Digital Pen PH Meter dengan Automatic Temperature Control (ATC) Merek GOnDO  Model 6011A Fast response, reliable and accurate measurement 21x18 mm large LCD display for easy reading Impact resistance IP57 Waterproof rated 1 or 2 points manual calibration via screw trim pot The electrode can be change by user easily Spec: -Range : 0 - 0.14.00 -Accuracy : +/- 0.02+1 digit -resolusi: 0.01  - ATC: Yes -Power 3V x 2 lithium CR2032 Weight: 80gr (with battery) Dimension 33,5 mm x 170mm PT. MESSGERATE SUKSES MANDIRI Jl. Maulana Hasanudin Ruko Premier Village M38 Cipondoh, Tangerang 15148 INDONESIA Phone : (+62-21) 298 60 677 //  (+62-21) 298 60 701 Fax : (+62-21) 298 60 658 Whatsapp : 0812 9777 2400 Email : cs@messgerate.co.id www.b-one.co.id