Technical Specifications Input frequency: 2 Hz–20 kHz; input amplitude: 50 mV–30 V AC; output: 4–20 mA, 500 Ω max load; accuracy: ±0.2% FSO; supply: 24 V DC ±10%; operating temp: -40 °C to +85 °C; IP20.
Functional Features Wide frequency range; proportional 4–20 mA output; adjustable zero and span; signal loss detection; low ripple output.
Application Scenarios Engine speed indication, turbine speed transmission to DCS, speed recording, analog speed control loops.
Performance Parameters Linearity: ±0.2% full scale; response time: < 20 ms; ripple: < 0.5% FSO.
Material Composition Industrial plastic housing; precision frequency measurement circuit; analog output stage; screw terminals.
Structural Characteristics Rack plug-in module; front status LED; rear terminal block; zero/span adjustments.
Working Principle Measures input signal frequency, converts it to a proportional 4–20 mA analog signal for speed indication and control system integration.
Installation Requirements Mount in control rack; connect speed input and analog output; calibrate zero and span.
Usage Notes Use shielded input cable; calibrate with reference frequency counter; verify output with calibrated meter.
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