Gas-Actuated Thermometer with Switch Contacts - 73-8xx

Brand: WIKA Alexander Wiegand SE & Co. KG

Wherever the process temperature has to be indicated on-site or in places that are difficult to access and, at the same time, circuits need to be switched, the gas-actuated thermometer with switch contacts finds its use.
Features
  • Instruments meet the highest standards of measurement technology. 
  • Case and stem from stainless steel. 
  • For external mounting on pipes and tanks. 
  • Gauges with inductive contacts for use in hazardous areas with ATEX approval. 
  • Gauges with electronic contacts for PLC applications. 

Specifications

Measuring Element

  • Gas-pressure inert gas filling, physiologically safe

Nominal Size in mm

  • 100
  • 160

Instrument Version

  • Back Mount (Axial)
  • Lower Mount (Radial)
  • Back Mount, Adjustable Stem and dial
  • Version with Capillary

Connection Design

  • Standard (Threaded Connection)
  • Plain Stem (without thread)
  • Male Nut
  • Union Nut
  • Compression Fitting (Sliding on Stem)
  • Union Nut and loose threaded Connection
  • Compression Fitting (Can be Adjusted on Either Capillary or Spiral Protective Sleeve)
  • Compression Fitting at the Case

Unit (Scale Range)

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

Process Connection

  • Plain, without thread
  • G 1/2 B
  • 1/2” NPT
  • G 1/2 Female
  • 1/2” NPT Female
  • M20 x 1.5
  • M24 x 1.5 Female

Accuracy Class Per DIN 16196

  • Class 1 at 23° C ± 10° C ambient Temperature

Rated Operating Ranges & Conditions

  • DIN 16196 (EN 13190)

Stem Diameter

  • 8 mm
  • Option: 12 mm
  • Option: 6 mm
  • Option: 10 mm
  • others on Request

Continuous Load (1 Year)

  • Measuring Range (DIN 16196)

Short Time (Maximum 24 H)

  • Scale Range (DIN 16196)

Window

  • Laminated Safety Glass

Contact Bulb

  • 120 x 22 x 12 mm

Adjustable Stem & Dial

  • Swivelling 90°
  • 360° rotatable

Capillary

  • Ø 2 mm
  • Minimum curve radius: 6 mm
  • Length to customer Specification
  • Option: Armoured Coating for Capillary (Ø 7 mm Spiral Protective Sleeve, flexible or PVCcoated)

Mounting Types for Instruments with Capillary

  • Surface Mounting flange, Stainless Steel
  • Instrument Mounting bracket, Aluminium die-Casting
  • Panel Mounting flange, Stainless Steel

Dampening (Option)

  • With Liquid dampening
  • With food-Compatible Liquid dampening

Stem, Process Connection

  • 316 Stainless Steel

Case, Bayonet Ring

  • Stainless Steel 304 Stainless Steel (Option: 316 Stainless Steel)

Contact Bulb, Capillary

  • 316 Stainless Steel

Dial

  • Aluminium, White, Black Lettering

Pointer

  • Aluminium, Black, Adjustable Pointer

Ingress Protection Per IEC / EN 60529

  • IP65
  • Option: IP66

Ambient (at the Case)

  • 20 … +60° C [-3° to +140° F] without/with Liquid dampening

Storage & Transport without Liquid Dampening

  • -50 … +70° C [-58° to +158° F]

Storage & Transport with Liquid Dampening

  • -40 … +70° C [-40° to +158° F]

Permissible Operating Pressure at the Stem

  • Maximum 25 bar, Static

Electrical Connection

  • Cable socket PA 6, Black
  • According to VDE 0110 insulation group C/250 V
  • Cable Gland M20 x 1.5
  • Strain relief
  • 6 Screw terminals + PE for conductor cross-section 2.5 mm²
  • Dimensions see page 12
  • others on Request

  • Control and regulation of industrial processes
  • Monitoring of plants and switching of circuits
  • Universally suitable for machine building, plant, tank, equipment manufacturing and food industry
  • Temperature measurement without medium contact
  • Mounting in instrument boards, control cabinets, control panels

Documentation

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