Samwon SD-72M-SARN Industrial PID Temperature Control Unit

Introduction – Samwon SD-72M-SARN Industrial PID Temperature Control Unit

The Samwon SD-72M-SARN Industrial PID Temperature Control Unit is a high-precision controller designed for advanced temperature regulation in industrial heating and cooling processes. With multi-input compatibility—including thermocouples, RTD PT100, DC voltage, DC current, and humidity sensors—it delivers exceptional flexibility for complex monitoring environments. Dubai Sensor provides this model as part of its professional automation lineup, supporting diverse industrial operations across the UAE and MENA region.

This controller incorporates three fully independent outputs (SSR, 4–20 mA analog, and relay), allowing users to manage multiple devices simultaneously with high responsiveness. Its PID and ON/OFF control algorithms ensure stable, accurate performance in sensitive temperature-dependent systems. The robust construction and reliable internal circuitry make it suitable for demanding applications where consistency and precision are essential.

Engineered with a clear digital display showing PV and SV values, the SD-72M-SARN simplifies configuration and real-time monitoring. Its standard 72×72 mm panel size and straightforward installation design make it convenient for integration into existing equipment and production lines. The controller also incorporates advanced alarm functions to protect machinery and ensure safe operation.

Whether used in plastics manufacturing, HVAC systems, food processing lines, or laboratory equipment, the SD-72M-SARN offers stable control, high adaptability, and long operational life—making it a solid choice for industrial automation requirements.

Key Features & Benefits

• Multi-input support: Thermocouple (K, J, R, S, B, E, T, C), RTD PT100Ω, 0–10 VDC, 1–5 VDC, 4–20 mA, and humidity sensor
  
• Three independent outputs (SSR, 4–20 mA analog, relay) for flexible system control
  
• PID and ON/OFF control modes for optimized temperature stability
  
• Wide power supply range: 100–240 VAC
  
• Advanced safety alarms including sensor break and heater break detection
  
• Clear digital display showing PV and SV for easy monitoring
  
• Compact standard size: W72 × H72 × D107 mm
  
• Reliable performance suitable for sensitive industrial processes
  

Technical Specifications – Samwon SD-72M-SARN Industrial PID Temperature Control Unit

Applications & Industries

• Plastic injection and molding temperature control
  
• Food and pharmaceutical processing equipment
  
• HVAC and industrial climate control
  
• Industrial machinery and production lines
  
• Medical device heating systems
  
• Laboratory and research temperature-sensitive processes
  

Installation, Commissioning & Maintenance

The SD-72M-SARN is designed for easy panel mounting using a standard 72×72 mm front dimension and a 68×68 mm cutout. After installation, wiring should be performed according to the selected input type and output configuration.
During commissioning, users can configure PV/SV parameters, set control mode (PID or ON/OFF), and adjust alarm thresholds to match process requirements.

Routine maintenance includes verifying sensor integrity, inspecting output load connections, and ensuring the display and terminals remain clean. Built-in alarms for sensor and heater break assist with early detection of faults, reducing downtime.

Why Choose Samwon SD-72M-SARN Industrial PID Temperature Control Unit

The SD-72M-SARN offers industrial-grade reliability with versatile input support and multiple output formats, making it suitable for sophisticated process systems. Its robust PID control ensures stable and accurate temperature regulation with minimal fluctuation.

Dubai Sensor supplies this model as part of a trusted automation portfolio, supporting industries across the UAE and MENA with high-performance and dependable control technology.

Ordering Guide

Follow the steps below to ensure correct model selection and configuration:

1. Confirm input type
   Select based on required sensor: Thermocouple, RTD, Voltage, Current, or Humidity.
   
2. Define required outputs
   Choose this model if you need SSR + 4–20 mA + Relay outputs simultaneously.
   
3. Verify control method requirement
   Suitable for both PID and ON/OFF process control.
   
4. Check installation dimensions
   Ensure compatibility with a 68×68 mm panel cutout.
   
5. Power specifications
   Ensure your system supports 100–240 VAC.
   

Dubai Sensor is the official distributor offering the SD-72M-SARN model with reliable supply and technical guidance.

FAQ

What input types does the Samwon SD-72M-SARN support?

The SD-72M-SARN supports multiple inputs including thermocouples (K, J, R, S, B, E, T, C), RTD PT100Ω, DC voltage (0–10 V, 1–5 V), DC current (4–20 mA), and humidity sensors.

How many outputs does the SD-72M-SARN have and what are their functions?

It includes three independent outputs:

• SSR for precise heater or heating element control
• 4–20 mA analog output for inverters and control valves
• Relay output for heaters, fans, or auxiliary devices

What control methods are available?

The device supports PID control for high-precision applications and ON/OFF control for simpler systems.

Does the SD-72M-SARN support communication protocols such as RS485?

No. The “N” in the model number indicates that this unit does not include serial communication.

What is displayed on the screen?

The digital display shows:

• PV (Process Value) – the actual measured temperature
• SV (Set Value) – the target temperature

What alarm features are included?

It includes 10 types of alarms such as sensor break, heater break, high/low limit alarms, and delayed alarms to avoid false alerts during startup.

Where can this controller be used?

It is suitable for plastics processing, HVAC systems, food and pharmaceutical equipment, industrial machinery, medical devices, and laboratory applications.

What are the installation dimensions?

The controller fits a 72×72 mm front panel and requires a 68×68 mm panel cutout.

Data Sheet