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3. OPERATION
After connecting the ST450EC the gas detector is ready for use. Depending on the supplied
version, the sensing head is suitable for the detection of toxic gasses or Oxygen.
Newly supplied sensing heads are always calibrated. The calibration (target) gas and the
measurement range of the sensing head are indicated on the type label. The type label can be
found on the top side of the enclosure. The type label also shows the EX classification and the
serial number. Each sensing head has an unique serial number which is stated as “Sn.: ###”.
The first two digits represent the production year. For example Sn.18-1234567 is produced in
the year 2018.
Type label ST450EC
After installation it is advised to have the complete system commissioned by Consilium. The
entire system will be tested and operational at handover.
The ST450EC is not suitable for use in environments where continuous concentration of gas is
present. The sensing head is also not suitable in areas where silicones, halogens or sulphur
compounds are present. The above mentioned environmental factors may significantly reduce
the lifespan of the sensor. When in doubt, consult Consilium for advice.
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