pHTestr 20 EUTECH Product Features :: Large Display Screen - dual display LCD for enhanced readability, provides comprehensive meter information :: Waterproof, Dustproof Housing - IP67 rated, maintains the integrity of your tester even in harsh conditions. Plus it floats! :: User-Replaceable Sensor - reuse the same meter body many times :: Double Junction Sensor offers longer lasting usage :: Push-Button Calibration with Auto-Buffer Recognition - quick, easy calibration with no calibration mistakes :: Choice of USA or NIST pH buffer standards with up to 3 points :: Auto-Power Off saves battery power after non-use :: Hold Function freezes reading momentarily for easy viewing :: Self-Diagnostic for easy troubleshooting (e.g battery indicator, message codes) :: Enhanced power saving allows extended power consumption up to 500 hrs with single battery set Authorized Dealer Of Shree Vissnu Scientific Company In Coimbatore, Madurai, Tiruchirappalli, Tiruppur, Salem, Erode, Thoothukudi, Karur, Tuticorin, Coimbatore, Madurai, Nilgiris, Kancheepuram, Theni, Erode, Thanjavur, , Namakkal, Krishnagiri, Coimbatore, Dindigul, Tiruppur, Theni, Tirunelveli, Vellore, Thiruvannamalai, OOty Kancheepuram, Cuddalore, Salem, Tiruppur, Cuddalore, Erode, , Erode, Namakkal, Salem, Kancheepuram, Madurai, Namakkal, Perambalur, Nilgiris, Theni, Tuticorin, pondicherry, kanjikode, Palakkad, Hosur, mandiya, Malur, Nanjangodu, hosur sipcot phase-1, phase visit us our website