TMT71 – Head-Mounted Temperature Transmitter
The Endress+Hauser TMT71 is a compact transmitter designed to mount directly inside standard DIN Form B connection heads. It converts RTD and thermocouple signals to a standardized 4–20 mA HART output for direct integration with control systems.
Key Features
- Head-mounted (DIN Form B, 43 mm diameter)
- Sensor inputs: PT100, PT500, PT1000, Ni100, Type J/K/N/R/S/T/B/E
- Output: 4–20 mA / HART 7
- Accuracy: ±0.1 °C (PT100)
- Ambient temperature: −40 to +85 °C
- Galvanic isolation
- Dual-sensor input with sensor backup
- SIL 2 capable
- Explosion protection: ATEX, IECEx, FM, CSA
Applications
Direct field installation in connection heads, chemical processing, oil and gas, power generation, food and beverage, pharmaceutical.
Technical Specifications
| Parameter | Value |
|---|---|
| Mounting | Head-mounted (DIN Form B, 43 mm) |
| Sensor inputs | RTD (PT100–PT1000, Ni), TC (J/K/N/R/S/T/B/E) |
| Output | 4–20 mA / HART 7 |
| Accuracy (PT100) | ±0.1 °C |
| Ambient temperature | −40 to +85 °C |
| SIL capability | SIL 2 |
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