WIKA Model 73 Gas-actuated thermometer
$125.00
The WIKA Model 73 is a gas-actuated thermometer designed for precise and reliable temperature measurement in demanding industrial environments. Its stainless-steel construction and gas-filled measuring system ensure fast response and stable temperature indication across a wide measurement range.
Typical Applications:
• Chemical and petrochemical processing plants
• Oil and gas industry installations
• Power generation and energy systems
• Water and wastewater treatment facilities
• Machinery, tank and plant construction
Not Recommended For:
• Applications requiring electrical output signals to PLC or DCS systems
• Ultra-high precision laboratory temperature calibration
Selection Notes
• Confirm the required temperature measurement range for your process conditions.
• Select the proper stem length and immersion depth to ensure accurate measurement.
• Determine if a capillary connection is required for remote indication.
• Verify the appropriate process connection type (e.g., G ½, ½ NPT, M20×1.5).
• Choose the suitable mounting configuration (radial, back mount, or capillary version).
Why Choose the WIKA Model 73 Gas-Actuated Thermometer
• Wide Temperature Measurement Range
Suitable for extreme industrial conditions with ranges from approximately −200 °C to +700 °C.
• Fast Response Performance
Gas-filled measuring system provides rapid response to process temperature changes.
• Durable Stainless-Steel Construction
Case and stem made from stainless steel for excellent corrosion resistance and long service life.
• Flexible Installation Options
Available with multiple mounting designs, including radial, axial, adjustable stem, or capillary versions.
• Designed for Process Industry
Built according to EN 13190 standards and suitable for chemical, oil & gas and power industries.
FAQ
Q: How does the Model 73 gas-actuated thermometer work?
A: It uses the expansion of gas inside the measuring system. Temperature changes create pressure changes that move the pointer on the dial.
Q: What temperature range can it measure?
A: Depending on configuration, the thermometer can measure temperatures from approximately −200 °C to +700 °C.
Q: Can it be used in outdoor industrial environments?
A: Yes. The stainless-steel construction and IP-rated housing make it suitable for harsh industrial conditions.
Q: Is remote temperature indication possible?
A: Yes. Versions with capillary connections allow the dial indicator to be mounted away from the measuring point.
| Standard | EN 13190 |
|---|---|
| Nominal size | ■ 100 mm [4"] |
| Window | Laminated safety glass |
| Damping | With liquid damping (silicone oil) |
| Materials (non-wetted) | Stainless steel 304 |
| Type of measuring element | Gas-pressure inert gas filling, physiologically safe |
| Accuracy specifications | Class 1 per EN 13190 |
| Scale range in °C | -200-250 |
| Measuring range in °C | -170-550 |
| Scale interval in °C | 5-10 |
| Error limit in accordance with EN 13190 ±°C | 5-10 |
| Thread size | ■ Plain, without thread |
| Ambient temperature (on the case) | ■ -40 … +60 °C [-40 … +140 °F] |
| Max. operating pressure at the stem | Max. 25 bar [363 psi], static |
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