2
1 Safety instructions
• Please read the product description prior to installing the unit.
• Ensure that the product is suitable for your application without any restrictions.
• If the operating instructions or the technical data are not adhered to, personal
injury and/or damage to property may occur.
• Please check for all applications that the product materials (see Technical data)
are compatible with the media to be measured.
• Use in gases at pressures > 25 bar only after contacting the manufacturer ifm.
For units with cULus approval and the scope of validity cULus:
The device shall be supplied from an isolating transformer having a secondary
Listed fuse rated as noted in the following table.
Overcurrent protection
Control-circuit wire size Maximum protective device rating
Ampere
AWG (mm2)
26 (0.13) 1
24 (0.20) 2
22 (0.32) 3
20 (0.52) 5
18 (0.82) 7
16 (1.3) 10
The Sensor shall be connected only by using any R/C (CYJV2) cord, having
suitable ratings.
1 Safety instructions ................................................................................................2
2 Function and features ...........................................................................................2
2.1 Applications ....................................................................................................2
3 Installation ............................................................................................................3
4 Electrical connection.............................................................................................3
5 Scale drawing .......................................................................................................4
6 Technical data .......................................................................................................5