
R-Tek Refrigeration Thermometers
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A. Product Overview
The R-Tek RT-077 Sikka Type Thermometer is a traditional liquid-filled temperature measuring instrument designed for applications requiring continuous and easy-to-read temperature indication.
The RT-077 range includes:
• 0°C to 50°C temperature range
• 0°C to 100°C temperature range
• Alcohol-filled temperature indication
• Clear visible temperature scale
• Simple operation without complicated electronics
• Compact and practical construction
• Suitable for routine temperature monitoring
The thermometer is particularly useful where users need a straightforward temperature indicator without relying on digital electronics.
It can be used for refrigeration monitoring, storage areas, laboratories, educational applications and general industrial temperature observation.
B. Working Principle
The R-Tek RT-077 works on the thermal expansion principle of an alcohol-filled thermometer.
When the sensing portion of the thermometer is exposed to temperature, the alcohol inside responds to the temperature change.
As temperature increases, the alcohol expands and moves along the calibrated scale. When temperature decreases, the alcohol contracts.
The position of the liquid column against the graduated scale provides the temperature reading.
This mechanical measuring principle allows the thermometer to operate without electronic temperature sensors, digital displays or an external power supply.
The referenced listings specifically identify the RT-077 as an alcohol-filled Sikka Type Thermometer.
C. Why Is It Used?
The R-Tek Sikka Type Thermometer is used for simple and dependable temperature monitoring where continuous visual indication is required.
Typical uses include:
• Refrigeration temperature monitoring
• Cold storage temperature checking
• Storage room monitoring
• Laboratory temperature measurement
• Industrial process temperature observation
• Educational experiments
• Equipment temperature monitoring
• General temperature measurement
• Routine inspection applications
• Temperature monitoring where electronic instruments are not preferred
Its straightforward construction also makes it convenient for applications where users want a temperature indicator that does not require programming or complicated operation.
The 0°C to 50°C model is suited to lower temperature monitoring, while the 0°C to 100°C model provides a wider measurement range for applications involving higher temperatures.
D. Suitable Buyers
R-Tek RT-077 Refrigeration Thermometers are suitable for:
• Refrigeration service companies
• Cold storage facilities
• Food storage facilities
• HVAC contractors
• Industrial maintenance departments
• Laboratories
• Educational institutes
• Research facilities
• Pharmaceutical storage facilities
• Warehouses
• Manufacturing plants
• Quality control departments
• Process industries
• Equipment manufacturers
• Refrigeration equipment dealers
• Industrial instrumentation suppliers
They are particularly suitable for users looking for a simple alcohol-filled temperature measuring instrument for routine monitoring.
Frequently Asked Questions
1. What is the R-Tek RT-077?
The R-Tek RT-077 is a Sikka Type alcohol-filled thermometer designed for general temperature measurement and monitoring applications. Current listings show 0°C to 50°C and 0°C to 100°C versions.
2. What temperature ranges are available in the RT-077?
The verified product listings show two RT-077 variants:
• 0°C to 50°C
• 0°C to 100°C
3. Is the R-Tek RT-077 a digital thermometer?
No. The RT-077 is an alcohol-filled Sikka Type thermometer that provides temperature indication using a visible graduated scale rather than a digital display.
4. How does an alcohol-filled thermometer work?
It works using thermal expansion. The alcohol inside the thermometer expands when temperature increases and contracts when temperature decreases. The liquid position against the calibrated scale indicates the measured temperature.
5. Can the RT-077 be used for refrigeration applications?
Yes. The lower temperature RT-077 variants can be used for refrigeration, storage and general temperature monitoring where their specified temperature range is appropriate.
6. Can it be used in cold storage?
Yes. It can be considered for cold storage and storage-area temperature monitoring, provided the expected temperature remains within the selected instrument's measuring range.
7. Does the RT-077 require a battery?
The referenced listings describe it as an alcohol-filled thermometer rather than an electronic instrument. Its temperature indication therefore does not depend on a digital display or electronic sensing system.
8. What is the difference between the 0°C to 50°C and 0°C to 100°C models?
The primary difference is the measurement range. The 0°C to 50°C version is intended for applications within the lower temperature range, while the 0°C to 100°C version can monitor temperatures up to 100°C.
9. Is the RT-077 suitable for laboratory use?
Yes. Laboratory testing and temperature monitoring are specifically identified among the applications for the RT-077 listings.
10. Can the R-Tek Sikka Thermometer be used for industrial applications?
Yes. It can be used for general industrial temperature monitoring where the operating temperature falls within the instrument's specified measuring range.
11. What liquid is used inside the RT-077 thermometer?
The current product listings identify the RT-077 as an alcohol-filled thermometer.
12. Which RT-077 range should I select?
Choose the 0°C to 50°C model when your expected temperature remains within 50°C. Choose the 0°C to 100°C model when the application requires measurement of higher temperatures up to 100°C.
13. Where can R-Tek RT-077 thermometers be used?
They are suitable for refrigeration systems, storage facilities, laboratories, educational institutions, industrial equipment and general temperature observation applications.
14. Is the R-Tek RT-077 suitable for continuous temperature indication?
Yes. Its visible scale allows users to observe temperature directly, making it practical for routine and ongoing temperature checks within its specified range.

