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Model 52 Bimetallic Thermometer
Brand: WIKA Instruments Ltd.
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
