Boiler and Cooling Tower pH Portable Meter - HI99141 HANNA SKU: HI99141 The HI99141 is a waterproof, portable pH and temperature meter specifically designed for boilers and cooling towers. The HI72911D pre-amplified double junction pH probe features a flat tip sensor that is easy to clean and prevents solids in solutions from collecting on the sensor. The titanium body of the HI72911D functions as a potential matching pin for increased stability of readings and extended sensor life. 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