Starter 3C Lab pH meter Integrated microprocessor Suitable for pH and mV measurement pH:0. ... .00 pH mV:+-1999 mV Starter 3C Lab pH meter Starter 3C pH meter employs leading edge technology with integrated microprocessor, which ... .8 pH buffer which are suitable for the instrument:Chinese standard pH buffer:pH1.68,pH4.00,pH6.86,pH9.182 ...