£17.86 (£14.88 ex. VAT)
10 in stock (more can be ordered)
LED will illuminate as humidity increases – e.g. by breathing on the sensor or holding the sensor over hot water. Includes 10 humidity sensors. Requires a 6V to 9V supply.
COVID-19 Update: We are currently taking orders and aim to ship stocked items within 2 working days. Dismiss