Lutron
PH Meter with External Probe & SD Memory Lutron PH-230SD
Lutron PH-230SD PH Meter is high quality PH measurement accuracy of 0.01PH. *External PH Probe PE-03 & PH7 Calibration Solution is provided as package.
PH Meter with External Probe Lutron YK-21PH
Lutron YK-21PH PH Meter is high quality general purpose PH measurement accuracy of 0.1 PH. *External PH Probe PE-03 & PH7 Calibration Solution is provided as package.
PH Meter with External Probe Lutron PH-220
Lutron PH-220 Waterproof PH Meter with External Probe is capable of measure PH with resolution of 0.1 PH. *PH Probe & Calibration Solution (PH4/PH7) is provided as package.