TongAo TR-408H COD ammonia nitrogen total phosphorus total nitrogen turbidity Tester

TONGAO TR-408HCOD ammonia nitrogen total phosphorus total nitrogen turbidity Tester, can simultaneously detect COD, ammonia nitrogen, total phosphorus, total nitrogen, turbidity five parameters, digestion Colorimetric integrated tube detection, Spectrophotometric method, spectrophotometry detection, Sensitivity up to 0.001mg/L.