Users Manual

Operating Manual Smart Weather Sensor
38 G. Lufft Mess- und Regeltechnik GmbH, Fellbach, Germany
Figure 14: Precipitation
Sensor Settings
(Radar)
Figure 15: Precipitation
Sensor Settings (Rain
Gauge)
10.2.7 Precipitation Sensor Settings (Radar)
Heater mode: The device can be configured for heating in different operating modes.
Configure as ‘automatic’ in normal operating mode. You can find a detailed
description of the operating modes and related parameters on page 47.
Followup time precipitation type: for this time (in seconds) the detected precipitation type is
shown; to cover all events, this time must be adjusted to the poll rate.
Note: The other parameters (evaporation, correction factors, ...) can be used to adapt the
precepetation detection to special local conditions. They should only be modified after
consultation with Lufft, as they have a major influence on the functioning and accuracy of the
sensor.
10.2.8 Precipitation Sensor Settings (Rain Gauge)
The rain gauge module can be operated with resolutions 0.2mm or 0.5mm. The setting of the
resolution is to be done in two steps:
• Mechanical setting
• Configuration setting
The mechanical setting works by modifying the effective area of the funnel. The sensor is
delivered with a reduction ring, which can be mounted on the funnel to reduce the area.
Funnel with reduction ring resolution 0.5mm
Funnel without reduction ring resolution 0.2mm
Then the resolution is set in the sensor configuration using the UMB Config Tool.
Caution: If mechanical setting and configuration setting do not conform, the sensor will
deliver wrong precipitation values!