Spot Checking Handhelds Products

Durable water quality handheld pH meters deliver instant results to your mobile device. Extremely easy to use, with little or no calibration—just plug in the probe, launch the app, and go.

smarTROLL RDO Aquaculture Handheld

New! Use your iOS™ or Android™ mobile device to check dissolved oxygen levels instantly. Virtually no training required, and no calibration needed.