TDS2016 Portable Digital PH TDS Meter Shenzhen Handsome Technology Co., Ltd. Base Info Model NO.:TDS2016Display:DigitalPortable:PortableRange:0.00~1999ppm(Mg,L)Resolution:1ppm(Mg,L)Accuracy:± 2%F. SBattery:4× 1.5V (AG-13)Dimensions:151mm× 33mm× 20mmWeight:53GOrigin:China Description Pre:Retort Oil and Water 20ml Kit Next:PC-101 Swimming Pool SPA Water pH Meter