Bluetooth pH Conductivity TDS Meter

PHME-PC60-z
Range: -2.00 to 16.00 pH
Accuracy: ±0.01 pH±1 digit
Range: 0 to 20.0 mS/cm

9999 PPM TDS Meter Total Dissolved Solids Tester

PHME-3061
Range: 0-9999ppm
LCD display
Water proof

Cheap hand-held 9999 PPM TDS Meter Total Dissolved Solids Te

TDS Meter Water Quality Analysis Temperature

PHME-3060
Measurement accuracy of + 2% FS
Working temperature from 0 to 50oC
Low voltage prompt

TDS Meter Water Quality Analysis Measurement range from 0 to

Cheap pH Meter Aquarium Swimming Pool

PHME-21001
Resolution: 0.01 pH
Compact Portable Design
aboratories

Cheap pH Meter Aquarium Swimming Pool