Honeywell ST 700 User Manual page 75

A.5 Conditions of Use" for Ex Equipment", Hazardous
Location Equipment or "Schedule of Limitations":
Consult the manufacturer for dimensional information on the flameproof joints for repair.
Painted surface of the ST 700 may store electrostatic charge and become a source of ignition
in applications with a low relative humidity less than approximately30% relative humidity
where the painted surface is relatively free of surface contamination such as dirt, dust or oil.
Cleaning of the painted surface should only be done with a damp cloth.
Flame-proof Installations: The Transmitter can installed in the boundary wall between an
area of EPL Ga/ Class I Zone 0/ Category 1 and the less hazardous area, EPL Gb/ Class I
Zone 1/ Category 2. In this configuration, the process connection is installed in EPL Ga/
Class I Zone 0/ Category 1, while the transmitter housing is located in EPL Gb/ Class I Zone
1/ Category 2.
Intrinsically Safe: Must be installed per drawing 50049892
Division 2: This equipment is suitable for use in a Class I, Division 2, Groups A, B, C, D; T4
or Non-Hazardous Locations Only.
Revision 2.0 ST 700 Smart Pressure Transmitter User's Manual Page 63