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smarTROLL Handheld with Multiparameter Probe
Manufactured by:  In-Situ


  • Real-time data
  • Instant data-sharing
  • Replaceable Battery Pack (iOS) or rechargeable Power Pack (Android)
  • Site tagging with photos and GPS coordinates
  • Auto-calibration functions
  • Field-replaceable sensor
  • Compatible with low-flow kit (sold separately)


  • Reduce costs – Use your existing iOS or Android mobile device and avoid buying bulky, expensive meters.
  • Save time in the field — The intuitive mobile app (iSitu App for iOS or VuSitu App for Android) simplifies data collection, with calibrations that last for months. No training required, and no waiting for warmup or setup.
  • Easy data-sharing – Probe gives you instant results that can be emailed on the spot.
  • Get built-in support — access free, 24/7 tech support right from the app.