44 266HSH MODBUS TRANSMITTER | PRESSURE/TEMPERATURE MULTIVARIABLE | OI/266HSHMT-EN REV. A
transmitter enclosure with a Ta (ambient
Important. The number close to the CE marking of the
transmitter safety label identifies the Notified Body which has
responsibility for the surveillance of the production.
Application with Gas
IP code
The second characteristic numeral indicates the protection of the inside electronics against ingress of water.
conditions of pressure and time.
Application with Dust
Zone “0” Zone “1”
Dangerous
medium
(process)
Tank
Zone “0” / Zone “1”
separation element
Primary transducer
266 Tx
Category 1/2 Ga Ex d
Zone “20”
Dangerous
medium
(process)
Silo
— T6: Temperature class of the transmitter
that provides inside separation elements to seal off the
the relevant part of the sketches.
Application for pressure transmitter Ex d categories 1/2G and 1/2D
Zone “21”
266 Tx
Category 1/2 Db Ex
tb
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