- Ombrograf | Hellmann Automatic Rainfall Recorder
Ombrograf | Hellmann Automatic Rainfall Recorder
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09 / 12 / 2019
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Detail Ombrograf | Hellmann Automatic Rainfall Recorder
Hellmann Automatic Rainfall Recorder
for continuous recording of rainfall, consisting of: stainless steel collecting funnel with limiter ring, hot galvanized sheet metal case, finished in light grey. The floating measurement system would drain independently after every 10 mm of precipitation height. Recording is made on a clockwork drum with fiber pen. In this case, 10 mm precipitation would correspond with 80 mm writing height on the drum. Graduation of paper is 1/ 10 mm, drum feed 2.29 mm/ h at 7 days revolution, 16 mm/ h at 24 hours revolution.
Specifications
Collecting area : 200 cm2
Drum Diameter : 133 x 93 mm
Weight : 14 kg
Roof diameter : 375 mm
Case diameter : 240 mm
Case height approx. : 1, 000 mm
Accessories : 1 collecting can ( 5 l content)
: 1 measuring vessel DIN 58667B
: 1 spare siphon pipe
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