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TR21

The Honeywell TR21 is a field-mount temperature transmitter offering exceptional stability and flexibility for industrial process applications.

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Type: 2-Wire Loop-Powered Temperature Transmitter Input: RTD (Pt100/Pt1000) or Thermocouple (J/K/T/E/R/S) Output: 4-20mA (HART® communication optional) Accuracy: ±0.1% of span (RTD), ±0.5°C (T/C) Supply Voltage: 12-30VDC (loop powered) Operating Temp: -40°C to +85°C (ambient) Sensor Break Detection: Yes (upscale/downscale selectable) Linearity: ±0.05% of span Response Time: <500ms (to 90% of final value) Housing: IP66/NEMA 4X aluminum enclosure Certifications: ATEX, IECEx, SIL 2 (optional)