Klingenberg, January 2014. They are so small that you hardly notice them: With their minimal design, the new temperature sensors from WIKA fit in even the tightest of spaces. The model TF40 was developed specifically for use in ventilation ducts; the model TF41 for the measurement of outside temperatures. The measuring elements of both sensors are inserted into a UV-resistant plastic housing that measures just 44(l) x 32(w) x 30(h) mm. The new instrument, classified with IP 65 ingress protection
