Set Of Combo Ph/Conductivity/Tds Tester, As Per Attached Technical Specification Enclosed. Make:Pic (Lmcm20H) /Hanna(H198129) /Milwayukee (Mw805) / Pce(Pcedrai) Or Equivalent. Valid Calibration Certificate Of Validit Y One Year Issued From Nabl/Govt Approved Test Lab To Be Produced Along With Supply. [ Warranty Period: 30 Months After The Date Of Delivery ] ]