RMA42 – Programmable Transmitter for Universal Inputs
The Endress+Hauser RMA42 is a versatile programmable transmitter that accepts virtually any sensor input type. It converts the sensor signal to a standard 4–20 mA output for integration with any control system.
Key Features
- Universal inputs: RTD (PT100/PT1000), TC (J/K/N/S/B/R), mA (0/4–20 mA), mV (0–100 mV), potentiometer
- Output: 4–20 mA (active/passive)
- Optional: 2 relay outputs
- Accuracy: ±0.1% of span
- Ambient temperature: −20 to +60 °C
- Panel mounting (96 × 48 mm) or DIN rail
- Local display: 5-digit LCD
- Protection: IP65 (front)
- Power supply: 85–265 V AC or 20–55 V DC
Applications
Universal signal conversion, temperature measurement, process value display, signal conditioning for any sensor type.
Technical Specifications
| Parameter | Value |
|---|---|
| Inputs | RTD, TC, mA, mV, potentiometer |
| Output | 4–20 mA (active/passive) |
| Relay outputs | 2 (optional) |
| Accuracy | ±0.1% of span |
| Mounting | Panel (96 × 48 mm) or DIN rail |
| Protection class | IP65 (front) |
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