Delta DTK4848R02 Temperature Controller with Dual Alarm
Delta DTK4848R02 Temperature Controller is designed for reliable thermal control in industrial automation systems where monitoring and alarm management are essential. This Delta temperature controller features a compact 1/16 DIN size, making it suitable for control panels with limited space. It uses relay output handling for stable switching and includes dual alarm outputs for improved process safety. The controller provides clear LCD indication for process value and set point, allowing operators to monitor and adjust temperature easily. Developed under Delta automation solutions, it belongs to the temperature control category and is part of the DTK Series controllers used in machine-level applications.

| Brand | Delta |
| Product Type | Temperature Controller |
| Product | DTK4848R02 |
Delta Dual Alarm Temperature Controller DTK4848R02 Technical Specifications:
| Specification | Value |
|---|---|
| Panel Size (W×H) | 4848 1/16 DIN W48 × H48mm |
| Output options | R: Relay output, 250 VAC, 5A |
| Communication option | 0: None |
| Alarm option | 2 alarm output |
| Input Voltage | AC 100 ~ 240V +/-10%, 50/60 Hz |
| Power Consumption | 5VA max. |
| Display Method | LCD display.Process value (PV): Red color, Set point (SV): Green color |
| Control Mode | PID, manual, and ON/OFF |
| Sensor Type | LCD display.Process value (PV): Red color, Set point (SV): Green color Thermocouple: K, J, T, E, N, R, S, B, L, U, TXK 3-wire Platinum RTD: Pt100, JPt100 Resistance: Cu50, Ni120 |
| Control Output | Relay output: Max. load 250VAC, 5A resistive load Voltage pulse output: DC 12V, Max. output current 40 mA Current output: DC 4 ~ 20 mA output (Load resistance: Max. 600Ω) |
| Alarm Output Type | Relay output: Max. load 250VAC, 3A resistive load |
| Display Accuracy | 0 or 1 digit to the right of the decimal point (selectable) |
| Sampling Rate | Thermocouple or platinum resistor: 0.1 sec |
| Vibration Resistance | 10 to 55 Hz, 10 m/s2 for 10 min, each in X, Y, and Z directions |
| Shock Resistance | Max. 300 m/s2, 3 times in each of 3 axes, 6 directions |
| Ambient Temperature | 0°C ~ +50°C |
| Storage Temperature | -20°C ~ +65°C |
| Altitude | Max. 2000 m |
| Relative Humidity | 35% ~ 80% RH (non-condensing) |
The Delta DTK4848R02 is built to provide stable temperature control in systems where both regulation and alarm monitoring are required. Its relay output supports reliable switching of heating or cooling devices, while the dual alarm outputs allow better control over process conditions. The compact 48 x 48 mm design ensures easy installation within standard control panels.
In industrial applications, this controller is used in machines, ovens, and process systems where maintaining accurate temperature along with safety alerts is important. It supports continuous operation with stable response and helps operators monitor system performance through clear display indications. The dual alarm functionality enhances operational awareness and helps prevent abnormal conditions.
From a system integration perspective, the Delta DTK4848R02 fits automation environments that require compact design with reliable control and alarm capability. It supports long-term operation under varying industrial conditions while maintaining consistent performance. This makes it a practical choice for applications that need dependable temperature control with added monitoring support.

