'''Basic measurement system'''
Water-level measurement system

'''Basic Tool'''
 * From Water mount to Water velocity to see http://www.tlv.com/ja/calculator/index.php

'''Measurement Setup?'''
 * Analog out (Current 4 - 20 mA) converter at Mozumi 10,000 JPY + network router (10,000 JPY?) + SIM (300 JPY / month)) + Construction fee 
 * https://www.honda-el.co.jp/industry/HD350.html analog out (current 4 - 20 mA) (56,100 JPY /item) × # 4 (Y end (Power Supply and Network) / X end / Y arm / Shin-Atotsu (Power supply and Network)) + analog out (Current) converter 10,000 JPY
 * http://www.kairda-ndt.com/Products/Ultrasonic_Flow_Meter/2013/0426/57.html (at pipe) (around 40,000 JPY / item) × Max # 4 ( pipe at Y end station ) + analog out (Current) converter 10,000 JPY
 * Estimated budget ??? JPY