WIKA Model TI.T17/TI.T20 Bimetal Thermometers
$100.00
The WIKA TI.T17 and TI.T20 are reliable bimetal thermometers designed for accurate local temperature indication in industrial process environments. Featuring robust construction and a proven bimetal sensing element, these thermometers provide dependable temperature readings without requiring external power.
Typical Applications:
• Industrial process temperature monitoring
• Mechanical engineering and plant construction
• Pipelines, boilers and pressure vessels
• Heating and thermal systems
• General industrial machinery and equipment
Not Recommended For:
• Applications requiring electronic signal output or remote monitoring
• Ultra-high-precision laboratory calibration tasks
Selection Notes
• Confirm the required temperature measurement range based on the process conditions.
• Select appropriate stem length and insertion depth for pipe or tank installation.
• Choose the suitable process connection type (e.g., threaded fittings).
• Determine dial size and mounting orientation to ensure clear readability during operation.
Why Choose the WIKA TI.T17 / TI.T20 Bimetal Thermometers
• Reliable Mechanical Temperature Measurement
The bimetal coil sensing element ensures consistent and accurate temperature indication.
• No External Power Required
Fully mechanical operation allows installation in remote locations without electrical supply.
• Durable Industrial Design
Built with robust materials to withstand demanding industrial environments.
• Clear Dial Display
Large, easy-to-read dial enables quick temperature monitoring by operators.
• Suitable for Process Industry Applications
Widely used in pipelines, tanks and industrial equipment requiring reliable temperature indication.
FAQ
Q: How do TI.T17 and TI.T20 thermometers measure temperature?
A: They use a bimetallic coil that reacts to temperature changes and moves the pointer on the dial to display the measured temperature.
Q: Do these thermometers require electrical power?
A: No — they operate mechanically and do not require any external power supply.
Q: Where are TI.T17 / TI.T20 thermometers commonly used?
A: They are typically installed in industrial pipelines, tanks, boilers and machinery for local temperature indication.
Q: Can these thermometers be installed directly into process equipment?
A: Yes — with the appropriate threaded connection and stem length, they can be mounted directly into pipes or vessels.
| Size | 2” (68 mm) – Model T20 |
|---|---|
| Accuracy Class | 1% full-scale value (ASME B40.3) |
| Min. / Max. Ranges | -100°F to 1000°F (and equivalent °C) |
| Working Range | Steady: full-scale value |
| Under / Over Range Protection | Temporary over or under range tolerance of 50% of scale up to 500°F (260°C) |
| Connection | Plain, 7/16” hex hub with no threads |
| Stem | 304 SS, TIG welded at tip and case connection. |
| Measuring Element | Bi-metal helix |
| Dial | White aluminum, flat, with black markings |
| Case | Material: 304 SS |
| Pointer | Black aluminum |
| Standard Scales | Single: °F or °C |
| Window Gasket | Neprene |
| Window | Flat instrument glass |
| External Reset | Externally adjustable on plain connection only. No external adjustment available on threaded connections. |
| Dampening | Inert gel to minimize pointer oscillation |
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