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Temperature Controller JTC-903 0-400℃ | Reliable Analog Thermostat with Sensor Breakage Protection
JTC-903 Pointer Temperature Controller, 0-400℃ range, K/J thermocouple compatible. Reliable relay output for oven, factory & industrial heating control, stable and easy to operate.
- Product Model: JTC-903
- Temperature Range: 0-400℃
- Input Signal Type: K-type / J-type Thermocouple
- Power Supply: AC110V/220V 50/60Hz
JTC-903 Pointer Temperature Controller
Product Overview
The JTC-903 pointer temperature controller is a reliable mechanical thermostat designed for stable and precise temperature regulation across various industrial and commercial heating systems. Built for long-term use in demanding environments, this device features an intuitive pointer display and simple knob adjustment, eliminating complex programming while delivering consistent performance. With support for K-type and J-type thermocouples, the temperature controller offers universal compatibility with most common temperature sensors, making it a versatile choice for heating equipment, ovens, and factory machinery.
Application Environment
The JTC-903 temperature controller is engineered to perform reliably in diverse operating conditions, from factory production lines to commercial kitchen ovens. The device works effectively in environments with moderate vibration and electromagnetic interference, thanks to its strong anti-interference design. Suitable for use in industrial heating furnaces, bakery ovens, cold storage systems, and construction engineering equipment, the unit maintains steady operation even with voltage fluctuations. It is also ideal for use in environments where digital devices may face reliability challenges, such as dusty workshops and high-humidity production areas.
Product Parameters
| Specification | Details |
|---|---|
| Product Name | Pointer Temperature Controller |
| Model | JTC-903 |
| Temperature Range | 0-400℃ |
| Input Signal | K-type, J-type thermocouple |
| Accuracy Grade | 1.5 |
| Control Mode | Time Proportional Adjustment |
| Output Type | Relay Output |
| Power Supply | AC110V/220V 50/60Hz |
Dimensions
The JTC-903 temperature controller features a standard 96×96mm panel design, with a total depth of 160mm to fit most industrial control panel cutouts. The recommended mounting opening size is 92±1×92±1mm, ensuring a secure and flush fit in control cabinets and equipment panels. Its compact form factor allows for easy integration into new or existing systems without requiring major modifications.
Product Features
The JTC-903 temperature controller comes equipped with several practical features to enhance safety and usability. The unit includes sensor breakage protection, which automatically disconnects the heating output if the thermocouple is damaged or poorly connected, preventing equipment overheating. The device also features a high-power transformer for stable voltage performance, along with side cooling vents to prevent overheating during prolonged use. The removable casing simplifies maintenance and troubleshooting, while the ON/OFF indicator lights provide clear visual feedback of the system’s operating status.
Installation and Usage Instructions
To install the JTC-903 temperature controller, first prepare a 92×92mm opening in the control panel and secure the device using the included mounting brackets. Connect the power supply to the corresponding terminals, ensuring the voltage matches the unit’s rated specification (110V or 220V). Next, wire the K-type or J-type thermocouple to the input terminals, and connect the heating load to the relay output terminals. Once installed, power on the temperature controller and turn the adjustment knob to set the desired temperature. The pointer display will show the current temperature, while the red ON light will illuminate when heating is active and the green OFF light will turn on when the set temperature is reached. For optimal performance, regularly check the thermocouple connection and keep the cooling vents clear of dust and debris.
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