HVAC air handling and ventilation

The most popular differential pressure switch combines advanced design and precision construction to make these switches able to perform many of the tasks of...

The Model 1950G Explosion-Proof Switch combines the best features of the popular Dwyer® Series 1950 Pressure Switch with the benefit of natural gas compatibi...

Dwyer Magnehelic gage for high accuracy, guaranteed within 2% of full scale and for the wide choice of 81 models available to suit your needs precisely. Usin...

The series 3000MR Photohelic switch/gages combine the functions of a precise, highly repeatable differential pressure switch with a large easy-to-read analog...

The Capsuhelic gage is designed to give fast, accurate indication of differential pressures. The gage may be used as a readout device when measuring flowing...

Series 477 handheld digital manometers are packed with features you need to make pressure measurement and recording faster, easier and more accurate than eve...

Model 485B is a compact, hand-held instrument for measuring percentage of relative humidiy and temperature in °C or °F and also calculates dew point and wet...

Series 490A Digital Manometers are versatile, hand-held, battery operated manometers available in several basic ranges for positive or positive differential...

The Model AAFS air flow switch provides excellent sensitivity and reliability at a very reasonable price. Quality features include a rugged die cast body, st...

The Series 605 Magnehelic Indicating Transmitter provides for both visual monitoring and electronic control of very low differential pressure. The Series 605...

The Series 629C Differential Pressure Transmitter monitors differential pressure of air and compatible gases and liquids with 0.5% accuracy. The design emplo...

The Series ADPS Adjustable Differential Pressure Switch is designed for pressure, vacuum, and differential pressures. The adjustment knob allows changes to t...

The Debimo self-averaging flow sensors work on the same principle as a pitot tube. The advantage of this measurement principle is that non-laminar air flow c...

The Dwyer series DM-2000 differential pressure transmitter senses the pressure of air and compatible gases and sends a standard 4-20 mA output signal. The DM...

The Kimo HD110 is a reliable and accurate handheld meter for measuring humidity, temperature and dewpoint. Standard functions: min, max, hold, auto power off...

HDH and HDH-N transmitters have been designed for detecting CO2 and temperature in dry room spaces. The zero point of CO2-sensor will be calibrated regularly...

HDK and HDK-N transmitters are designed to detect carbon dioxide concentration and temperature inside the ventilation duct. The CO2 sensor will become self-c...

The reliable IVL air velocity transmitters work on the hot-wire measurement principle, which quarantees very good accuracy at low air velocity. The transmitt...

Infrared thermometer KIRAY 100 with dual laser sighting is a key tool to diagnose, inspect and check any temperature, with the advantage of using “no-contact...

KLH 100 is a combined relative humidity and temperature transmitter, which is made for indoor measurements. Linear 0-10 Vdc-signals are sent to the incorpora...

The LV110 series offers three different vane probes for measuring air velocities. There are van probes of 14, 70 and 100 mm. Standard functions: min, max, ho...

Micaflex MF-FD is a flow linear differential pressure transmitter specially developed for measuring air flow, together with all types of flow sensors with kn...

A reliable and accurate portable instrument for measuring pressure and differential pressure. Standard functions are: min, max, hold, self-calibration, adjus...

A reliable and accurate portable instrument for measuring pressure and differential pressure and air velocity. (with pitot tube). Standard functions are: min...