Technical Data
CompareThermometer
| Measuring Principle | |
| Characteristic / Application | metric style modular temperature assembly threaded process connection with neck incl. thermowell / protection tube (metal) |
| Thermowell / protection tube | welded protection tube |
| Insert / probe | mineral insulated (MI), flexible |
| Outer diameter protection tube / Insert | 9,0 mm (0,35'') |
| Max. immersion length on request | up to 400,00 mm (15,75'') |
| Material protection tube/ thermowell | 1.4404 (316L) |
| Process connection | male thread: G1/2" NPT1/2" |
| Tip shape | straight |
| Surface roughness Ra | 0,8 μm (31,5 μin.) |
| Operating temperature range | PT 100: -50 °C ...400 °C (-58 °F ... 752 °F) |
| Max. process pressure (static) | at 20 °C: 50 bar (725 psi) |
| Accuracy | class A acc. to IEC 60751 |
| Response time | t50 = 18 s t90 = 55 s |
| Integration head transmitter | no |
Product Overview
The thermometer is mainly used in the chemical industry and is also suitable for applications in other industries. Devices with a head-mounted transmitter are ready for immediate use and offer higher measuring accuracy and reliability than directly wired sensors. A wide range of process connections, versions and materials provides flexibility in use.
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Benefits
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Modular design with a standard terminal head conforming to DIN EN 50446 and customer-specific immersion length for high flexibility
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Highly compatible insert, designed in accordance with DIN 43772
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Extension neck prevents the head transmitter from overheating
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Fast response time
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Easy selection of the head transmitter: analog output 4 to 20 mA, HART®, PROFIBUS® PA or FF fieldbus
Spare Parts & Accessories 1
1 spare parts · click to collapse
| Order code | Description | |
|---|---|---|
| 71367414 | Copper sealing ringPacking unit: 10 pieces | Details |
Configurator / Comparison
Source:Endress+Hauserwebsite public information
Manuals & Documents 2
All documents for this modelCase Studies
Municipal Wastewater Treatment · thermocouples — Application Case
Project Background
The project covers the inlet, biological and outlet stages of a municipal plant. The work centres on thermocouples and the core task is high-temperature measurement with thermocouples.
Operating Challenges
The medium and duty are characterised by high solids and corrosive fractions, with large diurnal flow swings, and effluent parameters drift and probes foul with sludge and biofilm. So thermocouples cannot be specified generically — it calls for choosing the type by temperature limit, atmosphere and response speed.
Solution
The Ainstru engineering team worked through the temperature range: temperature solution matched to measuring point and response needs. The configuration involves choosing the type by temperature limit, atmosphere and response speed, with these requirements in view: stable compliance with Grade 1A discharge limits and online data reporting.
Results
Since start-up the system has run steadily; the practical result is strong high-temperature capability, measuring furnace temperatures directly.
Food & Beverage · thermocouples — Application Case
Project Overview
The site is dosing, pasteurising, filling and CIP stages. The customer wanted thermocouples properly configured on the existing plant, with the aim of high-temperature measurement with thermocouples.
Technical Challenges
What actually causes trouble is syrups, dairy and beverages that scale easily, under strict hygienic requirements, and frequent cleaning demands instruments that withstand hot CIP/SIP caustic cycles. All of this means the thermocouples configuration has to involve choosing the type by temperature limit, atmosphere and response speed.
Configuration
Supply and installation were organised through the temperature range: temperature solution matched to measuring point and response needs. On site this meant choosing the type by temperature limit, atmosphere and response speed, checked line by line against: food-safety and hygienic design per 3-A / EHEDG.
Performance
After commissioning the outcome is strong high-temperature capability, measuring furnace temperatures directly, and the readings are now used for process tuning.
Chemical & Pharmaceutical · thermocouples — Application Case
Site Conditions
This is a Chemical & Pharmaceutical customer whose plant is at reactors, metering vessels and finished-product tanks. The main task was high-temperature measurement with thermocouples.
The Problem
The difficulty lies in highly corrosive media with solvents and crystallisation, partly in explosive atmospheres; at the same time corrosion plus Ex protection shortens instrument life and makes downtime costly. Specification therefore means choosing the type by temperature limit, atmosphere and response speed.
What We Did
We took a temperature range approach — temperature solution matched to measuring point and response needs. Delivery was built around choosing the type by temperature limit, atmosphere and response speed, with point-by-point checks on: Ex certification and GMP traceability of records.
Operating Outcome
In service the system performs as intended — strong high-temperature capability, measuring furnace temperatures directly, with routine maintenance falling noticeably.
Power & Energy · thermocouples — Application Case
Application Context
boiler feedwater, turbine condensate and FGD/DeNOx systems is a typical Power & Energy duty. The project started from thermocouples, focusing on high-temperature measurement with thermocouples.
Process Constraints
drift under high temperature and pressure, with very costly unplanned outages, and high temperature and pressure with both steam and saline water only amplify it. The thermocouples specification must therefore cover choosing the type by temperature limit, atmosphere and response speed.
Delivery Approach
Delivery was handled as the temperature range — temperature solution matched to measuring point and response needs. Execution centred on choosing the type by temperature limit, atmosphere and response speed, together with compliance with power-industry codes and unit availability targets.
Field Results
Operation shows the benefit clearly — strong high-temperature capability, measuring furnace temperatures directly, with confidence in this measuring point improving markedly.
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