Water Quality Sensors

The Analite water quality products range from a handheld turbidity probe to self-contained turbidity probes for long term deployment. The YSIwater quality products measure: Dissolved Oxygen, pH, Turbidity, Chlorophyll, Algae, Blue Green Algae (BGA) and conductivity/conductance or Salinity and more.
Refer to 'Ground Water Quality' for more water quality sensors.

Analite NEP390 series turbidity probes

The ANALITE 390 series of microprocessor based turbidity probes are designed for monitoring and process…

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Analite,
Water Quality,
Turbidity sensors, 
Turbidity probes

Analite NEP495 series turbidity probes

The ANALITE NEP495 turbidity probes can monitor and log turbidity and temperature in a sturdy self-contained…

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Analite,
Water Quality,
Turbidity sensors, 
Turbidity probes

Analite NEP5000 series turbidity probes

The NEP5000 series of digital turbidity probes are designed for environmental monitoring and process applications.…

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Analite,
Water Quality,
Turbidity sensors, 
Turbidity probes

Analite NEP9000 series turbidity probes

The ANALITE NEP9000 and NEP9500 series of analogue output turbidity probes are designed for monitoring and…

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Analite,
Water Quality,
Turbidity sensors, 
Turbidity probes

YSI-EXO series

The EXO series is the successor of the popular 6-series from YSI. Choose the new EXO1, with ports for 4…

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Water Quality

YSI-EXO1

The EXO1 sonde has ports for 4 sensors. It is rated to a depth of 250 meters.

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Water Quality

YSI-EXO 2

The EXO2 sonde has ports for 7 sensors (or 6 with a central wiper). It is rated to a depth of 250 meters.

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Water Quality

YSI-EXO Handheld

The EXO handheld provides an extremely durable, portable, weather-proof interface to the EXO sondes. The…

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Water Quality

YSI-6600 V2-4

The 6600 V2-4 is the workhorse of YSI. Rijkswaterstaat, which is the governmental water authority in The…

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water quality

YSI-6820

The YSI 6820 V2 is a cost-effective rugged sonde for profiling and spot-checking in rivers, lakes, wetlands,…

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water quality

YSI 600-OMS

The 600 OMS, has one optical port that can be used to measure optical dissolved oxygen, chlorophyll, blue-green…

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water quality

Optical Sensors

These are the optical sensors that can be used in the YSI 6 series sondes equipped with an optical port.…

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water quality
ysi

YSI 600 XL(M)

Both the YSI 600XL (sampling) and the YSI 600 XLM (logging) are economical solutions in small packages for…

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water quality

YSI 650 MDS

The YSI-650-MDS is a Data Display and Logging System. Log real-time data, calibrate YSI 6-Series sondes,…

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water quality

YSI Castaway

The YSI CastAwayTM CTD is the world's first handheld castable instrument that provides instantaneous profiles…

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water quality

YSI Accessoires

Since each application may require its own special tool Observator can offer all required accessories. Either…

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water quality