DHK-203 Digital Temperature Controller – Reliable and Accurate Temperature Control

Product General Information:

Description:

The DHK-203 Digital Temperature Controller is a highly reliable and easy-to-use temperature controller designed for a variety of applications. This controller is ideal for temperature-sensitive environments like refrigeration, incubators, HVAC systems, and food processing. With a precise sensor and dual relay outputs, the DHK-203 ensures stable and accurate temperature control, making it suitable for both commercial and industrial applications.

1. Accurate Temperature Control

The DHK-203 is designed to deliver precise temperature control with an accuracy of ±1°C, ensuring stable performance in environments that require reliable temperature regulation.

• Temperature Range: -40°C to +99°C
• Accuracy: ±1°C for precise temperature management.

2. Dual Relay Output for Heating and Cooling

This temperature controller features dual relay outputs, allowing it to control both heating and cooling systems. The DHK-203 can automatically switch between heating and cooling modes to maintain the desired temperature range.

• Heating and Cooling Control: Seamlessly manage heating and cooling systems.
• Automatic Adjustment: Maintains the optimal temperature without manual intervention.

3. LED Digital Display for Easy Monitoring

The DHK-203 has a bright LED display that shows the current temperature clearly, making it easy to monitor and adjust temperature settings. The display also provides a simple interface for programming and setting high and low limits.

• LED Display: Bright, clear display for real-time temperature readings.
• Easy Controls: Simple to use and adjust settings as needed.

4. Programmable High/Low Limits

The DHK-203 allows users to set high and low temperature limits, and it will automatically adjust heating or cooling processes to stay within those parameters. This feature makes it perfect for environments requiring constant temperature control.

• Set Limits: Easily program high and low temperature thresholds.
• Automatic Control: Ensures optimal temperature is maintained within set limits.

5. Safety Features for Secure Operation

The DHK-203 includes important safety features like over-temperature protection and sensor fault detection. These features ensure safe operation by shutting off the system in case of dangerous temperature fluctuations or sensor failures.

• Over-Temperature Protection: Prevents overheating by turning off the system when limits are exceeded.
• Sensor Fault Detection: Alerts you if there is an issue with the temperature sensor, ensuring reliability.

6. Durable and Compact Design

Built for long-lasting use, the DHK-203 features a compact and durable design that fits easily into different systems. Its robust construction ensures reliability even in challenging industrial or commercial environments.

• Compact Size: Easily integrates into a wide range of systems.
• Durable Construction: Designed for long-term use in demanding environments.

Specifications:

This product is a general-purpose single-sensor thermostat with functionssuch as refrigeration, defrosting, fan, and lighting temperature over-limitalarm. lt is suitable for refrigeration industries such as freezers, refrigerators,island cabinets, etc.

Power supply voltage: 220VAC±10% 50Hz/60Hz

Temperature display range: -50℃~120℃

Temperature control range: -40℃~20℃

Sensor type: NTC

Working temperature: -10℃~60℃

Working environment relative humidity: not more than 80% (no condensation)

Compressor relay capacity: 30A/250V,

Defrosting, fan, lighting relay capacity: 10A/250V

Applications: