www.miinet.com
Moore Industries-International, Inc.
- 38 -
User’s Manual
238-760-00K
May 2019
Functional Safety Dual Input Smart HART® Temperature Transmitter
STZ
SECTION 3
Specific Conditions of Use
The following instructions must be adhered to when the STZ with –AIS Option is used in
unclassified/non-hazardous locations or hazardous locations/potentially explosive
atmospheres.
Note:
Programming of the STZ through the communication port shall only be done in an
unclassified location using the Moore Industries USB cable, Part Number 804-030-26.
Note:
Using the box provided on the nameplate, the user shall permanently mark the type of
protection chosen for the specific installation. Once the type of protection has been marked it
shall not be changed.
cFMus Installations
Class I, II, III, Division 1, Groups A-G
Class I, Zone 0, [AEx ia Ga] IIC, [Ex ia Ga] IIC
Class I, Division 2, Groups A-D
Class I, Zone 2, AEx nA [ia Ga] IIC T4, Ex nA [ia Ga] IIC T4
When installed in unclassified locations:
The STZ shall be mounted within a tool-secured enclosure which meets the requirements of
ANSI/ISA 61010-1 or CAN/CSA-C22.2 No. 61010-1 and is capable of accepting the applicable
wiring methods per the NEC or the Canadian Electrical Code. The enclosure shall, at a
minimum, meet the requirements of IP20.
When installed in Division 2 locations:
The STZ shall be mounted within a tool-secured enclosure which meets the requirements of
ANSI/ISA 61010-1 or CAN/CSA-C22.2 No. 61010-1 and is capable of accepting the applicable
wiring methods wiring methods per the NEC or the Canadian Electrical Code.
When installed in Zone 2 locations:
The STZ Temperature Transmitter shall be mounted within a tool-secured enclosure which
meets the requirements of ANSI/ISA-60079-0, ANSI/ISA-60079-15 and ANSI/ISA 61010-1
or CAN/CSA-C22.2 No. 60079-0, CAN/CSA-C22.2 No. 60079-15 and CAN/CSA-C22.2 No.
61010-1 and is capable of accepting the applicable wiring methods wiring methods per the NEC
or the Canadian Electrical Code. The enclosure shall, at a minimum, meet the requirements of
IP54.
The non-metallic parts incorporated in the STZ DIN mount housing may generate an ignition-
capable level of electrostatic charge. The STZ shall not be installed in a location where the
external conditions are conducive to the build-up of electrostatic charge on such surfaces.
Additionally, the equipment shall only be cleaned with a damp cloth.
The STZ shall be provided with supply transient protection external to the apparatus such that
the voltage at the supply terminals does not exceed 119Vac peak or 119Vdc.