Lufft WS500-UMB User Manual

Operating Manual Compact Weather Station
54 G. Lufft Mess- und Regeltechnik GmbH, Fellbach, Germany
18.4.4 Standardization of Measurement Values in ASCII Protocol
The standardization of measurement values from 0d – 65520d corresponds to the measuring
range of the respective measurement variable.
Measurement Variable
Measuring Range
Min
Max
Unit
Temperature
Temperature
Dew point
Wet Bulb Temperature
-50.0
60.0
°C
-58.0
140.0
°F
Wind chill temperature
-60.0
70.0
°C
-76.0
158.0
°F
Humidity
Relative humidity
0.0
100.0
%
Absolute humidity
Mixing ratio
0.0
1000.0
g/m³
g/kg
Specific Enthalpy
-100.0
1000.0
kJ/kg
Pressure
Relative air pressure
Absolute air pressure
300.0
1200.0
hPa
Air Density
air density
0.0
3.0
kg/m³
Wind
Wind speed
0.0
60.0
m/s
0.0
216.0
km/h
0.0
134.2
mph
0.0
116.6
kts
Wind direction
0.0
359.9
°
wind value quality
0.0
100.0
%
Rain
Quantity
0.0
6552.0
liters / m²
0.0
6552.0
mm
0.0
257.9
inches
0.0
257952.7
mil
Quantity since last request
0.0
655.2
liters / m²
0.0
655.2
mm
0.0
25.79
inches
0.0
25795.2
mil
Precipitation type
0 = No precipitation
60 = Liquid precipitation, e.g. rain
70 = Solid precipitation, e.g. snow
Precipitation intensity
0.0
200.0
l/m²/h
0.0
200.0
mm/h
0.0
7.874
in/h
0.0
7874
mil/h
Global Radiation
Global Radiation
0.0
1400.0
W/m²
18.4.5 Error Codes in the ASCII Protocol
Various error codes are defined from 65521d – 65535d in addition to the standardisation for
the transmission of measurement values.
<code>
Description
65521d
Invalid Channel
65523d
Value Overflow
65524d
Value Underflow
65525d
Error in measurement data or no valid data available
65526d
Device / sensor is unable to execute valid measurement due to ambient conditions
65534d
Invalid Calibration
65535d
Unknown Error

Lufft WS500-UMB Specifications

General

Brand	Lufft
Model	WS500-UMB
Category	Weather Station
Language	English