Water Quality
Our water quality testing equipment is designed to give you field-ready durability with accurate results you can trust. Whether you need a spot-checking handheld or a long-term monitoring probe, we’ve got your water quality testing needs covered.
 Aqua TROLL 500Flexible multiparameter sonde with smartphone interface. Suitable for all applications. |  Aqua TROLL 600 Multiparameter SondeFlexible multiparameter sonde with smartphone interface. Suitable for all applications. |  smarTROLL Multiparameter HandheldUse your iOS™ or Android™ mobile device to check 14 water quality parameters in seconds. |
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 smarTROLL RDOUse your iOS™ or Android™ mobile device to check dissolved oxygen levels instantly. Virtually no training required, and no calibration needed. |  Aqua TROLL 200Measures and records water level & pressure, conductivity, and temperature. Vented or non-vented. |  RDO TitanMeasures dissolved oxygen and temperature in process applications. |
 RDO PRO_XLow maintenance optical measurement of dissolved oxygen and temperature in process applications. |  Aqua TROLL 400All-in-one multiparameter process probe designed to measure 12 water parameters. |  LISST ABSSequoia Scientific, Inc. is proud to offer the first low-cost acoustic backscatter sensor designed specifically for measuring Suspended Sediment Concentration at a point. |
 LISST PortableXRPortable Laser Diffraction Particle Size Analyzer |