
NI 9215 Operating Instructions and Specifications 6 ni.com
Caution For Zone 2 applications, connected signals must 
be within the following limit:
Capacitance.......................... 0.2 μF max
Special Conditions for Hazardous Locations Use in EuropeThis equipment has been evaluated as EEx nC IIC T4 equipment 
under DEMKO Certificate No. 03 ATEX 0324020X. Each module 
is marked   II 3G and is suitable for use in Zone 2 hazardous 
locations. If you are using the NI9215 in Gas Group IIC hazardous 
locations or in ambient temperatures of –40°C ≤Ta ≤70 °C, you 
must use the device in an NI chassis that has been evaluated as 
ExnA IIC T4 equipment.
Special Conditions for Marine ApplicationsSome modules are Lloyd’s Register (LR) Type Approved for 
marine applications. To verify Lloyd’s Register certification, go 
toni.com/certification and search for the  LR certificate, 
orlook for the Lloyd’s Register mark on the module.