iTHERM TrustSens TM371 – Self-Calibrating Hygienic Thermometer
The Endress+Hauser iTHERM TrustSens TM371 is a revolutionary self-calibrating hygienic thermometer that automatically performs in-situ calibration during every sterilization (SIP) cycle. This eliminates the need for manual calibration, reduces downtime, and ensures continuous measurement integrity in pharmaceutical and food production processes.
Key Features
- Automatic self-calibration during every SIP cycle
- Calibration reference: Fixed-point cell (Curie point)
- Measuring range: –50 to +200°C
- Accuracy: ±0.1°C (after self-calibration)
- 3-A and EHEDG certified
- Communication: 4–20 mA HART, IO-Link, Modbus
- FDA 21 CFR Part 11 compliant calibration records
Applications
- Pharmaceutical manufacturing and biotech
- Food and beverage sterilization processes
- Dairy and brewery CIP/SIP systems
- Water-for-injection (WFI) systems
Technical Specifications
| Parameter | Specification |
|---|---|
| Measuring range | –50 to +200°C |
| Accuracy | ±0.1°C (post self-calibration) |
| Calibration principle | Curie point fixed-point cell |
| Calibration trigger | Automatic during SIP cycle |
| Hygienic standards | 3-A, EHEDG |
| Process connections | Tri-Clamp, DIN 11851, Varivent |
| Protection class | IP67/IP69K |
| Communication | 4–20 mA HART, IO-Link, Modbus |
| Compliance | FDA 21 CFR Part 11, GMP |
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