0.01 Bench Table Top PH Meter PH-3C/25:Bigger LCD, Identify Three Types Of Standard ... (4.00, 6.86, 9018 pH),Two Ca 0.01 Bench Table Top PH Meter PH-3C/25 Parameter ModelPH-25PH-3CRank0.050 ... .01RangepH(0.00~14.00) pH(0.00~16. ... ) mV(0~±1999) mVCResolutionpH0.01 pHmV1 mVCErrorpH±0.01 pH±1dmV±1% FSCInput Impedance≥1×1012 ΩInput Current≥1× ...