
WT333 Yokogawa Digital Power Meter, DC - 100 KHz, 20A, 3 Ch.
The Yokogawa WT333 Digital Power Meter provides a wide current input range, fast display, and rapid data update rate in a compact and powerful instrument.
- Product Introduction
Overview and Features
The Yokogawa WT333 Digital Power Meter provides a wide current input range, fast display, and rapid data update rate in a compact and powerful instrument. High performance and reliable power measurement make it the preferred power meter in numerous industries from production lines to R&D applications.
Features and Specifications of the Yokogawa WT333 Digital Power Meter include:
● Features:
● High Performance and Reliability:
● Basic accuracy of 0.1% of reading
● Low current measurement
● Wide current input ranges
● Standard USB, and GP-IB or RS-232 (selectable) and Ethernet (optional)
● Simultaneous Measurement of All Parameters:
● Measures all AC and DC parameters
● Measures harmonics and performs integration simultaneously without changing the measurement mode
● Uses WTViewrFreePlus software to monitor and save parameters
● Fast Display and Data Update Rate:
● Provides short tact time in testing procedures
● Consistent basic measurement accuracy for all input ranges
● Convenient Measurement Functions:
● MAX Hold Function: Allows maximum values of RMS/PEAK voltage and current active power, reactive power and apparent power to be held
● Line Filter and Frequency Filter Functions: Cuts off unnecessary noise and harmonic components for fundamental waveform measurements
● Specifications:
● Input Terminal Type:
● Voltage: Plug-in terminal (safety terminal)
● Current: Direct input: Large binding post
● Input Format:
● Voltage: Floating input through resistive voltage divider
● Current: Floating input through shunt
● Measurement Range:
● Voltage:
● Crest factor 3: 15V/30V/60V/150V/300V/600V
● Crest factor 6: 7.5V/15V/30V/75V/150V/300V
● Current:
● Direct input:
● Crest factor 3: 0.5A/1A/2A/5A/10A/20A
● Crest factor 6: 0.25A/0.5A/1A/2.5A/5A/10A
● External current sensor input (/EX1,/EX2):
● Crest factor 3:
● EX1: 2.5V/5V/10V
● EX2: 50mV/100mV/200mV/500mV/1V/2V
● Crest factor 6:
● EX1: 1.25V/2.5V/5V
● EX2: 25mV/50mV/100mV/250mV/500mV/1V
● Input Impedance:
● Voltage:
● Input resistance: Approx. 2 MΩ
● Input capacitance: Approx. 13 pF in parallel with the resistance
● Current:
● Direct input:
● Crest factor 3: 0.5A/1A/2A/5A/10A/20A
● Crest factor 6: 0.25A/0.5A/1A/2.5A/5A/10A
● Input resistance: Approx. 6 MΩ
● Input inductance: Approx. 1uH in serieswith the resistance
● External current sensor input (/EX1):
● Crest factor 3: 2.5V/5V/10V
● Crest factor 6: 1.25V/2.5V/5V
● Input resistance: Approx. 100kΩ
● External current sensor input (/EX2):
● Crest factor 3: 50mV/100mV/200mV/500mV/1V/2V
● Crest factor 6: 25mV/50mV/100mV/250mV/500mV/ 1V
● Input resistance: Approx. 20kΩ
● General Specifications:
● Rated supply voltage: 100 VAC to 240 VAC
● Permitted supply range voltage: 90 VAC to 264 VAC
● Rated supply frequency: 50/60 Hz
● Permitted supply voltage frequency range: 48 Hz to 63 Hz
● Maximum power consumption: 70VA
● Battery backup: Setup parameters are backed up with a lithium battery





