Low Range DP Sensors

Low range differential pressure sensors for measuring very small pressure differences.

Low range differential pressure (DP) sensors are essential for accurately measuring very small pressure differences in a variety of critical applications. These highly sensitive sensors are designed to detect and respond to minute pressure variations, making them ideal for use in cleanrooms, HVAC systems, filter monitoring, and leak detection.

• 100 Pa bi-directional range differential air pressure transmitter - Bi-directional low range 4 to 20 milliamp differential pressure transmitter covering an air pressure range from -100 to +100 pascals, for cleanrooms, isolation rooms, and filter monitoring.
• 10Pa diff range 0-20mA output air pressure sensor for automotive component testing - A very low range pressure sensor for automotive component testing use to measure pressure of air over a range of 0 to 10 Pa diff from two barbed tube hose connections, and sending the corresponding 0-20mA signal through the DIN plug electrical connection.

• DPS300 User Switchable Pressure Range, Volts or Current Output Low DP Sensor
• DPS200 HVAC Differential Pressure Transmitter
• DPS Low Differential Pressure Transmitter
• DMD341 Compact Differential Air Pressure Sensor

• Monitoring data center positive pressure with a low-range differential transducer - Low-range differential pressure transducer for verifying and monitoring critical positive air pressure between a data center equipment room and adjacent areas, ensuring compliance with required ≥5 Pa and ≥10 Pa thresholds.
• Measuring HVAC plenum and sub-floor air pressure in data centers - Monitoring the critical air pressure gradients in data center sub-floors, server rooms, and ceiling plenums. Low range differential pressure transmitter provides stable gauge pressure readings for optimizing HVAC and cooling efficiency.
• Low-range air pressure monitoring in raised floor plenums using a wireless SNMP gateway - This application required a robust method for maintaining constant pressure in a data center's underfloor plenum. The solution combines a sensitive ±25 Pa differential pressure sensor with a wireless transmitter and an Ethernet gateway that provides SNMP protocol support for seamless integration with existing network monitoring systems.
• Monitoring hot and cold aisle containment in datacenters using a differential pressure transmitter - Low range differential pressure transmitter with a local display was used to maintain precise room pressurization in a mission-critical datacenter environment for improved thermal management.
• Wireless differential pressure monitoring for room overpressure using a modbus gateway - Monitoring room pressure differentials without running new cables by utilising 4-20mA DP sensor converted into a battery-powered wireless node that integrates directly into a local SCADA system via a Modbus RS485 gateway.
• Wireless environmental sensors with custom MQTT SCADA system for energy management IoT platform - An energy management specialist required a multi-point wireless sensor network with specific accuracy requirements and a gateway that could output to their own MQTT-based SCADA system. This explains the selection of sensors and the dual gateway solution offered, covering both Modbus RTU and cellular MQTT options.

• PrimAtü 10 Low Cost Low Range Differential Air Pressure Transducer

• Bi-directional low pressure sensing for yacht engine room ventilation control - Bi-directional differential pressure transmitter with a range of -100 to +100 Pa provides the core measurement for an automated fan control system on a yacht, ensuring critical engine room pressurisation.
• Measuring negative pressure in hospital construction zones with a low range differential pressure transducer - Low-range differential pressure transmitter provides the resolution needed to verify negative pressure in hospital construction vestibules, ensuring containment of dust and airborne contaminants.
• Bidirectional -50 to +50 Pa diff pressure transmitter with user calibration adjustment - Enhance your hvac or filter monitoring system with this accurate and durable low differential pressure transmitter featuring user-adjustable zero and span.
• Balancing air pressure in marine engine rooms with a low range dp sensor - Low-range bidirectional differential pressure sensor helps maintain the critical air balance in a sealed vessel engine room, ensuring optimal engine combustion and ventilation performance.
• Monitoring vacuum depression in food powder drying towers with a low range dp transmitter - DP transmitter for precise vacuum measurement and control for coconut powder drying towers to ensure consistent product quality.
• Monitoring AHU cooling coil efficiency with a DP transmitter - Low-range differential pressure transmitter for integration with a USB data acquisition module to monitor the efficiency of AHU cooling coils, enabling a predictive maintenance schedule based on real-time data.

• Airflow and chamber pressure measurement for a portable modbus data acquisition trolley
• Heating appliance chimney draft and barometric pressure testing using differential and absolute sensors
• 20 pascal differential pressure transducer for clean rooms
• 20 Pa DP range 0-10V output air pressure sensor for building management use

• Low Differential Pressure Transmitters - Select highly sensitive low DP transmitters designed for critical applications like ventilation control, hospital isolation rooms, and laboratory environments. Features include 4-20mA signals, displays, and alarm contacts.
• Low Range DP Voltage Output Transducers - Low range differential pressure transducers are essential for monitoring and controlling air movement in a variety of applications, including ventilation systems, air extraction systems, and building management systems.

Find out more about Low Range DP Sensors to determine which product options and capabilities will best meet your application requirements.

Low range DP sensors play a crucial role in maintaining precise environmental conditions, ensuring process efficiency, and safeguarding equipment. Their ability to measure subtle pressure changes makes them invaluable in applications where even minor fluctuations can have significant consequences.

Applications

• Cleanrooms: In cleanrooms and other controlled environments, maintaining a specific pressure differential is critical to prevent contamination. Low range DP sensors are used to monitor the pressure difference between different zones, ensuring proper airflow and preventing the ingress of particles.
• HVAC Systems: These sensors are used to optimize HVAC system performance by monitoring pressure differences across filters, ducts, and air handlers. This data helps to identify clogged filters, leaks, and imbalances, improving energy efficiency and indoor air quality.
• Filter Monitoring: Low range DP sensors are commonly used to monitor the pressure drop across filters in various applications, including industrial processes, medical facilities, and air purification systems. By measuring the pressure difference, the sensors can indicate when a filter is becoming clogged and needs to be replaced.
• Leak Detection: These sensors can be used to detect leaks in sealed systems, such as pipelines, tanks, and enclosures. By monitoring pressure differences, they can identify even small leaks, preventing costly damage and ensuring safety.
• Flow Measurement: Low range DP sensors can be used to infer flow rates by measuring the pressure drop across a flow element, such as an orifice plate or Venturi meter. This is particularly useful in applications where low flow rates need to be accurately measured.