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Model 52 Bi-Metallic Thermometer

Brand: WIKA Instruments
The models A52, R52 bimetallic thermometers are the entrylevel model among process thermometers. The target markets of this thermometer are air-conditioning and machine building.
Features
  • Scale ranges from -30 ... +500 °C
  • Large choice of nominal sizes from 25 ... 160 mm
  • Case and stem from stainless steel
  • 5 different connection designs
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The models A52, R52 bimetallic thermometers are the entrylevel model among process thermometers. The target markets of this thermometer are air-conditioning and machine building.
Features
  • Scale ranges from -30 ... +500 °C
  • Large choice of nominal sizes from 25 ... 160 mm
  • Case and stem from stainless steel
  • 5 different connection designs

Specifications

Measuring Element

  • Bimetal coil

Nominal Size in mm

  • 160
  • 100
  • 80
  • 63
  • 50
  • 40
  • 33
  • 25

Connection Design

  • Compression Fitting (Sliding on Stem)
  • 3: Union Nut
  • 2: Male Nut
  • 1: Plain Stem (without thread)
  • S: Standard (Male threaded Connection)

Dial

  • Aluminium, White, Black Lettering

Pointer

  • NS 50, 63, 80, 100, 160: Aluminium, Black, Adjustable Pointer
  • NS 25, 33, 40: Aluminium, Black

Window

  • NS 33: Polycarbonate
  • Instrument Glass

Permissible Operating Pressure at the Stem

  • NS 63, 80, 100, 160: max. 25 bar, Static
  • NS 25, 33, 40, 50: max. 6 bar, Static

Ingress Protection

  • NS 50, 63, 80, 100, 160: IP43 per IEC/EN 60529
  • NS 25, 33, 40: IP54 per IEC/EN 60529

Unit (Scale Range)

  • Option: °F, °C/°F (Dual Scale)
  • °C

Accuracy Class

  • NS 63, 80, 100, 160: 1 per EN 13190
  • NS 40, 50: 2 per EN 13190
  • NS 25, 33: ± 5 % of Scale Range

Working Range

  • Short time (24 h max.): Scale Range per EN 13190
  • Continuous loading: Measuring Range per EN 13190

Case, Bezel Ring, Stem, Process Connection & Spacer

  • Stainless Steel

Elbow Behind the Case

  • Aluminium, only with Lower Mount Version

Typical Applications

  • A wide range of applications in machine building, vessel, piping and apparatus construction
  • Heating technology

Documentation