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Gas-filled Dial Thermometers

The measuring principle is based on the volumetric temperature expansion of the gas filling in the measuring element. The measuring element is firmly connected by a capillary tube with a measuring spring. The spring transfers the expansion of the gas filling by a movement on a dial. Gas-filled dial thermometers are used for temperatures from -80°C up to +600°C. Accuracy is ± 1% of full scale deflection. Gas-filled dial thermometers can be supplied with a capillary line between measuring element and spring of up to 100m length.

STU 01 Industrial Gas Filled Thermometer

Inert gas filled expansion system, SS Case & Stem, EN 13190 Standard, Instrument Glass, Neopren Rubber Gasket, fillable, opt. with Thermowell, bottom, lower back, every angle entry, adjustable.

Gas-filled Dial Thermometers


  • Dial Size:  

4" (100mm)
5" (125mm)
6" (150mm)
8" (200mm)
10" (250mm)

  • Connection:

3/8" BSP, 1/2" BSP
1/2" NPT

  • Range:

0 to 100°C

  • Stem Diameter: 

6mm, 6.5mm, 8mm, 9.5mm, 10mm, 12mm

  • Stem length: 

100mm, 120mm, 130 mm

  • Capillary Length: 

1m, 1.5m, 2m

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