Analog Differential Pressure Sensor Module

Achieve Perfect Pressure Control

Optimize your greenhouse environment with the Link4 Analog Differential Pressure Sensor. Essential for safeguarding against contaminants and managing airflow efficiently.

Note: This is an analog sensor and requires a Link4 Analog Input Module for use with your Pearl system.

Key Benefits:

  • Positive Pressure Support: Keep your environment clean and controlled

  • Easy Integration: Analog voltage output compatible with 0–10V inputs

  • Fast Setup: Quick ¼” tubing connections

  • Effortless Installation: LBus-ready with snap-in DIN rail mounting

$675.00

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How to Connect Pressure Output to a Pearl Input Module

  • Voltage Output: Proportional to pressure difference (on I2C D pin)
  • Tubing Ports: ¼ in Hi and Low pressure connections
  • Power & Comm: External connectors + LBus pass- through
  • Mounting: DIN rail compatible (LBus)
1. What does this sensor measure?
It measures the difference between inside and outside air pressure.
2. How do I install it?
Connect ¼" tubing to the “Lo” (outside) and “Hi” (inside) ports. Connect the voltage output to a Pearl input module.
3. What kind of output does it provide?
It provides a voltage signal (on the D pin of the I2C connector) proportional to the pressure difference.
4. Will it prevent outside contaminants like pests or dust from entering my grow space?

Indirectly, by maintaining positive pressure, it helps reduce the chance of unfiltered outside air, pests, or dust entering your grow space.

5. How does it notify me if pressure levels are not within the desired range?

The module sends analog signals to the controller, which can trigger alarms, alerts on the cloud, or automatic equipment adjustments when pressure is out of range.

Link4 Cloud for Web, Android, and iOS

The Link4 Cloud is the latest innovation to Link4’s Cloud technology, supporting the new Pearl controller.

Monitor and set your controllers from anywhere. Create reports, view graphs, and collect data. Log notes using the Grow Journal. Do all of this and more using the intuitive user interface.

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