Installation Conditions - Endress+Hauser OTMT84 Bedienungsanleitung

Installation instructions
3.2

Installation conditions

3.2.1 Dimensions
Dimensions in mm (in)
B
Fig. 2: Version with screw terminals
Item A: Spring travel L
≥
Item B: Securing elements for attachable measured value display
Item C: Interface for measured value display contact
The same dimensions apply to the version with spring terminals apart from the
housing height H = 28.1 mm (1.11 in).
3.2.2 Installation point
• In the terminal head as per DIN EN 50446, flat face, direct mounting on insert with cable
entry, middle hole 7 mm (0.28 in).
• Separate from the process in the field housing.
• With DIN rail clip on top-hat rail as per IEC 60715.
3.2.3 Important ambient conditions
• Ambient temperature range: -40 to +85°C (-40 to +185 °F).
• Condensation permitted as per IEC 60068-2-33; max. rel. humidity: 95%.
• Climate class in accordance with IEC 60654-1, Class C.
• With screw terminals IP00 ingress protection
With spring terminals IP30 ingress protection
The ingress protection depends on the terminal head or field housing in its
installed state.
28
5 (0.2)
5mm (not for US - M4 securing screws)
C
Dual-input temperature transmitter
A
A0007301