$304.00
SE
LEICI pH meter PHB-4 0.1pH resolution Manual warming
(0.00~14.00)pH-1400~1400mV
0.1 level, (-1400~1400) mV, (0.00~14.00) pH, manual warming, automatic identification of GB 4.00pH, 6.86pH, 9.18pH three pH standard buffer solutions, support custom pH buffer solution

$388.00
SE
LEICI PHS-3C precision pH meter, manual temperature compensation
(-2.00~18.00)pH-1999~1999mV
mV range (-1999~ 1999) mV, pH range (-2.00~18.00) pH, standard composite pH electrode, electrode holder, dust cover and calibrated buffer powder

$419.00
SE
LEICI PHB-5 Portable pH Meter PH/mV/Temperature 0.01 Class
-1999~1999mV(-2.00~18.00)pH
Measure PH, mV, temperature, 0.01 level, high definition liquid crystal display, button operation, support manual/automatic temperature compensation, automatic identification of 3 kinds of buffer solution, standard three composite pH electrode, electrode hanger, silicone protective cover, wristband, calibrated buffer powder

$290.00
SE
LEICI PHS-2F precision acidity meter mV + PH 0.02 grade
(0.00~14.00)pH-1800~1800mV
Level 0.02, 0.00~14.00PH, -1800~1800mV, high definition liquid crystal display, standard composite pH electrode, electrode bracket, dust cover and calibrated buffer powder, support IP54 protection class

If you don't know how to choose "PH Meter", please consult customer service.