High Precision LED 4-20mA Temperature Controller

High Precision LED 4-20mA Temperature Controller

Digital thermostat control boards are used in a variety of technologies across numerous industries. With our years of contract manufacturer experience, we bring high-end design, engineering and manufacturing services to a wide range of industries.

Product Introduction

As a company specializing in the production and trading of electronic prototype board, industrial automation control panel, amplifier circuit board, we strive for quality excellence and total customer satisfaction. We tailor our services to meet the individual needs. Our personnel selection mechanism truly reflects the full use of talents and lays the foundation for attracting more excellent talents. We sincerely hope that we will continue to cooperate with the vast number of users and all walks of life in order to advance hand in hand and develop together from now on. We improve the efficiency of materials by optimizing the management system and using new technology and equipment. Our human philosophy advocates integrity, honesty, innovation and responsible professionalism.

Digital thermostat control board


Digital thermostat control boards are used in a variety of technologies across numerous industries. With our years of contract manufacturer experience, we bring high-end design, engineering and manufacturing services to a wide range of industries. With over 20 years of experience in this very special market, TECOO is an expert in electronics manufacturing solutions for this industry.


Basic parameters

Temperature range: -50-110℃

Control accuracy: 0.1℃

Refresh rate: 0.5S

High temperature protection: 0-110℃

Supply voltage: DC 12V

Quiescent current: ≤35MA, attracting current ≤65MA

Output voltage: DC 12V

Output power: 20A relay

Measurement input: NTC (10K 0.5%) waterproof sensor

Environmental requirements: -10~60℃, humidity 20%-85%

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Digital Thermostat Control Board Function

◆ High current: Our digital temperature control board adopts high-density PC board mounting technology, although the size is small, the switching capacity can reach 10A.

◆ The controller automatically performs relay ON/OFF. The output of the thermostat is 10A relay, which can meet various high-power loads

◆ LCD Display: With a bright LCD display design, people can clearly check the temperature from any angle.

◆ User-friendly functions: The temperature control module has real-time temperature reporting, temperature correction function, high temperature alarm, emergency stop function, and supports UART settings, making the module reliable and easy to use.


Scope of application

With a digital thermostat control board, it can be widely used in household appliances, office machines, audio, equipment, automobiles, etc.


TECOO as a expert electronic manufacturing service provider for digital thermostat control board, from printed circuit board assembly (PCBA) to complete product assembly and testing, it means handling complex electronic circuit boards (may have additional mechanical enclosures - sheet metal Gold, CNC, Plastic) to achieve perfect results for our customers.


Our company has been engaged in the High Precision LED 4-20mA Temperature Controller industry for many years and devoted to customers premium products with a professional technology and reasonable price. We attach great importance to the construction of corporate culture, passing on corporate values and business philosophy to our employees, thus creating a highly cohesive team. We recognize that energy conservation and emission reduction are not only an important way to save energy and resources and protect the ecological environment, but also the only way to implement the scientific development concept and transform the development mode.

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