PGS100 AND PAS100 | PRESSURE TRANSMITTERS | OI/PGS/PAS100-EN REV. A
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Hazardous atmospheres
ATEX transmitter with the following types of protection:
“intrinsic safety Ex ia” and “dust ignition protection by
enclosure Ex ta/tb” in accordance with Directive 2014/34/EU
Transmitter with 4 to 20 mA output signal and HART communication
Certificate no. Sira19ATEX2260X
Marking for transmitter without
HMI
II 1 G Ex ia IIC T4 Ga
II 1/2 D Ex ia IIIC T 135°C Da/Db
II 1/2 D Ex ta/tb IIIC T 135°C Da/Db
Marking for transmitter with HMI II 1 G Ex ia IIC T4 Ga
Permissible ambient temperature versus process temperature / class
Type of protection Process
temperature
Max. ambient
temperature
Application without HMI
Ex ia IIC T4
≤ 120° C 85° C
Ex ia IIIC T 135° C ≤ 85° C 85° C
> 85 ° C ≤ 120° C 75° C
Application with HMI
Ex ia IIC T4
≤ 120° C 85° C
Power supply and signal circuit with “intrinsic safety Ex ia” type of
protection, with the following maximum values
Ui = 30 V
Ii = 100 mA
Pi = 1 W
Effective internal capacitance Ci = 3.7 nF
Effective internal inductance
Li = 0 µH
IECEx transmitter with the following types of protection:
“intrinsic safety Ex ia” and “dust ignition protection by
enclosure Ex ta/tb” in accordance with IEC standards
Transmitter with 4 to 20 mA output signal and HART communication
Certificate no. IECEx SIR 19.0081X
Marking for transmitter without
HMI
Ex ia IIC T4 Ga
Ex ia IIIC T 135°C Da/Db
Ex ta/tb IIIC T 135°C Da/Db
Marking for transmitter with HMI Ex ia IIC T4 Ga
Permissible ambient temperature versus process temperature / class
Type of protection Process
temperature
Max. ambient
temperature
Application without HMI
Ex ia IIC T4
≤ 120° C 85° C
Ex ia IIIC T 135° C ≤ 85° C 85° C
> 85 ° C ≤ 120° C 75° C
Application with HMI
Ex ia IIC T4
≤ 120° C 85° C
Power supply and signal circuit with “intrinsic safety Ex ia” type of
protection, with the following maximum values
Ui = 30 V
Ii = 100 mA
Pi = 1 W
Effective internal capacitance Ci = 3.7 nF
Effective internal inductance
Li = 0 µH