WT3000 Precision Power Analyzer

The WT3000 is the ideal measurement solution for applications such as product efficiency testing, engineering, R&D work on inverters, motor drives, lighting systems and electronic ballasts, UPS systems, aircraft power systems, transformer testing and other power conversion devices. 
 
With basic power accuracy of ±0.02% reading, DC and 0.1 Hz-1 MHz measurement bandwidths, and up to four input elements, the WT3000 provides higher-accuracy measurement of I/O efficiency.
 
Basic accuracy: 0.01% of reading
Basic power accuracy: 0.02% of reading
2A current input element
Good readability: The large, 8.4-inch LCD and the range indicator LEDs
Simultaneous measurement with 2 units (8 power input elements)
Store function: 50 ms data storing interval
Interface: GP-IB, Ethernet, RS-232 and USB
Advanced computation function: Waveform computation, FFT analysis, waveform sampling data saving.
IEC61000-3-2 and IEC61000-3-12: Harmonic measurement  Update!
IEC61000-3-3 and IEC61000-3-11: Voltage fluctuation / flicker measurement
 

More Bandwidth. More Features.

The WT3000 is a truly innovative measurement solution, combining top-level measurement accuracy with special functions.*
The large, 8.4-inch liquid crystal display and the range indicator LEDs ensure good readability and make the system easy to use. 
 

Have you had problems or questions such as these?

When working with efficiency-improvement evaluation data for a high-efficiency motor, improvements cannot be seen unless measurements are taken with very high precision.
Measurement efficiency is poor during power measurements and power supply quality measurements.
You measure voltage using mean values out of habit, and are wondering if that is really the best approach.
 

Better Efficiency in Power Measurements

In developing the WT3000, Yokogawa focused on improving efficiency in two basic areas. One goal was to obtain highly precise and simultaneously measurements of the power conversion efficiency of a piece of equipment. The other objective was to improve equipment evaluation efficiency by making simultaneous power evaluations and tests easier and faster.
 

New Innovations to Enhance the Reliable Measurement Technology

The Yokogawa WT2000 was very popular with users and considered highly reliable because of its high precision and excellent stability. The WT3000 is based on a measurement system which combines the measurement technology used in the WT2000 as well as other WT Series models. With the WT3000, we made further improvements to the basic performance specifications for even better functionality and reliability. We are confident users will appreciate these improvements to power and efficiency measurements thanks to the new power control technologies we have introduced.
 

A Variety of External Interface Choices

The WT3000 is the first model in the WT Series which is standard- equipped with a PC card slot (ATA flash card slot). This interface allows data to be saved quickly, so data processing time is reduced. The WT3000 is also standard-equipped with a GP-IB port. In addition, a serial (RS-232) port, Ethernet port, and USB port are available as options. The variety of interface choices allows customers to use the best interfaces for a wide variety of equipment, media, and network environments.
 

Select the model most suited to your measurement needs

Standard Version
 
-Basic power accuracy: ±(0.02% of reading + 0.04% of range)

High accuracy and wide frequency range
Frequency range: DC, 0.1 Hz to 1 MHz 

-Low power factor error
Power factor error when cosø=0: 0.03% of S

S is reading value of apparent power
ø is phase angle between voltage and current
 
-Current range
Direct input: 0.5/1/2/5/10/20/30 [A] or 5/10/20/50/100/200/500 [mA], 1/2 [A]
*Models with input elements supporting current output type current sensors are planned for release
 
-External input
 50m/100m/200m/500m/1/2/5/10 [V]*
 
-Voltage range
 15/30/60/100/150/300/600/1000 [V]*
 * Voltage range and current range are for crest factor 3
          o 1000 [Vrms] Continuous maximum common mode voltage (50/60 Hz)
          o Data Update rate: 50 ms to 20 sec
          o Effective input range: 1% to 130%
          o Simultaneously measurement with 2 Units
          o Standard PC card slot
 
Motor Version
 
-Calculation of motor and total efficiency
 In addition to the functions of the standard version, the new models offer powerful motor/inverter evaluation functions
 
-Voltage, current, and power measurement with torque and speed input
 Measures torque meter and speed sensor output (analog or pulse output), and allows calculation of torque, revolution speed, mechanical power, synchronous speed, slip, motor efficiency, and total efficiency in a single unit.
 

Rear Panel

Standard Features

1. Voltage input terminals
2. Current external sensor input terminals
3. Current direct input terminals
4. GP-IB port
5. BNC connector for two-system synchronized measurement
 
Optional Features
1. Serial (RS-232) port (option/C2) or USB port (option/C12)
2. Ethernet port (100BASE-TX/10BASE-T) (option/C7)
3. VGA port (option/V1)
4. D/A output (option/DA)
5. Torque and speed input terminals (motor version)
 
The WT3000 is the ideal measurement solution for applications such as product efficiency testing, engineering, R&D work on inverters, motor drives, lighting systems and electronic ballasts, UPS systems, aircraft power systems, transformer testing and other power conversion devices. 
 
