DHK-203 Digital Temperature Controller – Reliable Temperature Control for Versatile Applications

Product General Information:

Description:

The DHK-203 Digital Temperature Controller is an efficient and versatile solution for managing both heating and cooling systems. It offers precise temperature regulation with dual relay outputs, making it ideal for use in HVAC systems, refrigeration, incubators, aquariums, and other industrial or commercial applications.

1. Dual Relay Output for Heating and Cooling

The DHK-203 is equipped with dual relay output, allowing it to control both heating and cooling systems simultaneously. This capability ensures that the system maintains the desired temperature, switching between heating and cooling as needed.

• Heating Control: Ideal for greenhouses, incubators, and more.
• Cooling Control: Suitable for refrigeration and aquariums.

2. Wide Temperature Range and High Accuracy

The DHK-203 operates within a temperature range of -50°C to +120°C, providing flexibility for a variety of applications. It offers ±1°C accuracy, ensuring consistent performance in maintaining your desired temperature settings.

• Temperature Range: -50°C to +120°C
• Accuracy: ±1°C, guaranteeing precise temperature control.

3. Easy-to-Read LED Display

The DHK-203 features a bright LED display that provides real-time temperature readings, allowing for easy monitoring. The user-friendly interface makes adjusting settings quick and simple, even for those unfamiliar with temperature controllers.

• LED Display: Provides clear and accurate temperature readings.
• Intuitive Controls: Allows for easy setup and adjustments.

4. Programmable Temperature Limits

The DHK-203 offers customizable high and low temperature settings, enabling the controller to automatically maintain the temperature within a pre-set range. This helps reduce manual intervention and ensures that the environment remains within the desired temperature limits.

• Customizable Settings: Set temperature thresholds according to your needs.
• Automatic Adjustment: Keeps temperature steady within pre-defined limits.

5. Compact and Durable Design

Built with a compact and rugged design, the DHK-203 is perfect for both commercial and industrial applications. Its durable construction ensures it can withstand harsh environments and long-term use.

• Compact Size: Easy to install and integrate into different systems.
• Durability: Designed for use in demanding environments.

6. Built-in Safety Features

Safety is a priority with the DHK-203, which includes over-temperature protection and sensor fault detection. These features ensure safe operation by alerting users of potential issues and preventing system failures.

• Over-Temperature Protection: Shuts off the system if the temperature exceeds safe limits.
• Sensor Fault Detection: Alerts you to sensor malfunctions, ensuring system reliability.

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: