$265.94

Sensor PH-5022+5 meter line of JUMO online water quality detector

$80

TELEDYNE DV-23-VCR vacuum gauge 9 21 4a

$150.95

Milwaukee, SE600 Electrode Probe w/ 1m Cable for MW801 and MW802

$107.69

Apera Instruments 201T-F All-in-one pH Electrode, ATC, BNC/RCA Connector, Pol...

$1265

Mettler Toledo SevenExcellence Multiparameter Touch Panel. pH Meter

$1013.95

Milwaukee MW180 MAX pH/mV/EC/TDS/NaCl/Temp Bench Meter with Logging USA 110V

$510

Handheld Conductivity Meter TDS Meter with Solution 0.00μS/cm～200mS/cm 0.01μS/cm

$600.66

1pcs SUNTEX pH glass electrode probe METTLER TOLEDO 405-60-SC-P-PA-K19/120/3M

$1080

Multiparameter Water Quality Analyzer with Standard Solution for TDS Salinity

$402.09

Prominent PHEP-112-SE PH electrode

$460.79

One New HACH PC1R1A PH Electrode

$301.76

1pcs NEW Prominent PH electrode PHES-112-SE 150702