Shanghai Boqu Instrument Co.,Ltd is TOP5 in Water Quality Analyzer and instruments in China ; email is michael@shboqu.com. mainly products include pH, ORP, conductivity, ion concentration, dissolved oxygen, turbidity, residual chlorine, alkali acid concentration,multi-parameter,COD,BOD,Ammonia nitrogen, total phosphorus, total nitrogen, heavy metals,flow meter,level meter,pressure sensor etc.
pHG-2091D is Dual Channel pH and ORP Analyzer,it can connection with pH and ORP sensor at same time, also with 2 ways of 4-20mA or RS485 Modbus communication.
