Máy đo tốc độ dòng hiển thị số -  Digital Flowmeter - hãng: HYDRO-BIOS - Đức

for determination of the amount of water passing throught a plankton net, with mechanical counter - 5 digits, diameter of impeller 75mm. Easy installation by single or double point connection.

for horizontal operation
No. 438 110

for vertical operation with back-run stop
No. 438 115