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All >> Temperature measurement >> Hygienic RTD Thermometer
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Product name:
Hygienic RTD Thermometer
Product series:

TM411

Product brand:
E+H/Endress+Hauser
Product feature:
• Designed for hygienic and sterile applications in the food & beverage and life‑science industries • Measuring range: –200 … 600 °C (‑28 … 1112 °F) • Maximum pressure: 40 bar (580 psi) • Highest protection rating: IP69K • Remote instrument parameterisation with Bluetooth®‑enabled temperature transmitter • Multiple international certifications: explosion‑proof approvals (ATEX/IECEx, CSA, FM, EAC Ex, JPN, NEPSI) for use in hazardous areas; hygienic certifications (3‑A, EHEDG, ASME BPE, FDA, TSE‑compliant certificate) • Optimal process control: short sensor response time (t90 = 1.5 s) with iTHERM QuickSens technology • iTHERM QuickNeck technology enables up to 75 % faster transmitter calibration with enhanced safety; quick disassembly and assembly of the mineral‑insulated insert without tools • High sensor availability under harsh conditions: iTHERM StrongSens RTD sensor technology with excellent vibration resistance (> 60g) • Easy instrument selection, configuration and maintenance • Reliable high‑accuracy measurement output in hygienic applications to boost productivity and product safety • Thermowells, hygienic process connections and housings are professionally manufactured from premium‑grade materials with high surface finish
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Measuring principle:
The operating principle of Resistance Temperature Detectors (RTDs) is to measure temperature based on the property that the resistance of metallic conductors varies with temperature. Core principle: as temperature changes, the amplitude of lattice vibration in metallic conductors such as platinum and copper changes, which creates varying obstruction to electron movement and leads to corresponding resistance variation. Taking the Pt100 platinum RTD as an example, its nominal resistance is 100 Ω at 0 °C; resistance increases by approximately 0.385 Ω per 1 °C rise, showing highly‑linear behaviour within a given temperature range. In practical measurement, a constant‑current source or bridge circuit converts resistance variations into electrical signals. 3‑wire / 4‑wire connection eliminates lead‑wire errors, and resistance values are finally converted to temperature values according to international standard reference tables.
Product positioning:
High‑end Application
Using scenario:
Modular hygienic digital thermometer iTHERM TM411 with digital display delivers reliable, fast and high‑accuracy temperature measurement when installed in process piping, vessels, tanks and fermenters. With outstanding instrument performance, it is engineered specifically for the food & beverage and life‑science industries subject to stringent regulatory requirements. This hygienic instrument can be optionally equipped with a diaphragm‑type RTD sensor using QuickSens or StrongSens mineral‑insulated inserts; or dual Pt100 wire‑wound temperature sensors, smart transmitter and hygienic process connections.
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Jiangsu Pinyi instrument Co., Ltd.
Shanghai Ruiyingda measurement and control technology Co., Ltd.
We specialize in instruments and process control.
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