With SAM-1 App, SAM-1™ Smart Aqua Meter transforms Android smartphones or tablets into pH, ORP, or Conductivity/TDS meters with integral temperature measurement. Unit plugs into headphone jack of device and connects to Sensorex smart analytical sensors. Instantly recognizing smart sensor, app provides interface for measurements and managing data. Readings can be tagged with GPS location and user comments. Stored data can be transmitted via email and opened in Excel for analysis and reporting.