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Sensus Wijonarko
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WEB BASED RAIN GAUGE CALIBRATOR Sensus Wijonarko; Tatik Maftukhah; Dadang Rustandi; Bernadus Sirenden; Nur Tjahyo Darmayanti
Instrumentasi Vol 43, No 1 (2019)
Publisher : LIPI Press, Anggota IKAPI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31153/instrumentasi.v43i1.176

Abstract

Rain gauges in Indonesia need recalibration at least twice a year, viz. at the end of dry season where the rain gauges will soon work harder and at the end of rainy season where usually there are many garbage on each rain gauge orifice. Based on the direct surveys in the fields and discussions at some rain gauge calibration laboratories in Indonesian western, central, and eastern parts, the calibration officers in the visited offices generally used manual rain gauge calibrators to recalibrate rain gauges on their fields. Therefore, the dependency of calibration results to the human beings is very high. Meanwhile to avoid data gathering discontinuation, rain gauges should be recalibrated in situ. To cope with this problem and other issues related to rain gauge calibrators, a research to develop a web based rain gauge calibrator was carried out. The research result using research and development method showed that this calibrator can work well as an in situ and ex situ rain gauge calibrator.
THE MAIN PURPOSE FOR THE APPLICATION OF DOUBLE LAYER TIPPING BUCKET SENSORS IN RAINFALL MEASUREMENTS Sensus Wijonarko
Instrumentasi Vol 41, No 2 (2017)
Publisher : LIPI Press, Anggota IKAPI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/instrumentasi.v41i2.114

Abstract

The aim of this study was to investigate the main purpose for the application of double layer tipping bucket sensors based on the existing double layer tipping bucket sensor in Tegal Climatological Station, Indonesian Agency for Meteorology, Climatology, and Geophysics. Hydraulic to electric analogy and rainfall interception models from Calder, Rutter, and Gash were used as the investigation method. The result showed that double layer tipping bucket sensors were dedicated to measure high intensity rainfalls.
AN EXAMPLARY EMBODIMENT FOR A METHOD TO OBTAIN RAINFALL INFORMATION USING 48 SENSORS OF A RAINROSE INSTRUMENT Sensus Wijonarko
Instrumentasi Vol 42, No 1 (2018)
Publisher : LIPI Press, Anggota IKAPI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/instrumentasi.v42i1.116

Abstract

The purpose of this study was to show an application for a technique to gain rainfall information utilizing 48 sensors of a rainrose instrument. An analytic descriptive was employed as the study method. Even though the way to get the output was relatively complex, the result was not easy to be achieved using the available raingauges on the market.
Co-Authors Bernadus Sirenden dadang rustandi Nur Tjahyo Darmayanti Tatik Maftukhah