!9# CR Magnetics CR4120-50 True RMS AC Current Transducer with Single Element, 20 - 4 KHz, 0 - 300 Output Load, 24 VDC +/-10%, 0-50 AAC Input Range, 4 - 20 mADC Output Range
The CR4120 series true RMS current transducers and transmitters are designed for applications where AC current waveforms are not purely sinusoidal. More precise and accurate than other transducers, these devices are ideal in chopped wave and phase fired control systems. Frequency range: 20 - 4 KHz. Basic accuracy: 0.5 percent. Output Load - 0-5 VDC : 2K Ωhm or greater. Power Source: 24 VDC. Insulation voltage: 2500 VDC. Response time: 250 ms. MTBF: greater than 100 K hours. Operating temperature: 0 degree C to +50 degree C. Thermal drift: 500 PPM/ degree C. Calibration: true RMS sensing. 4-20 mA DC: 0 - 300 Ω. Installation category: CAT II. Polution degree: 2. Insulation voltage: 2500 VDC. Altitude: 2000 meter maximum. Cleaning: water-dampened cloth. Response time: 250 ms maximum 0-90 percent. FS Relative humidity: 80 percent for temperatures up to 31 degree C and decreasing linearly to 50 percent at 40 degree C. Torque Specification: 3.0 inch lbs. (0.4Nm). Supply current: typical 25mA, Max 40mA.
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