Replacing an Old FCU Controller: Compatible? | DLK

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Why choose Honeywell valve actuators for AHU/FCU systems?

In HVAC systems, especially AHUs (Air Handling Units) and FCUs (Fan Coil Units), the ability to accurately control the flow of chilled or hot water plays a crucial role in maintaining temperature, humidity, and energy efficiency



How to select the correct Dwyer humidity sensor for cold storage, pharmaceutical plants and laboratories.

In environments that require strict microclimate control, such as cold food storage, pharmaceutical factories, or laboratories, humidity is always a key parameter affecting product quality and operational safety. To ensure stability and high accuracy, selecting the appropriate humidity sensor is the first and most important step.



How to Properly Inspect and Calibrate Dwyer Sensors

In BMS, HVAC, and industrial automation systems, Dwyer sensors play a crucial role in measuring and controlling parameters such as pressure, temperature, flow, and humidity. However, to ensure the devices operate accurately and reliably, regular inspection and calibration are essential.



628-75-GH-P1-E1-S1 – Cảm biến áp suất Dwyer 628 Series ứng dụng công nghiệp

In modern industrial systems — especially HVAC, manufacturing plants, pneumatic systems, and water treatment processes — maintaining stable pressure is a key factor that determines efficiency, safety, and equipment longevity.



TE-IBG-B0644-12 – Immersion Temperature Sensor for HVAC Systems

In modern HVAC systems, monitoring and controlling the temperature of water within pipelines is a key factor in ensuring energy efficiency and operational stability. A precise measuring device enables engineers to quickly detect deviations, maintain the balance between cooling and heating loads, and extend the lifespan of the equipment.



TE-DFG-F0644-00 – Accurate Duct Temperature Sensor by Dwyer: Precision Control Solution

In modern HVAC systems, precise control of airflow temperature is critical to maintaining operational efficiency and energy savings. A standout device trusted by engineers is the Dwyer TE-DFG-F0644-00 duct temperature sensor, developed by the renowned measurement brand Dwyer Instruments (USA) and officially distributed by DLK Vietnam.



RHP-3N44 – High-Precision Temperature and Humidity Sensor for Cleanrooms

In environments that demand strict control, such as cleanrooms, laboratories, or pharmaceutical and electronics manufacturing areas, maintaining stable temperature and humidity is critical. That’s why the Dwyer RHP-3N44 sensor is a top choice for BMS and HVAC engineers to ensure regulatory compliance and environmental stability.



WFS-1001-H – Honeywell Water Flow Switch Sensor for HVAC Systems

In HVAC, chiller, and industrial piping systems, monitoring water flow is essential to ensure operational stability, prevent pump dry-run, and optimize system performance. For efficient equipment protection, the Honeywell WFS-1001-H paddle-type flow switch is a trusted choice, widely adopted in modern engineering projects.