Safety information   
2.4 Use in hazardous areas 
  SIPART PS2 with and without HART 
16  Operating Instructions, 10/2013, A5E00074631-11 
 
Use in hazardous areas 
Qualified personnel for hazardous area applications 
Persons who install, connect, commission, operate, and service the device in a hazardous 
area must have the following specific qualifications:  
●  They are authorized, trained or instructed in operating and maintaining devices and 
systems according to the safety regulations for electrical circuits, high pressures, 
aggressive, and hazardous media. 
●  They are authorized, trained, or instructed in carrying out work on electrical circuits for 
hazardous systems. 
●  They are trained or instructed in maintenance and use of appropriate safety equipment 
according to the pertinent safety regulations. 
 
Unsuitable device for the hazardous area 
Danger of explosion. 
•  Only use equipment that is approved for use in the intended hazardous area and 
labelled accordingly. 
 
Loss of safety of device with type of protection "Intrinsic safety Ex i" 
If the device has already been operated in non-intrinsically safe circuits or the electrical 
specifications have not been observed, the safety of the device is no longer ensured for use 
in hazardous areas. There is a danger of explosion. 
•  Connect the device with type of protection "Intrinsic safety" solely to an intrinsically safe 
circuit. 
•  Observe the specifications for the electrical data on the certificate and in Chapter 
"Technical data (Page 235)".