Spare AP4 sensor head
Cups: (a) slot, 2.5 x 17.5 mm, rounded ends
(b) circle, 6 mm diameter
RH sensor: Vaisala 16663HM
Temperature sensors: high precision 100K thermistors
Light sensor: unfiltered GaAsP photodiode
Cable length: 1.2m
Size/weight: 110 x 30 x 27mm, 130g incl. Cable