DPT-MOD - PRESSURE and AIRFLOW MEASUREMENT AND MODBUS COMMUNICATION

Product Details:

Display Digital LCD
Outer Size Refer Manufacturer Datasheet
Grade Industrial
Sensor Type Differential Pressure Sensor
Material Plastic (ABS enclosure)
Processing Type Electronic
Mount Type Wall Mount
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DPT-MOD - PRESSURE and AIRFLOW MEASUREMENT AND MODBUS COMMUNICATION Product Specifications

Mount Type Wall Mount
Material Plastic (ABS enclosure)
Measure Pressure Of Air and Non-corrosive Gases
Accessories Mounting Screws Included
Sensor Type Differential Pressure Sensor
Finishing ABS Plastic Casing
Accuracy 1.5% of measurement range
Processing Type Electronic
Scale Range 0...2500 Pa (various ranges available)
Grade Industrial
Outer Size Refer Manufacturer Datasheet
Display Digital LCD

Product Description

DPT-MOD series devices include:

Two selectable functions:
Measure and monitor in-duct volume flow, velocity or
differential pressure
Measure and monitor air flow across centrifugal fans
Multiple selectable measurement units:
Volume flow: m3/s, m3/h, cfm, l/s
Velocity: m/s, ft/min
Pressure: Pa, inWC, mmWC, kPa, mbar
Modbus communication protocol

Specification

Communication:	RS-485 Modbus (RTU)
Accuracy (from applied pressure): (model 2500)	Pressure < 125 Pa = 1 % + 2 Pa Pressure > 125 Pa = 1 % + 1 Pa
Accuracy (from applied pressure): (model 7000)	Pressure < 125 Pa = 1.5 % + 2 Pa Pressure > 125 Pa = 1.5 % + 1 Pa
Zero point calibration:	automatic with autozero element (-AZ), by pushbutton or via Modbus
Measuring units:	Pressure: Pa, kPa, mbar, inchWC, mmWC, psi Flow: m³/s, m³/hr, cfm, l/s, m/s, ft/min
Measuring element:	MEMS, no flow-through
Supply voltage:	24 VAC 10 % / 24 VDC 10 %
Power consumption:	< 1.0 W
Output signal:	via Modbus
Response time:	1.020 s, selectable via menu or via Modbus
Operating temperature:	-20+50 C (with autozero calibration -5+50 C)
Protection standard:	IP54

Advanced Differential Pressure Sensing

DPT-MOD delivers accurate pressure monitoring with a scale range of 0...2500 Pa and 1.5% accuracy. Designed specifically for measuring air and non-corrosive gases in industrial environments, it supports various ranges to suit different applications.

Seamless Integration and Communication

Utilizing RS485 with Modbus RTU protocol, DPT-MOD allows for efficient data transmission and remote monitoring. This makes it ideal for integration with large-scale automation systems, enabling effective real-time control and diagnostics.

Flexible Mounting and Robust Construction

This sensor features versatile wall or conduit box mounting options and is completed with an ABS plastic casing for durability. The IP54 rating ensures resistance against dust and water splashes, making it suitable for diverse installation environments.

FAQs of DPT-MOD - PRESSURE and AIRFLOW MEASUREMENT AND MODBUS COMMUNICATION:

Q: How do I connect the DPT-MOD sensor to my building automation system?

A: You can connect the DPT-MOD via its RS485 interface using the Modbus RTU protocol. Ensure your automation platform supports Modbus RTU and configure the sensor settings according to your system requirements.

Q: What is the process for calibrating the sensor to ensure accurate readings?

A: Zero calibration can be performed easily by pressing the push button on the sensor or by enabling automatic zeroing. This process should be done periodically or if you notice deviation in the measured values.

Q: Where can the DPT-MOD be installed for optimal performance?

A: The sensor is designed for surface or conduit box mounting, making it suitable for walls or other flat surfaces. Its IP54 rating allows it to be used in industrial or HVAC environments where dust and occasional splashes are present.

Q: What are the main benefits of using the DPT-MOD for airflow measurement?

A: DPT-MOD allows airflow measurement through K-factor settings, providing both pressure and airflow data from a single device. This streamlines system design and improves overall monitoring efficiency in HVAC and ventilation applications.

Q: When should I adjust the K-factor for airflow measurement?

A: Adjust the K-factor when the sensor is used for airflow measurement with ducts or vents of varying sizes. Proper K-factor settings help ensure that airflow calculations reflect actual site conditions.

Q: What accessories are provided with the DPT-MOD sensor?

A: Mounting screws are included with the DPT-MOD to facilitate easy and secure installation to walls or conduit boxes. Consult the manufacturers datasheet for detailed accessory information.

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