Endress+Hauser iTEMP TMT82, Краткое руководство по эксплуатации, Страница: 11 / 28

iTEMP TMT82 Mounting
Hauser 11
4.1.2 Mounting location
• Head transmitter:
• In the terminal head, flat face, as per DIN EN 50446, direct mounting on insert with cable
entry (middle hole 7 mm)
• In the field housing, separated from the process
• With clip on DIN rail as per IEC 60715, TH35
• DIN rail transmitter:
In DIN rail housing on DIN rail as per IEC 60715, TH35
4.1.3 Important ambient conditions
• Ambient temperature:
• –40 to +85 °C (–40 to +185 °F), for hazardous areas see Ex documentation
• –50 to +85 °C (–58 to +185 °F), for hazardous areas see Ex documentation; Product
Configurator order code for "Test, certificate, declaration", option "JM"
1)
• –52 to +85 °C (–62 to +185 °F), for hazardous areas see Ex documentation, Product
Configurator order code for "Test, certificate, declaration", option "JN"
1)
• SIL Mode: –40 to +70 °C (–40 to +158 °F)
• Head transmitter in accordance with climate class C1, DIN rail transmitter in accordance
with B2 as per EN 60654-1
• Condensation as per IEC 60068-2-33 permitted for head transmitter, not permitted for DIN
rail transmitter
• Max. rel. humidity: 95% as per IEC 60068-2-30
• Degree of protection:
• Head transmitter with screw terminals: IP 00, with spring terminals: IP 30. In installed
state, depends on the terminal head or field housing used.
• When installing in field housing TA30x: IP 66/68 (NEMA Type 4x encl.)
• DIN rail device: IP 20
NOTICE
‣
When using in hazardous areas, the limit values of the certificates and approvals must be
observed.
4.2 Mounting
A Phillips head screwdriver is required to mount the head transmitter.
NOTICE
Do not overtighten the mounting screws as this could damage the head transmitter.
‣
Maximum torque = 1 Nm (¾ pound-feet).
1) If the temperature is below –40 °C (–40 °F), increased failure rates are likely.