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DEI Digital Temperature Controller & Thermometer
The DEI-104F and DEI-625E are Taiwan refrigeration temperature control and display products designed for applications such as commercial refrigeration equipment, chillers, refrigerated cabinets and related cooling systems.
Choose the DEI-104F when temperature and compressor control are required, or the DEI-625E for compatible temperature display/controller system applications.
DEI-104F DEI-625E Taiwan Digital Temperature Control Refrigeration🌡️ DEI Refrigeration Temperature Control
Reliable temperature control is an important part of any commercial refrigeration system. DEI electronic temperature products provide a convenient digital interface for monitoring and controlling temperature in compatible refrigeration equipment.
⚙️ DEI-104F
Digital refrigeration temperature controller with NTC sensor, compressor control, temperature setting, compressor protection and defrost timing functions.📊 DEI-625E
Digital temperature display / thermometer used in compatible refrigeration temperature monitoring and controller arrangements.Need to control refrigeration temperature and compressor operation? → DEI-104F
Need a DEI digital temperature display / thermometer? → DEI-625E
📋 Available Models
| Model | Product Type | Application | Origin |
|---|---|---|---|
| DEI-104F | Digital Temperature Controller | Refrigeration / Chiller Temperature Control | Taiwan |
| DEI-625E | Digital Thermometer / Temperature Display | Refrigeration Temperature Monitoring | Taiwan |
⚙️ DEI-104F Digital Temperature Controller
DEI-104F
The DEI-104F is a microcomputer-based digital temperature controller designed for refrigeration applications. It monitors cabinet temperature through an NTC temperature sensor and controls compressor operation according to the programmed temperature setpoint and differential.
| Specification | DEI-104F |
|---|---|
| Power Supply | AC 100–240 V, Single Phase, 50/60 Hz |
| Power Consumption | Maximum 5 W |
| Temperature Range | -40°C to +55°C |
| Temperature Accuracy | ±1°C |
| Display Resolution | 0.5°C step |
| Sensor | NTC, 1.5 m |
| Compressor Output | 0.5 HP / 220 VAC or 0.25 HP / 110 VAC |
| Front Panel | Approx. 34.5 × 76 mm |
| Operating Environment | -5°C to +55°C, <90% RH non-condensing |
⭐ DEI-104F Key Functions
🌡️ Digital Temperature Control
Controls compressor operation according to the programmed temperature setpoint and temperature differential.⚙️ Compressor Control
Automatically switches compressor output according to measured cabinet temperature.🛡️ Compressor Delay Protection
Adjustable compressor delay helps prevent rapid compressor restart and short cycling.❄️ Defrost Timing
Supports automatic defrost timing and manual defrost activation through the controller.🚨 Temperature Alarm
High and low cabinet temperature alarm parameters can be configured for refrigeration monitoring.📈 Min / Max Temperature Record
The LOG function allows stored maximum and minimum cabinet temperature records to be viewed.🔒 Parameter Lock
Controller parameters can be locked to reduce accidental setting changes.💾 Parameter Memory
Stored parameter values are retained following a power interruption.🎯 Temperature Calibration
Temperature offset adjustment can compensate for sensor aging or measurement differences.📟 DEI-625E Digital Thermometer
DEI-625E
The DEI-625E is a digital thermometer / temperature display product for refrigeration applications. It is used where a clear digital temperature indication is required as part of a compatible refrigeration control arrangement.
| Specification | DEI-625E |
|---|---|
| Product Type | Digital Thermometer / Temperature Display |
| Incoming Supply | AC 230 / 115 V |
| Controller Supply | 12 VAC to compatible controller arrangement |
| Application | Refrigeration Temperature Monitoring |
| Origin | Taiwan |
DEI-104F and DEI-625E are not identical products. The DEI-104F is a temperature controller, while the DEI-625E is listed as a digital thermometer / temperature display product. Select according to the required refrigeration system function.
📊 DEI-104F vs DEI-625E
| Feature | DEI-104F | DEI-625E |
|---|---|---|
| Main Function | Temperature Control | Temperature Display / Thermometer |
| Digital Temperature Display | ✓ | ✓ |
| Compressor Control | ✓ | — |
| Compressor Delay Protection | ✓ | — |
| Defrost Timing | ✓ | — |
| High / Low Temperature Alarm | ✓ | — |
| Temperature Log | Min / Max Record | — |
| Typical Use | Chiller / Refrigeration Control | Refrigeration Temperature Display |
❄️ Typical Applications
🧊 Cold Rooms
Temperature monitoring and control for compatible cold-room refrigeration equipment.🥤 Display Chillers
Suitable for refrigerated display cabinets and beverage chillers.🏪 Commercial Refrigeration
Temperature control or monitoring for commercial refrigeration equipment.🥶 Refrigerated Cabinets
Suitable for compatible refrigeration cabinets requiring electronic temperature management.🍽️ Food Storage
Temperature monitoring and control for suitable refrigerated food-storage equipment.🔧 Replacement & Service
Useful for refrigeration technicians replacing compatible DEI temperature controllers or displays.🎯 Why Choose DEI Digital Temperature Control?
📟 Easy Digital Monitoring
Digital temperature indication makes refrigeration system temperature easier to check.⚙️ Practical Refrigeration Control
DEI-104F combines important refrigeration control functions within a compact electronic controller.🛡️ Compressor Protection
DEI-104F includes adjustable compressor delay protection to help manage compressor cycling.🧰 Service Friendly
Straightforward parameter setting and digital indication make the controller practical for refrigeration servicing applications.DEI Digital Controller Supplier Malaysia
RNA Engineering & Trading Sdn Bhd supplies DEI digital temperature controllers, refrigeration controls, temperature sensors and HVACR spare parts for cold rooms, commercial refrigeration and refrigeration servicing applications.
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