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Operating instructions
Temperature Sensors
for potentially explosive atmospheres in the European Union according to Directive 2014/34/EU
(ATEX) / IECEx
In the following increased safety / protection by enclosure:
• S80 ### Thermocouple
• S81 ### Resistance Temperature Detector
IM-S80S81/ATEX ExeExt-EN-Rev 05/2025 Page 1of 13
P/N 095I203-01EN
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Table of Contents
Summary of Contents for Ashcroft Rueger S80
- Page 1 Operating instructions Temperature Sensors for potentially explosive atmospheres in the European Union according to Directive 2014/34/EU (ATEX) / IECEx In the following increased safety / protection by enclosure: • S80 ### Thermocouple • S81 ### Resistance Temperature Detector IM-S80S81/ATEX ExeExt-EN-Rev 05/2025 Page 1of 13 P/N 095I203-01EN...
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Page 2: Table Of Contents
Table of Contents: General ..................................3 Purpose of this manual ............................3 Symbols ................................3 Limitation of liability ............................. 3 Copyright ................................3 Warranty ................................3 Manufacturer address, customer service ......................3 Security ..................................4 General sources of danger ..........................4 Intended use ................................ -
Page 3: General
For the product described here we grant warranty according to § 6 warranty for defects, in our General Terms and conditions of delivery and payment. 1.6 Manufacturer address, customer service Ashcroft Instruments GmbH Phone: +49 (0) 2404/5589-888 Email: customer.service@ashcroft.com Max-Planck-Strasse 1-9 Web: www.ashcroft.eu... -
Page 4: Security
2 Security 2.1 General sources of danger Temperature sensors are usually components of a control and measurement system. These devices have pressure- or temperature-loaded parts, the failure of which can lead to dangerous situations. The temperature sensors should be selected in accordance with the applicable standards and regulations and the rules of technology. 2.2 Intended use Temperature sensors type S80 and S81 are used to convert the temperature at the measuring point into electrical signal or in digital data. -
Page 5: Environmental Protection
2.6 Environmental protection This device contains electrical components. The requirements listed in the WEEE Directive of the European Union (2012/19/EU) on "Waste Electrical and Electronic Equipment" and by the Electrical and Electronic Equipment Act (ElektroG) have been taken into account and are applicable. The European Directives (RoHS) 2011/65/EU "On the restriction of the use of certain hazardous substances in electrical and electronic equipment"... - Page 6 Permissible ambient media Air with normal oxygen content (21 %), ambient pressure 80 kPa (0.8 bar) to 110 kPa (1.1 bar) Warning! With gaseous media, the device temperature can increase due to compression heat. In such cases, the rate of pressure change must be throttled or the permissible medium temperature reduced.
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Page 7: Marking
Conformity with the Essential Health and Safety Requirements (EHRS), except for the elements listed in the Annex to the EC type-examination certificate, is ensured by conformity with the following documents: Standards applied for the evaluation of ignition protection IECEx ATEX IEC 60079-0:2017 (Edition 7.0) + CORR1:2020 EN IEC 60079-0 :2018/AC:2020 IEC 60079-7:2015 (Edition 5.0) + AMD1:2017... -
Page 8: Structure And Function
Serial number Accuracy class Warning "DO NOT OPEN WHEN AN EXPLOSIVE GAS / DUST ATMOSPHERE PRESENTS". Example nameplate: ATEX IECEX 6 Structure and function 6.1 Functional description S80: A thermocouple produces a temperature-dependent voltage. This design of sensor consists of two dissimilar metal wires, which are joined together at one end, connected to an instrument that is capable of accepting a thermocouple input and measure the reading. -
Page 9: Preparation
8.1 Preparation To ensure safe working during installation and maintenance, suitable shut-off valves must be installed in the system by means of which the unit: can be subjected to a functional check on site. During the work of mounting/installing the switch, the system must be secured against being switched on again. It is recommended to carry out the assembly / installation without an existing explosive atmosphere (e.g. -
Page 10: Changes To The Installation Site
9 Maintenance All maintenance or inspection work must be carried out in accordance with IEC 60079-17. All ASHCROFT temperature sensors are virtually or completely maintenance free. Ensure that the enclosure remains closed at all times to ensure IP and ignition protection. -
Page 11: Malfunctions
10 Malfunctions All defective or deficient equipment shall be taken out of service in accordance with ISO 60079-19. Defective or defective temperature sensors endanger the operational and process safety of the plant and can lead to danger or damage to persons, the environment or the plant. 10.1 Fault table Malfunctions Possible causes... -
Page 12: Appendix
12 Appendix 12.1 Data sheet for thermocouple S80 and RTD S81 Detailed data sheets are available directly from the manufacturer (see chapter 1.6 Manufacturer's address, customer service). The following table contains an overview of the individual documents. Model Description Document S80/S81 Temperatur sensor for thermocouples (S80) and RTD (S81) DS S80_S81... -
Page 13: Eu Declaration Of Conformity
12.2 EU Declaration of Conformity Page 13from 13...
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