QPV Frequency Transducer
Inquire Now#### **Description**
The QPV Frequency Transducer is a cutting-edge device designed to convert both AC and DC voltage or current inputs into a load-independent output signal. Engineered for exceptional temperature characteristics and stability, this transducer utilizes the root mean square (RMS) measurement method, allowing it to perform accurately even with distorted waveforms. It adheres to the IEC 60688 standard and meets the insulation requirements of IEC 60255-5, ensuring reliable operation in various environments. With advancements in circuit design and materials, the QPV Frequency Transducer boasts improved measurement accuracy and operational stability compared to previous models.
#### **Specifications**
| 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 | -10~55°C |
| Storage | -40~70°C, 20 ~ 93%RH; Non-condensing |
#### **Additional Information**
Features:
- Accuracy 0.5 class
- 85~265VAC wide voltage AUX for most countries
- 4 channel output supporting a maximum of 22 types of parameters for analog output
- Front panel with 4 keypads for analog parameter configuration without the need for extra software
- RS-485 port for remote electrical data
- 500ms response time
- 35mm Din rail mounting
- Advanced electrical parameters ready optional
- SOE function optional
Application:
- Instrumentation panels
- Control systems
- Electrical distribution panels
- Transmission systems and generators
- SCADA systems
