WIKA T12 - Handbuch (Seite 6)

GB
3211517.07
07/2010
GB/D
6 WIKA operating instructions temperature transmitter T12
2. Safety
WARNING!
Before installation, commissioning and operation,
ensure that the appropriate temperature transmitter has
been selected in terms of measuring range, design and
specific measuring conditions.
Serious injuries and/or damage can occur should these
not be observed.
WARNING!
This is Protection Class 3 equipment for connection at low
voltages, which are separated from the power supply or
voltage by greater than 50 V AC or 120 V DC. Preferably,
a connection to an SELV or PELV circuit is recommended;
alternatively protective measures from HD 60 346-4-41
(DIN VDE 0100-410).
Alternatively for North America:
The connection can be made in line with "Class 2
Circuits" or "Class 2 Power Units" in accordance with
CEC (Canadian Electrical Code) or NEC (National
Electrical Code)
Further important safety instructions can be found in the
individual chapters of these operating instructions.
2.1 Intended use
The model T12 temperature transmitter is a universal, configurable
transmitter for use with resistance thermometers (RTD), thermocoup-
les (TC) as well as resistance and voltage sources.
The temperature transmitter has been designed and built solely for
the intended use described here, and may only be used accordingly.
2. Safety