Low differential pressure transmitters for measuring very small pressure differences between two measurement points either side of a ventilation fan, both sides of an air filter or either side of clean room wall.
These low differential pressure transmitters have a 4 to 20 milliamp output scaled over a few millibar or a few inches of water, and are typically used in applications matching these requirements:
- Input: Low differential pressures of a few millibar.
- Output: 4-20mA current loop with options for a display and alarm contact switches
- Applications: Ventilation flow, filter condition, negative/positive pressure between rooms.
- Industry: HVAC, Clean Rooms, Hospitals, Laboratories, Pharmaceutical, Medical
- Media Compatibility: Mostly air and non-corrosive gases
Choose a low differential pressure transmitter from the list below to view product specification details and request a price quotation.
Products
- DPS200 HVAC Differential Pressure Transmitter - Differential air pressure sensor with a 10 volt or a 4-20mA output for building ventilation applications. Ranges from 0 to 6 mbar up to 0 to 1000 mbar.
- DPS300 User Switchable Pressure Range, Volts or Current Output Low DP Sensor - The DPS 300 is a low range HVAC differential pressure sensor. The lowest possible pressure range is 0...100 pascals. 2 or 3 switchable pressure ranges, plus volts or current output are included with most standard configurations.
- DPS Low Differential Pressure Transmitter
- 41X High Precision Low Range Pressure Transmitter
- PrimAtü 10 Low Cost Low Range Differential Air Pressure Transducer
- DMD341 Compact Differential Air Pressure Sensor
Applications
- 4 inch water column range 4-20mA differential pressure sensor for liquids - Low range wet/wet dp sensor for measuring differential pressure of a liquid from 0 to 4 inches of water column.
- -3 to 3 psi dp range high accuracy 4-20mA air pressure transmitter for water treatment use - A high accuracy low bi-directional range differential pressure transmitter for water treatment use to measure pressure of air over a range of -3 to 3 psi differential from two 1/4”-18 NPT internal process connections, and sending the corresponding 4-20mA signal through the 1/2" NPT internal cable gland electrical connection.
- -200 to 200 Pa bi-directional range 4-20mA output dp pressure transmitter for venturi tube
- -3 to 4 mbar dp range 4-20mA ATEX approved biogas pressure sensor for process control use on a 1bar line
- 1 inH2O differential intrinsically safe 4-20mA out air pressure sensor for HVAC use
- 3inH2O differential 4-20mA nitrogen pressure sensor and display for annealing furnace flow control use
- Biogas HDPE cover PD blower pressure sensor
- Minus 0.25 inWG differential pressure transmitter for negative air pressure difference
- Solvent compatible +/-100mWG dp transmitter with PTFE seals
- Wet wet DP sensor for 10 inches of water range
- DP transmitter for 10bar water line strainer cleaning indication
- Low range ATEX approved 100 Pascal range DP transmitter