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Gas-actuated Thermometer with Switch Contacts - 73-8xx
Brand: WIKA Instruments Ltd.
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 ½ B
- 1/2" NPT
- G ½ 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 (max. 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
- Stainless steel 316SS
Case, Bayonet Ring
- Stainless steel 304SS (option: stainless steel 316SS)
Contact Bulb, Capillary
- Stainless steel 316SS
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 [-4 ... +140° F] without/with liquid dampening
Storage & Transport Without Liquid Dampening
- -50 … +70° C [-58 ... +158° F]
Storage & Transport with Liquid Dampening
- -40 … +70° C [-40 ... +158° F]
Permissible Operating Pressure at the Stem
- max. 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
