Product Specification

CR4820 Average RMS Voltage Transducers and Transmitters are designed to provide a DC output proportional to the AC voltage input. These devices are best suited for general applications, such as fixed frequency voltage supplies.

CR4820 Average RMS AC Voltage Transducer Features
? 35mm DIN rail mount or panel mount
? 4-20 mA DC output
? 24 Vdc powered
? Outputs isolated from inputs
? Connection diagram printed on case

CR4820 Average RMS AC Voltage Transducer Specifications
? Basic Accuracy: 0.5%
? Calibration: Average RMS sensing
? Thermal Drift: 500 PPM/°C
? Operating Temperature: 0°C to +60°C
? Installation Catagory: CAT II
? Polution Degree: 2
? Response Time: 250 ms
? Altitude: 2000 meter max.
? Insulation Voltage: 2500 Vdc
? Supply Voltage: 24 Vdc ±10%
? Frequency Range: 20 Hz - 5 KHz
? Cleaning: Water-dampened cloth
? MTBF: Greater than 100 K hours
? Output Load: 0-5 Vdc - 2 K Ω or greater 4-20 mA dc - 0 to 300 Ω
? Relative Humidity: 80% for temperatures up to 31°C and decreasing linearly to 50% at 40°C

CR4820 Average RMS AC Voltage Transducer Applications
? Monitor Motor Faults
? Monitor Heating Elements
? Monitor Lighting Elements
? Remote Voltage Sensing

CR4820 Average RMS AC Voltage Transducer PART NUMBERS