Frequency Transducer
QPV Frequency Transducer
QPV Frequency Transducer

QPV Frequency Transducer

The QPV Frequency Transducer converts both AC and DC voltage or current inputs into an output signal that remains independent of the load. It exhibits outstanding temperature characteristics and maintains excellent operational stability. The output signal is derived from the root mean square (RMS) measurement of the input signal, enabling the transducer to effectively function even with distorted waveforms. This unit complies with IEC 60688 standards and meets the insulation requirements outlined in IEC 60255-5, specifically clauses 5, 6, and 8. Additionally, it successfully passes the high-frequency disturbance test as per IEC 60255-22 for Class III test voltage.

Compared to previous transducers, the QPV Power Transducer, incorporating new technologies and materials, has seen significant improvements in its circuitry, processes, structure, and more, resulting in higher measurement accuracy and increased operational stability.

Contact us
Category:

Features of QPV Frequency Transducer

  • Accuracy of 0.5 class
  • Supports a wide voltage range of 85~265VAC suitable for most countries
  • Features four-channel output capability, accommodating up to 22 types of parameters for analog output
  • Equipped with a front panel containing four keypads for configuring analog parameters, eliminating the need for additional configuration software
  • Includes an RS-485 port for remote access to electrical data
  • Achieves a rapid 500ms response time
  • Designed for easy installation on a 35mm DIN rail
  • Offers optional advanced electrical parameter readiness
  • Provides an optional Sequence of Events (SOE) function

 

Application of QPV Frequency Transducer

  • Panels for instrumentation
  • Systems for control
  • Panels for electrical distribution
  • Generators and transmission systems
  • Systems for SCADA

 

Specification of QPV Frequency Transducer

Signal Inputs
Input rating 0-100V, 0-220V, 0-380V
Overload 1.2 times rated continuous;
5sec @ 10 times of rated current
1sec @ 2 times of rated voltage
Burden 0.5VA
Measurement Output
Standard outputs 4~20mA or 0~5V
(others on request) 0~20mA;
5~10V;
0~10V;
Ripple <0.5% peak to peak
Load Resistance Current output: 0<Lr<510Ω;
Voltage output: Lr>10KΩ
Measurement Accuracy
Reference IEC 60688 0.5% or 0.2% @ F.S.
Adjustment Potentiometer “ZERO” and “SPAN”
“T” types no need extra adjustment
Frequency influence <0.02% per Hz
Load influence <0.25% of F.S. for specific load range
Auxiliary Supply
Rating 85-265Vac/dc,
Optional 12V, 24V, 48VDC
Consumption <3VA
Galvanic isolation between I/O and AUX
Test voltage 2KV RMS 50Hz for 1 minute
impulse 4KV 1.2/50µsec waveform
Temperature requirements
Operating -10~55C
Storage -40~70C, 20 ~ 93%RH; Noncondensing

Related products