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Product information Wireless data loggers
Wind speed – Characteristics of the HD54.3 cup anemometer
Sensor
Measuring range
Resolution (of the instrument)
Accuracy
Offset
Gain
Distance constant (63% recovery)
Wind direction – Characteristics of the HD54.D vane
Sensor
Measuring range
Resolution (of the instrument)
Accuracy
Dead band
Threshold
Rainfall quantity
Sensor
Resolution (of the instrument)
Other characteristics not reported depends on the sensor connected, please refer to the data sheet of the chosen rain gauge.
Level
Sensor
Pressure measuring range
Level measuring range
Resolution (of the instrument)
Accuracy
Solar radiation
Sensor
Measuring range
Resolution (of the instrument)
Sensitivity
Other characteristics not reported depends on the sensor connected, please refer to the data sheet of the chosen pyranometer. The
instrument also displays the mV signal of the pyranometer.
Illuminance
Sensor
Measuring range
Resolution (of the instrument)
Spectral range
Spectral response
α (temperature coefficient) f
(T)
6
Calibration uncertainty
f'1 (according to photopic curve V(l))
f
(response according to the cosine law)
2
f
(linearity)
3
f
(instrument reading error)
4
f
(fatigue)
5
Class
Drift after 1 year
Operating temperature
Reference Standard
Passive 3-cup anemometer
1...65 m/s
0.1 m/s
± 0.14 m/s @ 10 m/s installed on a flat terrain site
0.35 m/s
0.765 m s
-1
/Hz
2.55 m @ 5 m/s / 2.56 m @ 10 m/s (ASTM D 5096-02)
Continuous rotation potentiometric vane
0...359°
1°
< 1%
4° typical, 8° max.
1 m/s
Tipping bucket with NC or NO configurable contact
Configurable 0.1 – 0.2 – 0.5 mm/tipping
Sensor of pressure relative to the atmosphere
0...1 bar
Depends on the fluid density (configurable via software)
For water: 0...10 m approx.
1 hPa / 0,01 m (for water)
± 0.8% f.s. @ 25 °C
Thermopile
0...2000 W/m
2
1 W/m
2
Configurable in mV/(kW m
)
-2
Photodiode
I: 0...20,000 lux
I2: 0...200,000 lux
I: 1 lux (0...2,000 lux), 10 lux (>2,000 lux)
I2: 10 lux (0...20,000 lux), 100 lux (>20,000 lux)
According to photopic curve V(l)
See graph 1
<0.05% K
<4%
<6%
<3%
<1%
<0.5%
<0.5%
B
<1%
0...50 °C
CIE n°69 – UNI 11142
41
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