With basic power accuracy of ±0.02% reading, DC and 0.1 Hz-1 MHz measurement bandwidths, and up to four input elements, the WT3000 provides higher-accuracy measurement of I/O efficiency.
Basic accuracy: 0.01% of reading
Basic power accuracy: 0.02% of reading
2A current input element
Good readability: The large, 8.4-inch LCD and the range indicator LEDs
Simultaneous measurement with 2 units (8 power input elements)
Store function: 50 ms data storing interval
Interface: GP-IB, Ethernet, RS-232 and USB
Advanced computation function: Waveform computation, FFT analysis, waveform sampling data saving.
IEC61000-3-2 and IEC61000-3-12: Harmonic measurement  Update!
IEC61000-3-3 and IEC61000-3-11: Voltage fluctuation / flicker measurement More Precise. More Bandwidth. More Features.
The WT3000 is a truly innovative measurement solution, combining top-level measurement accuracy with special functions.*
The large, 8.4-inch liquid crystal display and the range indicator LEDs ensure good readability and make the system easy to use.
Have you had problems or questions such as these?
When working with efficiency-improvement evaluation data for a high-efficiency motor, improvements cannot be seen unless measurements are taken with very high precision.
Measurement efficiency is poor during power measurements and power supply quality measurements.
You measure voltage using mean values out of habit, and are wondering if that is really the best approach.
Better Efficiency in Power Measurements
In developing the WT3000, Yokogawa focused on improving efficiency in two basic areas. One goal was to obtain highly precise and simultaneously measurements of the power conversion efficiency of a piece of equipment. The other objective was to improve equipment evaluation efficiency by making simultaneous power evaluations and tests easier and faster.
New Innovations to Enhance the Reliable Measurement Technology
 
The Yokogawa WT2000 was very popular with users and considered highly reliable because of its high precision and excellent stability. The WT3000 is based on a measurement system which combines the measurement technology used in the WT2000 as well as other WT Series models. With the WT3000, we made further improvements to the basic performance specifications for even better functionality and reliability. We are confident users will appreciate these improvements to power and efficiency measurements thanks to the new power control technologies we have introduced.
A Variety of External Interface Choices
The WT3000 is the first model in the WT Series which is standard- equipped with a PC card slot (ATA flash card slot). This interface allows data to be saved quickly, so data processing time is reduced. The WT3000 is also standard-equipped with a GP-IB port. In addition, a serial (RS-232) port, Ethernet port, and USB port are available as options. The variety of interface choices allows customers to use the best interfaces for a wide variety of equipment, media, and network environments.
Standard Version
High accuracy and wide frequency range
Basic power accuracy
±(0.02% of reading + 0.04% of range)
frequency range
DC, 0.1 Hz to 1 MHz
Low power factor error
Power factor error when cosø=0
0.03% of S
S is reading value of apparent power
ø is phase angle between voltage and current
Current range
Direct input
    0.5/1/2/5/10/20/30 [A] or 5/10/20/50/100/200/500 [mA], 1/2 [A]
    *Models with input elements supporting current output type current sensors are planned for release
External input
50m/100m/200m/500m/1/2/5/10 [V]*
Voltage range
    15/30/60/100/150/300/600/1000 [V]*
    * Voltage range and current range are for crest factor 3
o 1000 [Vrms] Continuous maximum common mode voltage (50/60 Hz)
o Data Update rate: 50 ms to 20 sec
o Effective input range: 1% to 130%
o Simultaneously measurement with 2 Units
o Standard PC card slot
Motor Version
Calculation of motor and total efficiency 
In addition to the functions of the standard version, the new models offer powerful motor/inverter evaluation functions
Voltage, current, and power measurement with torque and speed input 
Measures torque meter and speed sensor output (analog or pulse output), and allows calculation of torque, revolution speed, mechanical power, synchronous speed, slip, motor efficiency, and total efficiency in a single unit.
Rear Panel
Standard Features
1. Voltage input terminals
2. Current external sensor input terminals
3. Current direct input terminals
4. GP-IB port
5. BNC connector for two-system synchronized measurement
Optional Features
1. Serial (RS-232) port (option/C2) or USB port (option/C12)
2. Ethernet port (100BASE-TX/10BASE-T) (option/C7)
3. VGA port (option/V1)
4. D/A output (option/DA)
5. Torque and speed input terminals (motor version)


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