Hot wire probe with Bluetooth® including temperature and humidity
![](https://static.testo.com/image/upload/c_pad,w_697,h_468/f_auto/q_auto/HQ/0635-1571-hot-wire-probe-with-bluetooth-incl-temperature-and-humidity-sensor-side.jpg?_a=BATAXdAA0)
![](http://carremmcontrols.com/cdn/shop/products/4002_1024x1024.jpg?v=1610137287)
Testo 400 - Universal Air Flow and IAQ Instrument (0560 0400) – Carremm Controls Ltd.
![](https://cdn11.bigcommerce.com/s-pq4cspw2hy/images/stencil/1280x1280/products/2901/13204/testo-400-perspective-US__87906.1679507237.jpg?c=1&imbypass=on)
Testo 400 Air Flow Kit
The Testo 425 is a compact digital hot wire anemometer with a permanently connected telescopic probe to accurately measure flow velocity, temperature and calculate volume flow in ventilation ducts of air conditioning and ventilation systems. The Testo 425 Digital Hot Wire Anemometer, used with the Testo Smart App on your smartphone, provides additional diagnostic capabilities. The Testo 425 Hot Wire Anemometer displays measurements on the two-lined, easy-to-read backlit display.
![](https://m.media-amazon.com/images/I/51RnRdTdIGL.jpg)
Testo 425 Digital Hot Wire Anemometer with App
![](https://www.testo-direct.com/images/product-tabs/Testo/testo-smart-probes/testo-405i-smartphone-on-duct-var405i-3.jpg)
Testo 405i Hot-wire Anemometer Wireless Smart Probe
![](https://www.degreec.com/wp-content/uploads/2020/12/hot-wire-anemometer-probe-sensor-heads.jpg)
Hot Wire Anemometer Probe - Degree Controls Inc
![](https://cdn11.bigcommerce.com/s-6sbwq2o2/images/stencil/300x300/products/383893/463897/06369731__45486.1661771739.jpg?c=2)
Testo 0632 1551 CO2 probe with Bluetooth, incl. temperature and
![](https://www.buerklin.com/en/images/ca7/9239247519774/400x400/hot-wire-probe-incl-temperature-humidity-sensor-bluetooth-0-50-m-s-20-to-70-c-5-95-rh-for-testo-400-440-0635-1571.png)
0635 1571, Testo, T&M Accessories and Spares
TESTO 0635 1571 热线探头(0~50m/s, -20~70°C, 5~95%RH, 700~1100hPa
Your advantagesIntuitive: clearly structured measurement menu for volume flow and parallel determination of air velocity, volume flow, air temperature
Hot wire probe with Bluetooth® including temperature and humidity sensor
Testo 405i Hot Wire Anemometer Smart Probe The testo 405i Smart Probe is a wireless instrument for measuring air flow velocity, temperature, and volume flow. It is equipped with a telescopic shaft, which extends to 15 for easy in-duct testing. You can reliably determine timed and multipoint flow traverses.
![](https://cdn11.bigcommerce.com/s-pq4cspw2hy/images/stencil/608x608/products/7703/6568/testo-405i-bend__12594.1679507138.jpg?c=1)
Testo 405i Hot-wire Anemometer Smart and Wireless Probe
![](https://static.testo.com/image/upload/c_pad,w_697,h_468/f_auto/q_auto/HQ/0635-1571-hot-wire-probe-with-bluetooth-incl-temperature-and-humidity-sensor-front.jpg?_a=BATAXdAA0)
Hot wire probe with Bluetooth® including temperature and humidity sensor
![](https://res.cloudinary.com/iwh/image/upload/q_auto,g_center/assets/1/26/0635_1570.jpg)
Testo 0635 1570 - Hot Wire Probe Head with Temperature and Humidity Sensor
![](https://www.testo-direct.com/images/product-tabs/Testo/testo-smart-probes/testo-probes-115i-605i-549i-bluetooth-var405i-2.jpg)
Testo 405i Hot-wire Anemometer Wireless Smart Probe
![](https://www.testo-direct.com/images/product-tabs/Testo/testo-smart-probes/testo-smart-probes-family-smartphones-3.jpg)
Testo 405i Hot-wire Anemometer Wireless Smart Probe