Description
Gas-actuated thermometer WIKA
This series of thermometers has been designed as an addition to the standard range of thermometers in order to meet the special requirements of
- the food
- bio and pharmaceutical industries
- as well as in the paints and varnishes industry.
The model 74 gas-actuated thermometer is ideally suited to fulfil the high standard requirements of sanitary applications.
Stem and case are made of stainless steel.
The surface of the wetted parts is polished, and a wide variety of process connections is available to ensure the optimal adaptation to many different process requirements. The stem is free of dead space.
Measuring principle
- Inert gas expansion system
Nominal size in mm
- 100
Model overview
Model NS Version
- A74.100 100 Back mount (axial)
- R74.100 100 Lower mount (radial)
Case
- Stainless steel 1.4301
Ring
- Bayonet ring bezel, stainless steel 1.4301
Stem, process connection
- Stainless steel 1.4435
Dial
- Aluminium, white, black lettering
Window
- Laminated safety glass
Pointer
- Aluminium, black, micro adjustment
Temperature limits for storage and transport
- -50 … +70 °C without liquid damping
- -40 … +70 °C with liquid damping
- 0 … +60 °C with food-compatible liquid damping
Permissible ambient temperature
- -40 … +60 °C without/with liquid damping
- 0 … +60 °C with food-compatible liquid damping
Permissible operating pressure at the temperature sensor
- max. 25 bar, static
Ingress protection
- IP65 per IEC/EN 60529
Scale Range
- -30 … +160 °C
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