (Voltage & Current): ± (0.4 % of Reading + 0.35 % of Range) to ± (5 % of Reading + 0.35 % of Range)
Approvals & Certifications
- BS
- CE
- CSA
- IEEE
- SAA
- UL
- VDE
Bandwidth
- DC, 0.5 to 100,000 Hz - Measurement Power Bandwidth
Channels
- 1 - Number of Measurement Channel
- 2 - Frequency
- 3 - Number of Measurement Channels
Communication
- 100 Mbps - Transmission Rate
- DHCP
- Ethernet
- FTP
- GPIB
- TCP/IP Protocols
- USB
Consumption
- 80 VA (When Using Built-in Printer) - Max.
Conversion Time
- 10 µs
Display
- 5.7” TFT Color LCD
- 640 x 480 Pixels
- 99,999 - Max.
- Bar Graph
- Numerical Values
- Trend
- Vector
- Waveform
Electrical Connectors
- BNC Connector
- D-Sub 15-Pin Connector
- Plug-In Connector
- RJ45 Connector
- Typical A Connector
- Typical B Connector
Frequency
- 0.0001 Hz - Min. Frequency Resolution
- 0.5 to 100,000 Hz at 23° ± 5° C (73.4° ± 9° F)
- 10 to 1,200 Hz - Fundamental Frequency
- 10 to 2,500 Hz - Sampling Frequency
- 48 to 63 Hz - Allowed Supply Frequency Fluctuation
- 50/60 Hz - Rated Supply Frequency
Function
- Rectangular - Window Function
Humidity
- 20 to 80 % Relative Humidity, Non-Condensing
Input
- 0.5-40 A - Direct Input
- 1,000 V, Max.
- 1,000 Vrms, Max.
- 25 mV-5 V - for Crest Factor 6 (External Sensor Input)
- 250 mA-20 A - for Crest Factor 6 (Direct Input)
- 40 Arms - Max.
- 50 mV-10 V - for Crest Factro 3 (External Sensor Input)
- 500 mA-40 A - for Crest Factor 3 (Direct Input)
- 600 V (Rated Voltage of EN 61010-2-030 Standard) - Rated Voltage to Ground for Current Input Terminals & External Current Sensor Input Connector
- 600 Vrms (Rated Voltage of EN 61010-2-030 Standard) - Continuous, Max.
- Floating Input
- Peak Current of 100 A or RMS of 45 A, whichever is Lower - Continuous, Max.
- Peak Current of 150 A or RMS of 45 A, whichever is Lower - Instantaneous, Max.
- Peak Current of 450 A or RMS of 300 A, whichever is Lower - Instantaneous, Max.
- Peak Voltage of 1.5 kV or RMS of 1 kV, whichever is Lower - Continuous, Max.
- Peak Voltage of 2 kV or RMS of 1.5 kV, whichever is Lower - Instantaneous, Max.
- Peak Voltage of 2.8 kV or RMS of 2 kV, whichever is Lower - Instantaneous, Max.
- TTL
Input Impedance
- Approximately 100 kiloohms - External Sensor Input for Current
- Approximately 2 megaohms, 13 PF - for Voltage
- Approximately 5 milliohms + Approximately 0.1 μH - Direct Input for Current
Measuring Range
- 15-1,000 V - for Crest Factor 3 (Voltage)
- 7.5-500 V - for Crest Factror 6 (Voltage)
Operating Temperature
- 5° to 40° C (41° to 104° F)
Output Format
- VGA Compatible
Power Supply
- 5 V, 500 mA (Per Port)
- Self Power
Pulse Range
- 1 microsecond
Resolution
- 0.0001 Hz - Min. Frequency Resolution
- 16-bits - A/D Converter
Sample Rate
- Approximately 100 KS/s
Storage Temperature
- -25° to 60° C (-13° to 140° F)
Supply Voltage
- 100-240 Vac
- 90-264 Vac - Allowed Supply Voltage Fluctuation Range
System Requirements
- Windows® 2000 - Models with Standard USB Ports that Run
- Windows® Vista with USB Port
- Windows® XP
Temperature Coefficient
- ± 0.03 % of Reading/°C at 5° to 18° C (41° to 64.4° F) or 28° to 40° C (82.4° to 104° F)
Update Time
- 100 to 5,000 milliseconds