3.2.2 HM9 DUO
(a)
(b)
(c)
(d)
(a) Display
(b) Measuring depth
selection button
(c) On/off button
(d) Battery compart-
ment
(e) Sensor surface
5 mm front
HM9 WS1 | WS5 | WS13 | WS25 | DUO
Device description
(f) Characteristic curve
selection
(g) Characteristic curve
selection
(h) Sensor surface 25
mm (device under-
side)
(e)
(f)
(g)
(h)
65