The Polwax DPT20 Differential Pressure Transmitter is designed for accurate and reliable monitoring of differential pressure in a variety of industrial, HVAC, and cleanroom applications. It provides outstanding performance with a full-scale accuracy of ±0.5% for ranges ≥ 0-25 mmWC and ±1.0% for ranges ≤ 0-10 mmWC, ensuring precise readings under varying operational conditions. The device features a user-friendly digital push-button interface for easy configuration and setup, making it ideal for both new installations and integration with existing systems. It supports two output options—standard 4-20 mA and optional 0-10 V—offering flexibility for a wide range of applications. With an IP65-rated ABS enclosure, the DPT20 is built for durability, providing robust protection against dust and water, making it suitable for outdoor and harsh industrial environments. The transmitter operates over a wide temperature range of 10°C to 60°C, and its integrated temperature compensation ensures consistent performance despite fluctuations. The DPT20 is also equipped with an inbuilt alarm buzzer for real-time alerts, enhancing safety and allowing for proactive responses to critical pressure changes. Available with multiple measurement ranges up to 0-700 mmWC, the DPT20 caters to various applications, including filter monitoring in HVAC systems, contamination prevention in cleanrooms, and ensuring optimal pressure in industrial processes. With its reliable design, versatility, and ease of integration, the Polwax DPT20 is an essential tool for achieving efficient and precise differential pressure monitoring.
The Polwax DPT20 Differential Pressure Transmitter is engineered to provide high-accuracy pressure monitoring across a wide range of applications, from HVAC systems to industrial processes. Known for its reliability and easy integration, the DPT20 is a cost-effective solution for differential pressure measurement needs, combining precision with ease of us. Reliable Simplicity The DPT20 is a dependable solution for users who need straightforward and accurate differential pressure monitoring. Its compact size, user-friendly setup, and compatibility with legacy systems make it a versatile choice for most HVAC and building automation tasks
Polwax DPT20
Features:
✔ Easy to Install and suitable for Panel Mounting
✔ High Accuracy and Stability
✔ Easy to configured via keys
✔ Wide Pressure Ranges
✔ Compact and Durable Design
✔ User-Friendly Configuration
The Polwax DPT20 Differential Pressure Transmitter is a reliable and efficient solution for monitoring and managing differential pressure in various applications, including HVAC systems, cleanrooms, and industrial processes. Designed for straightforward operations, it combines simplicity with precision to meet the demands of modern monitoring requirements.
Technical Data
Technical Specifications
Media compatibility
Air, non combustible, non corrosive gases
Supply Voltage
12 - 24 VDC
Accuracy (from applied pressure)
Ranges: ≤ 0 - 10 mm Wc. ±1.0%of F. S , Ranges: ≥ 0 - 25 mm Wc ±0.5% of F. S.
Output
4-20mA (std.) / 0 -10 V ( Optional )
Communication
RS485 Modbus RTU
Measuring Units
Pa & mmWC
Signal Connection
3 Wire
Load Resistance
47 to 470 Ω @ 24 VDC
Measuring Range
0-700 mmwc
Operating Temp
10° to 60°C
Storage Temp
10° to 80°C
Over Pressure
Ranges: ≤ 50 mm Wc : 9 PSI, 100 to 1000 mm Wc :19 PSI
Switch
Digital push button.
Enclosure
ABS
Protect Rating
IP65
Electrical Connections
Screw terminals
Process Connection
Push on connection for 3/16” ID tubing
Alarm
Buzzer
Response Time
500 ms
APPLICATIONS
Polwax DPT20 Differential Pressure Transmitter
The Polwax DPT20 Differential Pressure Transmitter is a versatile and reliable solution designed to measure and monitor differential pressure across various industries. Its advanced technology ensures accuracy, stability, and adaptability, making it a vital tool in numerous applications:
- HVAC Systems
- Monitoring and controlling air pressure in ducts.
- Ensuring proper airflow and ventilation.
- Optimizing energy efficiency in building management systems.
- Industrial Process Control
- Monitoring differential pressure across filters and pumps.
- Ensuring system integrity and operational efficiency in manufacturing plants.
- Cleanrooms and Laboratories
- Maintaining positive or negative pressure conditions.
- Monitoring air filtration systems for compliance with standards.
- Pharmaceutical and Healthcare Industries
- Monitoring cleanroom environments to ensure sterility.
- Ensuring compliance with Good Manufacturing Practices (GMP).
- Oil and Gas Industry
- Monitoring flow rates in pipelines by measuring pressure differences.
- Ensuring safety and efficiency in refining processes.
- Energy and Power Plants
- Monitoring boiler efficiency by measuring pressure drop.
- Controlling air and gas flow in turbines and compressors.
- Water and Wastewater Treatment
- Monitoring pressure across membranes in reverse osmosis systems.
- Ensuring efficiency in filtration processes.
- Automotive and Aerospace Industries
- Testing air filters and ensuring optimal performance.
- Measuring pressure differences in aerodynamic testing setups.
- Food and Beverage Industry
- Monitoring pressure in clean production environments.
- Ensuring proper operation of filters and separators.
Downloads
Product Brochures
➤ Technical Datasheet DIFFERENTIAL PRESSURE TRANSMITTER_POLWAX_DPT20 .cdr
Supply/ Delivery Scope
The Polwax DPT20 Differential Pressure Transmitter is delivered as a comprehensive package to ensure smooth installation and reliable performance. Each unit undergoes rigorous quality checks and is calibrated for precision before dispatch.
The standard supply includes the Polwax DPT20 transmitter unit, complete with mounting accessories to facilitate hassle-free installation. Additionally, the package contains a connection kit with standard fittings, tubing, and adaptors to simplify integration into your existing system.
To ensure ease of use, the package is accompanied by a detailed user manual, providing step-by-step installation and operational guidance. A calibration certificate is also included to validate measurement accuracy, along with a warranty card that ensures product reliability and post-purchase support.
Optional accessories such as mounting brackets, additional connectors, or communication cables can be supplied upon request, catering to specific operational needs. For installations in challenging environments, protective housing is also available.
All items are securely packaged to prevent damage during transit, ensuring that the product reaches you in pristine condition. Bulk orders can be customized with special packaging and shipping arrangements to meet your requirements.
With the Polwax DPT20 Differential Pressure Transmitter, you receive a well-rounded solution that combines quality, convenience, and adaptability to suit diverse industrial applications.
