
EN
7WIKA operating instructions miniature resistance thermometer, model TRW
14642235.01 11/2023 EN/DE
2. Safety
2. Safety
2.1 Intended use
The resistance thermometer TRW transmits its temperature value to a higher-level
system. The instrument can be used wherever an RTD value is digitalised and made
available via Bluetooth® Low Energy or LoRaWAN®. Remote monitoring of the RTD
value can be made through a web-based platform.
The instrument has been designed and built solely for the intended use described here,
and may only be used accordingly.
The technical specifications contained in these operating instructions must be
observed, see chapter 9 “Specifications”. It is assumed that the instrument is handled
properly and within its technical specifications. Otherwise, the instrument must be taken
out of service immediately and inspected by an authorised WIKA service engineer.
Handle electronic instruments with the required care (protect from humidity, impacts,
strong magnetic fields, static electricity and extreme temperatures, do not insert any
objects into the instrument or its openings).
The manufacturer shall not be liable for claims of any type based on operation contrary
to the intended use.
2.2 Improper use
WARNING!
Danger due to emerging fire or explosion
The use of non-approved batteries can lead to personal injury, damage to
the instrument and the environment due to fire.
▶Only use approved batteries, see chapter 9 “Specifications”.
The remote monitoring function must not be used for control purposes, as it
cannot be guaranteed that data packets won't be lost during wireless trans-
mission.
The LoRaWAN®signal may only be used for mobile applications to a limited
extend.This applies particularly to high spreading factors.
■This instrument is not permitted to be used in hazardous areas.
■For applications with direct contact with foodstuffs this instrument is not suitable.
■Any use beyond or different to the intended use is considered as improper use.
■Refrain from unauthorised modifications to the instrument.
■Do not use this instrument in safety or emergency shutdown devices.