Testo Velocity Probes

Velocity probes Testo 400 reference meter.

Testo velocity probes are designed for use with the Testo 400 reference meter. The probes are available in a wide range of styles with features suitable for a wide range of applications.

Testo velocity probes are compatible with a telescopic handle (available as an accessory). Please consult the datasheet or contact us for additional information.

Testo Vane Probes:

Model Description Range Accuracy
0635 9443 12mm vane probe 120 to 4000 fpm ±40 fpm + 1%
0635 9540 16mm vane/temperature probe 80 to 1200 fpm ±40 fpm + 1%
0635 9640 25mm vane/temperature probe 80 to 8000 fpm ±40 fpm + 1%

Testo Thermal Probes:

Model Description Range Accuracy
0628 0035 Hot bulb probe with 6' cable 0 to 2000 fpm ±6 fpm + 5%
0635 1549 Hot bulb probe with handle 0 to 2000 fpm ±6 fpm + 5%
0635 1049 Hot bulb probe w/ telescoping handle 0 to 2000 fpm ±6 fpm + 5%