
( Brand: Johnson Controls ), ( Model: A28AB-1C )
The A28AB-1C Johnson Temperature Sensor is a high-quality, precision instrument designed for precise temperature measurement applications. This sensor is manufactured by Johnson Controls, a renowned company known for its reliability and innovation in temperature control solutions.
The A28AB-1C is a digital temperature sensor, which means it provides accurate and stable temperature readings. It operates on a 3.3V DC power supply and has a wide operating temperature range of -40 C to 125 C (-40 F to 257 F), making it suitable for use in various environments and industries.
The sensor is equipped with a built-in 12-bit ADC (Analog to Digital Converter) that allows for high resolution temperature measurements. It also features a Pt1000 platinum resistance temperature sensor element, which provides excellent stability and linearity.
The A28AB-1C is designed with a small form factor, measuring only 3.5mm in diameter and 10mm in length, making it easy to integrate into various systems and devices. It also has a robust construction, with a protection class of IP67, which means it is dust-tight and can withstand immersion in up to 1 meter of water for up to 30 minutes.
This temperature sensor is compatible with a wide range of microcontrollers and data acquisition systems, making it a versatile choice for any temperature measurement application. The sensor comes with a 4-wire interface, which includes power, signal, and ground lines, ensuring reliable and noise-free communication.
In summary, the A28AB-1C Johnson Temperature Sensor is a high-performance, reliable, and versatile temperature measurement solution that delivers accurate and stable temperature readings in various environments. Its small form factor, robust construction, and wide operating temperature range make it an ideal choice for various industries and applications.
Pros of buying a A28AB-1C Johnson Thermostat:1. Energy Efficiency: The thermostat is programmable, allowing you to set different temperature settings for different times of the day, which can help reduce energy consumption and lower your heating and cooling costs.
2. Easy to Use: The thermostat has a user-friendly interface with large, easy-to-read displays, making it simple to adjust the temperature and program the settings.
3. Compatibility: The A28AB-1C is compatible with most HVAC systems, making it a versatile option for homeowners with various heating and cooling systems.
4. Durable: Johnson thermostats are known for their durability and long-lasting performance, which can save you money in the long run by reducing the need for frequent replacements.
Cons of buying a A28AB-1C Johnson Thermostat:1. Limited Features: Although the thermostat is programmable and easy to use, it may not have as many advanced features as some other smart thermostats on the market, such as Wi-Fi connectivity or voice control.
2. Installation: Installation of the thermostat may require some technical skills or the assistance of a professional, which could add to the overall cost of the purchase.
3. Price: Compared to some lower-end thermostats, the A28AB-1C may be more expensive, which could be a deterrent for some homeowners on a tight budget.
Overall, the A28AB-1C Johnson Thermostat is a great option for homeowners looking for a reliable, energy-efficient, and easy-to-use thermostat. While it may not have all the advanced features of some smart thermostats, its durability and versatility make it a worthwhile investment for many homeowners. If you are willing to spend a bit more upfront for a product that will save you money in the long run, the A28AB-1C is a solid choice. However, if you are looking for a thermostat with more advanced features, you may want to consider other options on the market.
Two 2 new old stock Johnson temperature Controls. New in box unused.