EN
14073045.06 10/2020 EN/DE/FR/ES
WIKA operating instructions model TR25 (Ex i)
19
6. Information on mounting and operation in hazardous areas
6. Information on mounting and operation in hazardous areas
(Europe)
6.1 General information on explosion protection
Follow the requirements of the ATEX and IEC directives.
Additionally the specifications of the respective national regulations
concerning use in hazardous areas apply.
A) The responsibility for classification of zones lies with the plant manager and not the
manufacturer/supplier of the equipment.
B) The plant manager guarantees, and is solely responsible, that all thermometers
in use are identifiable with respect to all safety-relevant characteristics. Damaged
thermometers may not be used. Repairs may only be carried out by authorised and
qualified personnel. Repairs may only be completed using original spare parts from the
original supplier; otherwise the requirements of the approval are not fulfilled.
The manufacturer shall not be responsible for constructional modifications after delivery
of the instruments.
C) If a component of electrical equipment, on which the explosion protection depends,
is repaired, then the electrical equipment may only be put back into use, after an
authorised expert has stated that it corresponds to the fundamental characteristics
of the requirements for explosion protection. In addition, this expert must provide a
certificate for this and provide the equipment with a test mark.
D) Item C) shall not apply if the component was repaired by the manufacturer in
accordance with the requirements and regulations.
E) When using transmitters and digital displays, the following must be observed:
- The contents of these operating instructions and those of the transmitter or display.
- The relevant regulations for installation and use of electrical systems.
- The regulations and guidelines regarding explosion protection. Transmitters and digital
displays must have their own approval.
F) When ordering spare parts, the parts that are to be replaced must be specified exactly:
■
Ignition protection type (here Ex i)
■
Approval no.
■
Order no.
■
Manufacturing no.
■
Order item
Summary of Contents for TR25 (Ex i)
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