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Bi-Metal Thermometer - A51

Brand: WIKA Alexander Wiegand SE & Co. KG
The model A51 bimetal thermometer has been developed as a high-quality version for simple temperature indication in heating, air-conditioning and ventilation applications. 

The modular design enables a multitude of combinations of case materials, nominal sizes, scale ranges and stem lengths.
Features
  • Scale ranges from -30 ... +250 °C. 
  • Nominal size 63, 80 and 100. 
  • Different connection designs. 
The model A51 bimetal thermometer has been developed as a high-quality version for simple temperature indication in heating, air-conditioning and ventilation applications. 

The modular design enables a multitude of combinations of case materials, nominal sizes, scale ranges and stem lengths.
Features
  • Scale ranges from -30 ... +250 °C. 
  • Nominal size 63, 80 and 100. 
  • Different connection designs. 

Specifications

Measuring Element

  • Bimetal coil

Nominal Size in mm

  • 100
  • 80
  • 63

Working Range

  • Full scale value

Scale Range

  • -30 … +250° C

Case

  • Steel, Galvanised

Connection Location

  • Back Mount, centre

Stem

  • Copper Alloy

Air Conditioning & Ventilation

  • Smooth Connection, with sliding Plastic flange
  • Smooth Connection, with Rear Mounting flange

Liquid Media

  • Smooth Connection, with 18 mm collar diameter for thermowell Mounting

Dial

  • White plastic, Black Lettering from 160° C: Aluminium

Pointer

  • Aluminium, Black

Window

  • Plastic

Thermowell Version

  • Class 1 per EN 13190

For Mounting Flanges & Rear Mounting Flange

  • Class 2 per EN 13190

Zero Adjustment

  • At Bottom of Stem

Applications

  • Heating systems
  • Refrigeration and air-conditioning technology
  • Ventilation systems