Technical Data
6
2
Technical Data
2.1
Wöhler HF 550 Wood Moisture Meter
General technical data
Connections
Wöhler Hammer Probe, Lance Probe,
Wöhler FW 550 Moisture Scale,
Temperature Probe, USB-data transfer
Power supply
Lithium-ion battery 3.6V, 2,250 mAh, charging via USB
Working time
ca. 20 h
(depending on the operating mode and the Display Backlight)
Storage
Temperature
-20°C to +50°C
Operating
temperature
+5°C to +40 °C
Weight
255 g (without probe)
Size
59 x 38 x 200 mm
Moisture measurement of firewood logs
Display
Wood moisture u
displayed in % relative to the dry mass of fuel;
user can switch to
water content w
displayed in % relative to the
moist mass of fuel
Wood species
14 wood species to choose from
Temperature
compensation
Measures temperature of material by means of a temperature
probe
Measurement
principle
Electrical resistance measurement
Range
Moisture: 10.0 % u - 40.0 % u, resolution 0.1 % u
Water content: 9.0 % w - 29.0 % w, resolution 0.1 % w
Accuracy
± 40 % of reading according to VDI 4206 page 4
