YSI 6820 Multiparameter Instrument Dust Sentry The Series 477 is FM

The Series 477 is FM approved intrinsically safe for hazardous locations

Drop-tested 1 meter at all angles*

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YSI 6820 Multiparameter Instrument Dust Sentry The Series 477 is FMA cost effective sampling system with 14 parameter reporting capability, the YSI 6820 is ideal for profiling and spot checking in lakes, rivers, wetlands, wells, estuaries, and coastal waters. The YSI 6820 measures nine parameters simultaneously, including dissolved oxygen, using the YSI Rapid PulseTM stirring independent sensor and turbidity or chlorophyll, using a sensor with a self cleaning feature for long deployments, or a standard sensor for