Yokogawa digitalYEWFLO (DY) - Manual (Page 48)

IM 1F2B4-01-YIA
Page 52
INSTALLATION
3.5.4 Wiring cautions for CSA intrinsic safety
If the meter is to be installed in an intrinsically safe system, safety barriers must be installed to
prevent excessive power from entering the hazardous area.
•Integral Installation
Doc. No. ICS002-A12 p. 1
*CSA certified barrier with parameters of 28V/300 ohms.