- yd300 portable water hardness meter
●portable meter for measurement of water hardness (the total concentration of calcium ion and magnesium ion). ● electrode adopts model 601-f water hardness combination electrode with patent structure. it consists of measurement electrode, reference electrode and temperature probe. replaceable measuring head, steady potential, fast response, easy to use. ●meter adopts intelligent chip design, automatic calibration, automatic temperature compensation, time display, data storage, low voltage display, etc. ● ability to switch among eight units: mmol/l, mg/l (caco3), mg/l (cao), mmol/l (boiler), mg/l (ca). three options of three units : ºfh（france）、ºdh （germany）and ºeh（uk）from wh-link communication software. ● equipped with b1、b2 and b3 calibration solution. ● ip57 waterproof rating, equipped with portable case, calibration solution and other accessories.