Sommy Industrial Automation Digital Temperature Controller
Sommy industrial automation digital temperature controller
Sommy TF4-M1 industrial automation temperature controller is widely used in industrial automation system controlling field. With display, control and alarm function, two freedom degree PID control, universal TC/RTD, 4~20mA, 0~10V signal input, relay and SSR output.
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Technical Datasheet
| Parameter | Specification |
| Power supply | 100-240V AC/DC (24V AC/DC can be orderd) |
| Accuracy | 0.5%F.S |
| Resolution | TC: 1℃, RTD: 0. 1℃ |
| Total current | <30mA (220V AC) |
| Output and capacity |
Relay output: capacity 3A/250VAC SSR output: 24V pulse voltage, loading 30mA |
| Input impedance | >100KΩ (0.2mA) |
| Display | Dual line 4 digital LED |
| Meter Integral current | <20mA |
| Working ambient | 0~50℃ 45~85%RH |
| Storing ambient | -20~60℃ 25~85% RH |
Model Illustration
Connection Drawing

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Sommy Automation Group Shares Co., Ltd is a professional manufacturer of various electrical and industrial instruments since 1988, which located in both Hongkong and mainland of China. SOMMY have six automatic production line with 15,000 square meters manufacture center. It integrates research and development, production and sales into a whole system. SOMMY enjoy good reputation both in domestic and foreigh automation and electric field for many years.
Sommy products mainly include: electricity transmitter, power recorder, flow totalizer, temperature controller, digital counter and timer, frequency/RPM meter, solid state relay and various sensors etc.
With principle of " Quality fist, technology guidance", we have made great success in designing various new products. We focus on quality and after-sales service of our products all the time.
Welcome enquiry and cooperation ! We will be always at your service!

1. What is the input signal of the temperaure thermostat ?
Universal TC and RTD input : ( K , J , E , T , S, PT100, CU100 , CU50 ) , 0-50mV , 0-400Ω.
Please note that 0-10V DC , 4-20mA DC input signal can be ordered.
2. What is the output of the digital thermostat ? Advantage of the thermostat ?
It has relay , ssr , 4-20mA , SCR output . One thermometer has two separate output , it can save stock and money for you if you are a distributor or wholesaler. For example: we have relay +ssr output , relay+4-20mA output , ssr+4-20mA output
3. Does the thermostat controller has programable alarm output ?
Yes , usually there is 1 alarm relay output, but 2 alarm output can be orderd.
4. What is the power supply of the pid controller ?
Our standard intelligent industrial automation digital temperature controller is 100-240V AC/DC voltage power supply, 24V DC is also available.
5. What is your warranty period for the temperature controller ?
We offer 3 years warranty period and lifetime maintenance .
6. What sizes do you have for TF series thermostat controller ?
Panel sizes: 36H*72Wmm , 48H*48Wmm , 48H*96Wmm , 96H*48Wmm,72H*72Wmm, 96H*96Wmm, 80H*160Wmm
7. Do you offer OEM or ODM service ?
Yes , we offer OEM and ODM service based on your requirement.
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