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Distrometer

Fig.1: The diagram shows the drop spectrum of derived value Z and R for one day . Basis are minute value respectively.

 


Specifications of RD-69 disdrometer
Droplet diameter: 0.3 mm to 5 mm
Measurement surface: 50 cm²
Relationship between droplet diameter D and amplitude of the output signal:
Ucompr.: Ucompr. = 0.94 D1.47
(Ucompr. in Volts, D in millimeters)
accuracy: +/- 5% of measured drop diameter
Operating voltage: 115/230 V AC, 50-400 Hz, 5 VA
Operating temperature: 0 °C to 40 °C
Dimensions:
-transducer: 10 cm x 10 cm x 17 cm
-processor: 10 cm x 23 cm x 27 cm
Weight:
-transducer: 2.4 kg
-processor: 1.8 kg
Length of cable between transducer and processor: 10 m
For Manufacturer: Fa. DISTROMET LTD, Basel

Fig. 2: The Joss-Waldvogel disdrometer


specifications of PARSIVEL-Distrometer
Wavelength of the laser diode: 780 nm
Power of the laser diode: 3 mW
Dimensions of the skylight (W x H x D): 160 mm x 1 mm x 30 mm
Measurement surface: 48 cm²
Diameter range of hydrometeors*: 0.2 - 25 mm
Speed ​​range of hydrometeors*: 0.1 - 20 m/s
weight: 15 kg
Power supply: 12 V, 600 mA
interface: RS 232
For Manufacturer: Ott Messtechnik, Kempten

 

Fig. 3: The PARSIVEL-disdrometer

* Hydrometeors = droplets and / or ice particles