4210 Flow Meter
Section 4 Optional Equipment
4-29
4.13 The YSI 600 Multiple
Parameter Sonde
The YSI 600 Sonde is a multi-purpose, water quality mea-
surement and data collection system. It is intended for use in
research, assessment, and regulatory compliance. The YSI 600
Sonde can measure the following water qualities:
• Dissolved Oxygen
• Conductivity
•pH
• Salinity
• Total Dissolved Solids
•Temperature
The YSI 600 is ideal for profiling and monitoring water condi-
tions in industrial and wastewater effluents, lakes, rivers, wet-
lands, estuaries, coastal waters, and monitoring wells. It can be
left unattended for weeks at a time with measurement param-
eters sampled at your selected interval and data transmitted to
the flow meter. You can use the 600 as deep as 200 feet below the
surface, or in as little as a few inches of water. The fast sensor
response of the YSI 600 makes it ideal for vertical profiling. Its
small size means it can fit inside two-inch diameter monitoring
wells.
Figure 4-12 The YSI 600 Multiple Parameter Sonde
A “Rapid Pulse Dissolved Oxygen Sensor” eliminates the need for
stirring, providing accurate results without an expensive and
bulky stirrer. Because no stirring is required, no supplemental
power supply or battery is needed, and sensor drift caused by
passive fouling is minimized.
The YSI 600 communicates with any 4200 Series flow meter
equipped with suitable hardware and software. Earlier 4200 flow
meters can be factory-modified to work with the YSI Sonde. Data
can be exported through FLOWLINK for further processing.
End view, facing sensors
Cover removed
to show sensors
pH sensor
pH reference
D.O. sensor
Conductivity
(Inside)
Temperature
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