147WD – Air temperature sensor in aluminium housing

147wd-air probe-wall mounting-alu

147wd-air probe-wall mounting-alu

Air temperature sensor in robust aluminium design.


The 147WD is a sensor in aluminium housing with a cut away stainless steel measuring point, and is fitted with a rear flange for wall mounting.  This sensor is specifically intended for measuring ambient air temperature. As option the sensor can come with a 2-wire transmitter type TRM33A. This is only for use in spaces with a minimum ambient temperature of +5 °C.

Types 147WD: Air temperature sensor in aluminium housing. 
Length, diameter, and measurement system from the sensor as requested with order.
Possible applications
  • Ambient temperature measurement.
  • Cool/Freeze cells.
  • Computer rooms/Machine rooms.
  • Storage spaces.
Measurement element PT100, PT200, PT500, PT1000
Ni100, Ni1000, 
Thermocouple J or K.
Measurement system Single or Duplex version  in 2, 3 or 4-lead technology.
Temperature range Standard range up to a max. of 100°C. However this is very much dependent on the chosen materials, connection cables and construction.
For the correct version, please feel free to contact us.
Materials Housing: aluminium, sensor: stainless steel-316. 
Dimensions Housing: – ,Sensor: As requested with order.
Process connection Housing suitable for wall mounting.
Connection cable Screw connection in the housing, so supplied without cable.
IP-norm  IP-65 
(the cut away measuring section of the 177 air probe is not watertight).
(for supplement) 
  • Duplex version.
  • Measurement system PT100 1/3 Din selection.
  • Measurement system PT100 1/5 Din selection.
  • Measurement system PT100 1/10 Din selection.

• Brochure
• Further information about dimensions, connection and cables is given on the Support pages.


The delivery of standard types from stocks and customer-specific versions can be within a few days. In view of the large number of version and options for orders you can contact our sales department tel. +31 50-501 37 45 or by email: