Gauges used for measuring heating, ventilation and air conditioning parameters.
HVAC
HVAC Pressure Sensors
Sensors used for measuring heating, ventilation and air conditioning parameters.
inHg to bar Conversion Table
Find a value from 0.01 to 40 inches of mercury column to determine the equivalent value in bar pressure units.
inH2O to bar Conversion Table
Find a value from 1 to 1000 inches of water column to determine the equivalent value in bar pressure units.
mmHg to Pa (pascals) Conversion Table
Look-up below any value from 1 to 1000 millimetres of mercury to read off the equivalent value in pascals.
mmH2O to Pa (pascals) Conversion Table
Choose the required air pressure value between 0.1 and 100 millimetres of water and read off the matching pressure in pascals.
4 x clean rooms pressure, humidity & temperature measurement system
A complete clean room measurement system for 4 separate rooms, each with its own room pressure, humidity and air temperature indicator, and a central monitoring unit for clean room corridor or control room.
-2 to 2 inHg g 4-20mA out intake and exhaust air pressure sensor for building management use
A high accuracy bidirectional range gauge pressure sensor for building management use to measure pressure of air intake and exhaust over a range of -2 to 2 inHg g from the 1/4 NPT male process connection, and sending the corresponding 4-20mA signal through the waterproof cable electrical connection.
ProSens Environmental Monitor and Controller
The ProSens environmental monitor and controller is an industrial interface instrument which integrates a transmitter, display, meter and controller functions in one box.
1 inH2O differential intrinsically safe 4-20mA out air pressure sensor for HVAC use
A low range intrinsically safe pressure sensor for HVAC use to measure pressure of air over a range of 0 to 1 inH2O differential from two G1/4 female process connections, and sending the corresponding 4-20mA signal through the M20 x 1.5 cable gland electrical connection.
10 bar g range wireless pressure sensing kit for BMS monitoring use
Wireless pressure measurement kit for building management system controls use with a 10barg range plus a 1/4 BSP male fitting. Each pressure reading is transmitted wirelessly to a five channel base receiver, where it is converted to a 1-5Vdc or 4-20mA analogue output signal.
PrimAtü 10 Low Cost Low Range Differential Air Pressure Transducer
The PrimAtü 10 low cost low range differential air pressure transducer can detect and display both positive and negative differential pressure variations of very low low pressure ranges from 0.5 up to 1000 mbar/hPa, and output the pressure as a 4-20mA, 0-20mA or a 0-10Vdc analog output.
DPC Low Range Pressure Controller and Calibrator
The DPC low range pressure controller calibrator measures and generates low range pressures over 1, 10, 100 or 1000 mbar, and can be used as a pressure measurement device or as a test and calibration device for pressure sensors and pressure switches.
150 psig 0-10Vdc output freon refrigerant gas pressure sensor for refrigeration control systems
An all welded stainless steel gauge pressure sensor for hvac use to measure pressure of freon refrigerant gas in refrigeration control systems over a range of 0 to 150 psi g from the 1/4 NPT male process connection, and sending the corresponding 0-10Vdc signal through the weatherproof cable electrical connection.
500psig 4-20mA freshwater display, switch and pressure sensor for building management use
A combined digital display, switch contacts and gauge pressure sensor for building management use to measure pressure of freshwater over a range of 0 to 500 psi g from the 1/4 NPT male process connection, and sending the corresponding 4-20mA signal through the DIN plug electrical connection.
10 mbar differential 0-10Vdc output air pressure sensor for building management use
A pressure sensor for building management use to measure pressure of air over a range of 0 to 10 mbar differential from two G1/8 female process connections, and sending the corresponding 0-10Vdc signal through the integral cable electrical connection.
50 psi absolute 0-5Vdc output natural gas pressure sensor for boiler control use
An absolute range pressure sensor for boiler control use to measure pressure of natural gas over a range of 0 to 50 psi abs from the 1/4 NPT male process connection, and sending the corresponding 0-5Vdc signal through the DIN plug electrical connection.
3 psig range 4-20 mA output BMS natural gas or propane heater pressure sensor
A low range gauge pressure sensor for building management use to measure pressure of natural gas or propane on building heaters over a range of 0 to 3 psi g from the 1/4 NPT male process connection, and sending the corresponding 4-20mA signal through the integral cable electrical connection.
20 Pa DP range 0-10V output air pressure sensor for building management use
A low range differential pressure sensor for building management use to measure pressure of air over a range of 0 to 20 Pa diff from two barbed tubing connections, and sending the corresponding Other signal through the Other electrical connection.
5 inH2O g range 4-20mA output air pressure sensor for air cleaning use
A low range gauge pressure sensor for air cleaning use to measure pressure of air over a range of 0 to 5 inH2O g from the 1/4 NPT male process connection, and sending the corresponding 4-20mA signal through the DIN plug electrical connection.
Outside HVAC 900-1100 mbar abs baro range 4-20mA signal pressure sensor
An absolute pressure sensor for hvac use to measure pressure of air over a range of 900 to 1,100 mbar abs from the G1/2 male process connection, and sending the corresponding 4-20mA signal through the field housing electrical connection.
Climate room over/under pressure, temperature & RH monitor & controller
Wall mounted instrument for monitoring & controlling the climate in a room including room pressure, humidity and temperature sensor.
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.
Cooling tower basin water level transmitter
This low range submersible water level sensor is used to monitor the depth of water collected at the bottom of a cooling tower.
Draft Pressure Sensors
Low range pressure transducers and transmitters for measuring draft air pressure in air handling systems.
225 psi refrigerant head pressure control transducer
Pressure transducer for measuring refrigerant head pressure control with a 0-10 volts dc output with a pressure range of 0-225 psi.
R134A Coolant Pressure Transducer For Automotive Air Conditioning
All welded voltage output pressure transducer for use on R134A refrigerant coolant gas used in automotive air conditioning systems.
Rooftop make-up air unit varying gas pressure logger
Record gas pressures to determine variation in supply to your rooftop make-up air units.
1 hPa Positive Room Pressure Sensor, Switch & Display
A 100 Pascal range positive room pressure sensor with a 0-10 volt analogue output signal relating to the inside/outside room pressure difference.
Low Pressure Range
Low range pressure sensors, gauges, loggers and calibrators for measuring low pressures on filtration sytems, ventilation fans, air conditioning & handling systems.
DMP343 Low Range Pneumatic Pressure Sensor
DMP343 pneumatic pressure sensor for measuring very low range pressures on pneumatic control systems, heating, ventilation and air conditioning systems (HVAC) .
Bi-directional -20 to +100 Pa clean room air diff pressure transmitter
Air diff pressure transmitter for HVAC application to measure in the range of -20 to +100 Pa with an active analog output of 4 – 20 mA
DMD341 Compact Differential Air Pressure Sensor
Small size dp sensor for measuring differential air pressure on HVAC, compress air and pneumatic control systems.
DPS Low Differential Pressure Transmitter
Ultra low differential pressure transmitter for HVAC applications with 4-20mA current loop or amplified voltage output signal in pressure ranges from 0.1 mb up to 1 bar differential.
IMPLR Low Range All Stainless Steel OEM Pressure Sensor
Low cost sensor for measuring small pressure ranges from 0-50 mbar (10 inH2O) to 0-1000 mbar (15 psi) of liquids or gases.
mmH2O – Millimetres of Water Column at 4 deg C Pressure Unit
Millimeters of Water Column is a low range metric pressure unit derived from the hydrostatic pressure of 1mm head of water at 4 degC.
oz/in² – Ounce per Square Inch Pressure Unit
Ounce or Ounce Force per Square Inch is a low pressure unit which is part of the British and American system of units.
Clean Room Monitor for Air Differential Pressure, Temperature and Humidity – PMDS4
The PMDS4 clean room monitor is designed for positive and negative monitoring of differential air pressure between the inside and outside of a clean room.
Plenum chamber differential pressure transmitter with 100 mmWG range
Differential pressure transmitter for measuring fan plenum chamber air pressure with a 0 to 100 mm of water column range
Negative room pressure monitor and logger for multiple zones
Monitoring system to measure negative room pressure inside each of five interior zones to eliminate the spread of dust.
R22 and R410A refrigerant compatible 400 psi g pressure transmitter
All welded OEM pressure transmitter for use on refrigeration application with R22 and R410A refrigerant up to 400 psig.
50 mbar ATEX approved air duct pressure sensor
Atex rated pressure sensor for measuring up to 50 mbar in a round air duct installed in a potentially flammable area.
R21/R22 refrigerant digital pressure gauge to read up to 500psi
Digital precision pressure gauge for measuring pressure from 0 to 500 psig of R12 or R22 gas which is used in refrigeration and air conditioning equipment.
HVAC
Product selection & help guide for measurements on a HVAC systems in buildings & laboratories.
400 psi g HVAC/R pressure transducer with 0.5-4.5Vdc ratiometric output
Ratiometric output pressure transducer with a 0.5 to 4.5 volt output and a measuring range of 0 to 400 psi gauge for HVAC/R (heating, ventilation, air conditioning and refrigeration) applications.
200 psi g HVAC/R pressure transducer with 0.5-4.5Vdc ratiometric output
Ratiometric output pressure transducer with a 0.5 to 4.5 volt output and a measuring range of 0 to 200 psi gauge for HVAC/R (heating, ventilation, air conditioning and refrigeration) applications.
0.06 inWG positive air pressure transmitter for HVAC blower fan control
Air pressure differential transmitter with 4-20 mA output used in a blower speed control loop for building positive pressure up to 0.06″WG draft pressure in an HVAC system.
3000 pascal range data-logging manometer for use on air handling systems
Low range air pressure digital logging manometer for recording readings from 0 to 3000 Pa gauge.
Pa (pascals) to mmHg Conversion Table
Look-up below any value from 1 to 1000 pascals to read off the equivalent value in millimetres of mercury.
Pa (pascals) to inH2O Conversion Table
Pick out the required pressure in pascals from 1 to 1000 Pa to find the converted value in inches of water column units.
Pa (pascals) to mmH2O Conversion Table
Choose the required air pressure value between 1 and 1,000 pascals and read off the matching pressure in millimetres of water.
1.5 inWG differential pressure transducer to control positive pressure inside a building
Low range differential pressure transducer to monitor difference of up to 1.5 inches of water gauge between outside pressure and inside pressure.
1kPa diff pressure transducer for building air ventilation monitoring
Differential pressure transducer capable of measuring over 0 to 1 kilopascal for building ventilation applications.
30 mbar pressure logger for monitoring natural gas pressures
Data-logger for connecting to a natural gas supply pipework which serves a number of boilers in our building.
inH2O to Pa Conversion Table
Find a value from 1 to 1000 inches of water column to determine the equivalent value in pascals.
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.
41X High Precision Low Range Pressure Transmitter
High precision pressure transmitter for measuring very low vented gauge reference or differential air pressures. Rangeable 4-20mA or 0-10 volt output.
41X Low Range Digital Output Pressure Sensor
Low pressure sensor with a USB, RS232 or RS485 digital output interface for measuring low range gauge or differential pressures from 10 to 300 mbar.
LEO Record (Ei) Capo Low Pressure Logger
Battery powered data logger for measuring and recording low range pressures. Pressure ranges from 30 mbar (12 inH2O) up to 300 mbar (120 inH2O).
DS210 Combined Low Pressure Switch, Indicator and Sensor
Low range three in one pressure switch, pressure indicator and pressure sensor for use on pneumatics and HVAC applications.
P200IS Hazardous Area Digital Manometer
Digital pressure manometer for hazardous areas with pressure ranges from 100 mbar up to 2000 mbar differential or gauge plus 2000 mbar absolute.
2000 Digital Manometer
Hand-held portable manometer for measuring positive and negative pressure ranges from 25 mbar up to 10 bar gauge or differential plus a 2 bar absolute.