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Yokogawa AAR181-S50 RTD Input Module

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About the Product

📏 Technical Specifications

Parameter Value
Model AAR181-S50
Number of Input Channels 12, individually isolated
Input Signal Types RTD: Pt100 (3-wire type)
Switching Input Signals CH1 to CH12 (RTD inputs)
Allowable Input Voltage ±5 V
Withstanding Voltage 1500 VAC (between input and system, 1 min)
Input Resistance ≥2 MΩ (both Power ON and OFF)
Accuracy RTD: ±120 mΩ
Measurement Current RTD: 1 mA
Temperature Drift ±120 mΩ/10°C (RTD input)
Data Update Period 1 second (all channels)
Burn-out Detection Optional (UP/DOWN), 60 seconds
Maximum Current Consumption 450 mA (5V DC)
Weight 0.2 kg
External Connection Pressure clamp terminal
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