• Hot wire probe head with temperature and humidity sensor
• Does not include Bluetooth or wired handle
• Parallel determination of relative humidity and air temperature in indoor areas, including long-term measurement
• Simply plug the probe head onto the extendable telescope for air velocity probes - and use the adapter to attach them to the universal handle with Bluetooth or cable (available to order separately)
• Must be used along with a compatible Testo multifunction instrument

The Testo 0635 1570 is a hot wire probe head with temperature and humidity sensor. Please note, this configuration does not include a Bluetooth or wired handle. Also, this cannot be used on its own - it must be used with a Testo multifunction instrument. Areas of application for the hot wire probe Ventilation ducts: Use the hot wire probe to measure air velocity, air temperature and humidity in ventilation ducts with reliability. Since the measuring range goes up to +50 m/s and the total length of the probe can be extended to 2.0 m (please order the telescope extension separately), measurements can even be carried out on large ventilation systems.