TMT88 – Head-Mounted Temperature Transmitter with HART 7
The Endress+Hauser TMT88 is a versatile head-mounted temperature transmitter that accepts RTD and thermocouple sensors. Its HART 7 communication and SIL 2 capability make it suitable for safety-critical applications.
Key Features
- Sensor inputs: PT100, PT500, PT1000, TC (J, K, N, S, B, R, E, T)
- Output: 4–20 mA / HART 7
- Accuracy: ±0.1 °C (RTD), ±0.5 °C (TC)
- Ambient temperature: −40 to +85 °C
- Head-mounted (DIN Form B, 43 mm)
- Dual-sensor input with backup and drift detection
- SIL 2 capable
- Heartbeat Technology
- Explosion protection: ATEX, IECEx, FM, CSA
Applications
Process industry, oil and gas, chemical, pharmaceutical, power generation, safety-critical temperature measurement.
Technical Specifications
| Parameter | Value |
|---|---|
| Sensor inputs | PT100/500/1000, TC (J/K/N/S/B/R/E/T) |
| Output | 4–20 mA / HART 7 |
| Accuracy (RTD) | ±0.1 °C |
| SIL capability | SIL 2 |
| Mounting | Head-mounted (43 mm) |
| Dual sensor | Yes (backup + drift detection) |
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