$60.66

Conductivity Meter Online Conductivity Meter TDS Instrument EC Meter CM-230S

$360

HACH SC200

$980

Calcium Ion Meter Ca Ion Meter wih Standard Solution 0.02-40100ppm ±1999.9mV

$616.55

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

$1100

1pcs Mettler Toledo DM140-SC 00089598 HP electrode

$369

OMEGA CDH-287 PORTABLE CONDUCTIVITY / RESISTIVITY / TDS / SALINITY METER (REF01)

$240.34

Benchtop Conductivity Tester with Conductivity Solutions Instrument Level 1.5

$272.98

Acidity Meter PHS-25/3C Bench-top Digital Display Acidity Meter Laboratory PH

$174.4

On-line PH Meter Portable Industrial pH Controller Meter with Range 0 to 14pH

$1136.53

Portable Water Quality Meter Dissolved Oxygen Meter pH TDS Conductivity Teste

$980

1pcs Mettler inpro3251/120/PT100 52002585 pH electrode

$289.39

Conductivity Meter Measurement with 1 to 3 Points Calibration Accuracy 0.5% F.S.