Penakar Hujan Otomatis Tipe Hellman ( Hellmann Automatic Rainfall Recorder) Penakar hujan jenis hellman ini merupakan suatu alat penakar hujan berjenis recording secara otomatis / mencatat sendiri dalam recording drum.

Hellmann rain gauge consisting tunnel, protective housing with rain cover, built-in measuring vessel with float and syphoning device. Recording on a clockwork driven drum; nominal recording period 7 days; recording height 80 mm, recording chart width for 10 mm rain devided into 1/ 10 mm. Measuring range: 0…10 mm precipitation Orifice: 200 cm² Resolution: 0.1 mm Total high: 1000 mm Weight: approx. 14 kg