This great range of pocket testers includes a waterproof oxygen meter.
Waterproof Total Chlorine and Temperature meter
Waterproof pH and temperature meter
Waterproof ORP meter
Offers direct reading of conductivity, Total Dissolved Solids, Salinity and Temperature with one electrode
The Fluoride Tracer Pocket Tester offers direct reading of Fluoride down to 0.1 ppm with Automatic Temperature Compensation (ATC)
Oxygendisplayed as % Saturation from 0 to 200% or concentration from 0 to 20.00ppm (mg/L)
The electronic portable PockeTester™ measures the Sodium Chloride level in salt water pools with a range from 0 to 9,999 ppm; pH is measured 0.00 to 14.0 pH; TDS from 0 to 9999 ppm; and Temperature from 32.0° to 149°F.