Technical Data
CompareThermometer
| Measuring Principle | Resistance Temperature Detector |
| Characteristic / Application | metric style modular temperature assembly hygienic/aseptic design (3-A®, EHEDG, ASME BPE, FDA) hygienic process connections with neck suitable for hazardous areas incl. protection tube iTHERM QuickSens for fastest response time iTHERM StrongSens for most robust design iTHERM QuickNeck for easy and cost saving recalibration |
| Thermowell / protection tube | without incl. thermowell incl. Tee-/elbow thermowell |
| Insert / probe | mineral insulated (MI), flexible pipe version, isolated wires, not flexible |
| Outer diameter protection tube / Insert | 6,0 mm (0,24") 9,0 mm (0,35") 12,7 mm (0,5") |
| Material protection tube/ thermowell | 1.4435 delta-ferrit < 1% 316L |
| Process connection | compression fitting weld in adapter clamp connections acc. to ISO2852 screwed pipe joint acc. to DIN 11851 aseptic screwed pipe joint acc. to DIN 11864-1 metallic sealing system thread acc. to ISO 228 for liquiphant adaptor APV Inline Varivent Ingold SMS 1147 Neumo Biocontrol T- and elbow thermowell |
| Tip shape | straight reduced tapered |
| Surface roughness Ra | 0,76 μm (29,92 μin) 0,38 μm (14,96 μin) 0,38 μm (14,96 μin) electropolished |
| Operating temperature range | PT100: -200 °C … 600 °C (-328 °F … 1.112 °F) iTHERM StrongSens: -50 °C … 500 °C (-58 °F … 932 °F) iTHERM QuickSens: -50 °C … 200 °C (-58 °F … 392 °F) |
| Max. process pressure (static) | at 20 °C: 40 bar (580 psi) |
| Accuracy | class A acc. to IEC 60751 class AA acc. to IEC 60751 |
| Response time | depending on configuration iTHERM QuickSens: t90 = 1,5 s iTHERM StrongSens: t90 = 9,5 s |
| Integration head transmitter | yes (4 … 20 mA; HART; PROFIBUS PA; FOUNDATION FIELDBUS) |
| Ex - approvals | ATEX Ex ia, Ex nA ATEX IECEx Ex ia, Ex ta/tb CSA C/US IS, NI FM IS, NI NEPSI Ex ia JPN Ex ia EAC Ex ia UKCA Ex ia, Ex nA, Ex tc |
| Certification | SIL (transmitter only) |
The modular hygienic thermometer iTHERM TM411 with digital display provides highly accurate, reliable and fast temperature measurement in production lines, vessels, storage tanks, fermenters and more. This high-performance device is designed specifically for the strictly regulated food and life sciences industries. Configure your hygienic instrument from a range of thin-film RTDs with QuickSens or StrongSens technology or 2 Pt100 wire-wound temperature sensors, an intelligent transmitter and hygienic process connections.
Benefits
Best process control: fast sensor response time thanks to iTHERM QuickSens technology (t90: 1.5 s)
75% faster recalibration with iTHERM QuickNeck, safer – tool-free quick release allows the insert to be removed immediately
High sensor availability under harsh conditions: vibration-resistant RTD technology iTHERM StrongSens (> 60g)
Simple product selection, configuration and maintenance
Increased productivity and product safety in hygienic applications thanks to highly accurate and reliable measurement
Thermowells, hygienic process connections and housings are professionally manufactured from high-grade materials with low surface roughness
Applications
Designed for hygienic and sterile applications in the food, beverage and life sciences industries
Measuring range: –200 to 600 °C (-28 to 1,112 °F)
Pressure range up to 40 bar (580 psi)
Degree of protection: up to IP69K
Remote parameterization via secure Bluetooth® temperature transmitter
International approvals: certified for use in hazardous areas, explosion protection in accordance with ATEX/IECEx, CSA, FM, EAC Ex, JPN Ex, NEPSI; hygienic standards with 3-A, EHEDG, ASME BPE, FDA, TSE certificates of suitability
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Technical documentation
Technical data
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Accessories/Spare parts
Source: Endress+Hauserpublic information from the website
Related Models
| Model | Name |
|---|---|
| TM411-AA2AC1D3BB3B1A40A1X100A1B1A31AA1A1A1+C1 | 卫生型模块化热电阻(RTD)温度计 |
| TM411-AA6AU1U1AC1F1A00A1X100A1B2A33CA1A1 | 卫生型模块化热电阻(RTD)温度计 |
| TM411-BA0AA0A0AA2A0X10A1X100A1B2A33DA1A1 | 卫生型模块化热电阻(RTD)温度计 |
| TM411-BJ2AE1H2CB1C1A10A0A014A3C2C12CA1A1 | 卫生型模块化热电阻(RTD)温度计 |
| TM411-BJ2AF1J1DB1D1X30Q1A000A3C2C22CA1A1 | 卫生型模块化热电阻(RTD)温度计 |
| TM411-CP2AG1L3CB1C1A20A0A014A3C1C23BR3A1 | 卫生型模块化热电阻(RTD)温度计 |
Case Studies
市政污水处理污水处理厂 · 热电阻应用案例
项目背景
市政污水处理客户在污水处理厂环节，长期面临「出水水质监测精度不足、仪表易受污染导致数据漂移，影响达标排放」的困扰，对热电阻的稳定性与测量精度提出了更高要求。
解决方案
阿仪科技技术团队结合现场工况，为客户选配了适配的热电阻，并完成选型、安装、调试与整定的一站式交付。
实施效果
- 测量精度与响应速度显著提升，数据稳定可靠；
- 仪表适应市政污水处理复杂工况，维护量大幅降低；
- 助力客户实现连续在线监测与降本增效，获得客户高度认可。
食品饮料食品生产线 · 热电阻应用案例
项目背景
食品饮料客户在食品生产线环节，长期面临「卫生级测量要求高，在线仪表需耐 CIP/SIP 清洗且精度稳定」的困扰，对热电阻的稳定性与测量精度提出了更高要求。
解决方案
阿仪科技技术团队结合现场工况，为客户选配了适配的热电阻，并完成选型、安装、调试与整定的一站式交付。
实施效果
- 测量精度与响应速度显著提升，数据稳定可靠；
- 仪表适应食品饮料复杂工况，维护量大幅降低；
- 助力客户实现连续在线监测与降本增效，获得客户高度认可。
化工制药反应釜与储罐 · 热电阻应用案例
项目背景
化工制药客户在反应釜与储罐环节，长期面临「介质腐蚀性强、工况复杂，仪表需耐腐蚀且防爆」的困扰，对热电阻的稳定性与测量精度提出了更高要求。
解决方案
阿仪科技技术团队结合现场工况，为客户选配了适配的热电阻，并完成选型、安装、调试与整定的一站式交付。
实施效果
- 测量精度与响应速度显著提升，数据稳定可靠；
- 仪表适应化工制药复杂工况，维护量大幅降低；
- 助力客户实现连续在线监测与降本增效，获得客户高度认可。
电力能源电厂锅炉与汽机 · 热电阻应用案例
项目背景
电力能源客户在电厂锅炉与汽机环节，长期面临「高温高压工况下测量不稳定，维护停机成本高」的困扰，对热电阻的稳定性与测量精度提出了更高要求。
解决方案
阿仪科技技术团队结合现场工况，为客户选配了适配的热电阻，并完成选型、安装、调试与整定的一站式交付。
实施效果
- 测量精度与响应速度显著提升，数据稳定可靠；
- 仪表适应电力能源复杂工况，维护量大幅降低；
- 助力客户实现连续在线监测与降本增效，获得客户高度认可。
