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Temperature Gauges
WIKA S5551 Bimetal Thermometer, 0...400 °C, 6" Dial Size, 1/2" Male NPT Fitting with 360° Adjustable stem, 350 mm Stem Length, 84095925
WIKA

WIKA S5551 Bimetal Thermometer, 0...400 °C, 6" Dial Size, 1/2" Male NPT Fitting with 360° Adjustable stem, 350 mm Stem Length, 84095925

Mfr. part no.
84095925
SKU
PW-TG6-350M-400C

Specifications

Model S5551
Measuring Range 0...400 °C
Dial Size 6" (160 mm)
Secondary Scale °F
Mounting Position Back mount (axial) with 360° adjustable stem & dial
Process Connection 1/2" Male NPT Compression fitting, sliding on stem
Insertion Length 350 mm
Stem Diameter 6 mm
Body Material Stainless Steel Case & Wetted Parts
Window Flat Instrument glass
Accuracy Class Class 1 per EN 13190 Standard
Measuring System Bimetal coil
Ambient Temperature Range -40 ... +70 °C

Key Features

  • Model S5551 with 6" (160 mm) dial size for enhanced visibility from a distance.
  • Scale range 0 ... 400 °C with dual °C/°F dial for local process temperature indication.
  • Back connection design with adjustable stem and dial for convenient alignment after installation.
  • Stem and dial assembly can be rotatable through 360° and swivelling through 90°.
  • 1/2" Male NPT process connection with compression fitting sliding on the stem.
  • 350 mm insertion length with 6 mm stainless steel stem for deeper immersion applications.
  • Accuracy class 1 in accordance with EN 13190.
  • All-stainless-steel industrial construction with instrument glass window.
  • Bimetal coil measuring element for dependable mechanical operation without external power.
  • Outer black scale for °C readings and inner red scale for °F readings.

Description

The WIKA S5551 bimetal thermometer is a robust process instrument for accurate local temperature indication in demanding industrial service. Built in accordance with EN 13190 and designed for harsh and aggressive environments, it offers an all-stainless-steel construction suitable for chemical, petrochemical, oil and gas, energy, and water or wastewater applications. This version features a 0 ... 400 °C dual-scale dial, 6" dial size, back connection with 360° adjustable stem, 1/2" Male NPT process connection, and 350 mm stem length, the adjustable stem and dial arrangement helps align the viewing angle after installation for easier reading in confined or offset mounting positions.

Note: The pointer reading seen in the product images is because the bimetal thermometer begins indicating temperature as soon as the stem is exposed to its surroundings. Therefore, a reading above zero is normal even for a new/unused product. This also confirms that the thermometer is functioning properly.

Applications

  • Installations needing adjustable viewing angle.
  • Tanks, vessels and pipework with limited access.
  • Chemical and petrochemical process duty.
  • Oil and gas, energy and utilities.
  • Water and wastewater systems.

Documents

  • Wika Bimetal Thermometer Datasheet-84095925

    PDF, 45 KB

  • Wika Bimetal Thermometer Model-55 — Datasheet

    PDF, 748 KB

  • Wika Bimetal Thermometer Operating Instructions-1

    PDF, 1.6 MB

  • Wika Bimetal Thermometer Operating Instructions-2

    PDF, 656 KB

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