4 - 18
021326/05/10
1 Models
available
Order-No.
Heating
Supply
Analogue - Output
Meas. range
5.4033.35.040
yes
24 V AC/DC
0…20 mA (max. 500 ohm)
5.4033.35.041
yes
24 V AC/DC
4…20 mA (max. 500 ohm)
5.4033.35.061
yes
24 V AC/DC
0…10V
5.4033.35.073
yes
24 V AC/DC
0…5V
5.4033.36.040
no
10…24 V DC
0…20 mA (load 150 .. 500 ohm)
5.4033.36.041
no
10…24 V DC
4…20 mA (load 150 .. 500 ohm)
5.4033.36.061
no
13…24 V DC
0…10V
5.4033.36.073
no
13…24 V DC
0…5V
0…10 mm *
0…20 mm
0…25 mm
0…50 mm
selectable
via
DIP-switch
* Factory adjustment
Table 1: Models available
2 Application
The instrument is designed to measure the height, quantity and the intensity of the precipitation
striking the surface of the earth. The measuring principle, tipping bucket, is basing on the
description „Guide to Meteorological Instruments No 8“ of the WMO (World Meteorological
Organization).
3 Mode of Operation
The precipitation, collected by the collecting surface and the collecting funnel, is conducted into a
tipping-bucket. The tipping bucket consists of two bucket-compartments. Is one of these
compartments filled with water it tips over, and the water drains off. Meanwhile subsequent rain
falls into the newly positioned upper compartment. The tipping movement is detected by Hall-
Sensors, and a connected electronics, and produces a respective output signal.
There are two outputs available:
Output 1: Analogue output for the output of the precipitation sum as voltage- or current value.
Output 2 :Pulse output for the output of single precipitation meter pulse .
The electronics of the precipitation transmitter is equipped with a linearising system. The linearising
procedure is basing on a intensity-dependent pulse number correction for the range from approx.
0,5... 11 mm/min.
Each instrument is calibrated with a water quantity of 200cm³ (= 10 mm precipitation height).
•
Precipitation transmitters with built-in heating (5.4033.35.xxx) liquefy snow and hail and
consequently, are suitable for winter use.
•
All parts are corrosion-resistant. The casing consists of stainless steel (V2A).
