REDwire Chevrier offers versatile transmitter with a range of air velocity probes

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The Class 310 air velocity transmitter has two inputs for interchangeable probes.

Chevrier Instruments can supply the Class 310 air velocity transmitter from KIMO Canada, as well as a range of interchangeable probes. The selection of probes available makes this transmitter suitable for a variety of applications, as they can take air velocity and temperature readings across a range of distances.

Transmitter features

This transmitter has two inputs for interchangeable probes, and it can display up to four parameters simultaneously on a graphic back-lit display. The unit offers four visual and audible alarms that use a bicolour LED. The transmitter also has two analog outputs and is optionally available with two additional outputs, Ethernet communication and a MODBUS network RS485 system.

Interchangeable probes

A number of interchangeable probes are available from Chevrier Instruments for use with the Class 310 transmitter. They include SVH, SVS and SVO types.

  • The SVS type is a stainless steel hotwire probe. It can measure air velocities from zero to 30 metres a second.
  • The SVO type is an omnidirectional air velocity probe. It is capable of measuring air velocities from zero to five metres a second. This probe is supplied with a tripod and transport case.
  • The SVH type probes are differentiated by using a vane to measure air velocity. They are available in three models with vanes of different diameters, including 14-, 70- and 100-millimetre diameters. The 14-millimetre model is capable of measuring air velocity from zero to 25 metres a second, while the 70- and 100-millimetre models can measure velocities from -5 to 35 metres a second.

All of these different probes are 300 millimetres in length, have a two-metre PVC cable with a hermetic connector, and are capable of measuring temperature.

Supplier details

Chevrier Instruments supplies an extensive selection of measurement control instrumentation, ranging from probes and sensors to switches, monitors, controls and more. For additional information, visit the company’s website.


Chevrier Instruments Inc.

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