629HLP-06-P2-S1 – High-Precision Differential Pressure Sensor from Dwyer

1. Introduction to the Dwyer 629HLP-06-P2-S1 Differential Pressure Sensor
The 629HLP-06-P2-S1 is a differential pressure sensor from the 629HLP Series, manufactured by Dwyer Instruments (USA).
It is designed to measure the pressure difference between two points in a gas or liquid system, commonly used in HVAC, cleanrooms, water treatment, and industrial automation.
What makes this model outstanding is its ability to measure very low differential pressure with high accuracy – ideal for sensitive environments requiring continuous pressure monitoring.

2. Technical Specifications of 629HLP-06-P2-S1
(You can request a full table of English specs if needed)

3. Common Applications of 629HLP-06-P2-S1

Cleanrooms & GMP Manufacturing Facilities
• Measures differential pressure between clean zones to maintain positive or negative pressure
• Detects leaks or pressure deviations to comply with ISO 14644 or GMP standards

HVAC Systems – AHU – FCU
• Monitors filter pressure drop, ensuring optimal filtration performance and maintenance scheduling
• Measures supply and return fan differential pressure for performance optimization

Compressed Air & Water Systems
• Monitors pressure difference across valves, pipes, or filters to detect clogging or imbalance

Smart Buildings & Automation
• Connects to BMS, SCADA, or PLC systems for real-time monitoring and automated control

4. Key Benefits of Dwyer 629HLP-06-P2-S1

Highly Accurate Low Differential Pressure Measurement
Capable of detecting minute pressure differences as low as ±6 inH₂O – critical for cleanroom and sensitive control environments.

Industrial 4–20 mA Output Signal
Compatible with most controllers (PLC/BMS), provides long-distance, noise-resistant signal transmission.

Durable, Corrosion-Resistant Materials
Wetted parts made from 316L stainless steel – resistant to moisture and mild chemicals.

Compact Design – Flexible Mounting
Compact housing can be mounted on panels, walls, or technical enclosures. Standard NPT port for easy piping integration.

IP65 Protection
Dust- and water-resistant housing ensures reliable performance in industrial environments.

5. Installation Guide for 629HLP-06-P2-S1 Differential Pressure Sensor

Preparation
• Identify the two measurement points (High and Low)
• Shut down the system for safety before installation

Mechanical Installation
• Connect the HIGH and LOW ports to the respective measurement points
• Use appropriate flexible tubing resistant to pressure
• Mount the sensor using a base or bracket

Signal Wiring
• Use a 2-wire cable (power and signal) to connect to the controller
• Verify 4–20 mA output and configure input on PLC/BMS

Function Check
• Power up the system and monitor the sensor output
• Compare with a calibrated reference device for fine-tuning if needed

6. DLK – Official Distributor of Dwyer Pressure Sensors in Vietnam

DLK Co., Ltd. is the authorized distributor of Dwyer Instruments in Vietnam.
We supply a full range of pressure sensors, differential pressure transmitters, and Magnehelic® gauges for modern technical systems.

Why choose DLK?
• Genuine products with full CO-CQ documentation
• Expert technical support and model selection guidance
• Ready stock, nationwide fast delivery
• On-site calibration and installation support (upon request)

Are you looking for a high-accuracy differential pressure sensor for cleanrooms, HVAC, or manufacturing plants?
Dwyer’s 629HLP-06-P2-S1 is your ideal choice – accurate, reliable, and easy to integrate.