Overview
The YOKOGAWA AAR181-S03 RTD Input Module is designed for precise temperature measurement in advanced industrial systems. It offers 12 isolated input channels, supporting both thermocouples and RTDs for versatile configurations. The module ensures high signal accuracy, reliable performance, and compliance with JIS and IEC international standards. Moreover, its compact and durable construction allows stable operation even in demanding environments.
Functional Highlights
The AAR181-S03 delivers accurate and consistent readings with minimal drift. Its 1-second data update rate enables real-time temperature monitoring across multiple channels. In addition, the built-in isolation and burn-out detection functions improve system safety and reliability.
Key Features:
- 12 isolated channels for RTD and thermocouple signals
- Exceptional accuracy: ±30 µV (TC), ±120 mΩ (RTD)
- Fast update period of 1 second
- Reference junction compensation within ±1 °C
- Burn-out detection with UP/DOWN settings
- Withstanding voltage up to 1500 V AC
- Compact design with only 0.2 kg weight
Technical Specifications
| Parameter | Details |
|---|---|
| Model | AAR181-S03 |
| Type | Temperature Input Module |
| Input Channels | 12 isolated |
| Input Signal Types | Thermocouple (TC), RTD (Pt100, 3-wire) |
| Compliant Standards | JIS C1602, IEC 584 (TC); JIS C1604, IEC 751 (RTD) |
| Allowable Input Voltage | ±5 V |
| Withstanding Voltage | 1500 V AC for 1 minute |
| Input Resistance | ≥2 MΩ (Power ON/OFF) |
| Accuracy (TC/RTD) | ±30 µV / ±120 mΩ |
| Measurement Current (RTD) | 1 mA |
| Temperature Drift | ±80 µV/10 °C (Voltage input) |
| Power Supply | 5 V DC, 450 mA max |
| Weight | 0.2 kg |
| Connection Type | Pressure clamp terminal |
| Operating Temperature | -20 to 70 °C (G3 option) |
This technical configuration allows stable performance under variable industrial conditions, ensuring accurate measurements across wide temperature ranges.
Typical Applications
The AAR181-S03 is widely used in factory automation and process control systems, where high-precision temperature monitoring is essential. It integrates seamlessly into DCS and PLC systems, ensuring stable performance and easy maintenance.
Common Application Areas:
- Process temperature monitoring in power and chemical plants
- Industrial ovens, furnaces, and kilns
- Environmental testing equipment
- Multi-channel data acquisition and control systems
In addition, its G3 environmental protection option ensures durability against dust, humidity, and vibration, making it ideal for harsh field conditions.
FAQ
Q1: Is the YOKOGAWA AAR181-S03 original and new?
Yes, we only supply brand-new, original YOKOGAWA AAR181-S03 modules with manufacturer verification.
Q2: How soon can I receive the order?
We keep ready stock for most units. Orders are shipped within 3 days to 2 weeks, depending on quantity, via DHL, FedEx, or UPS.
Q3: What if the module has a quality issue?
You can return or exchange the product within 30 days if any quality issue is confirmed after delivery.
Q4: Can it handle both thermocouple and RTD inputs?
Yes. Each of the 12 channels supports isolated RTD inputs, and the module fully complies with JIS and IEC temperature standards.
Details
| Weight | 0.2 kg |
|---|
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