YSI 600XL Multiparameter Water Quality Sonde Supply Sales the Defender 500 series incorporates

the Defender 500 series incorporates features to make it immune to flow source pulsation without the need for in-line dampers

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dual-input HQ2000 series

In-house calibration checks confirm the Hygiena luminometer is working properly and demonstrates due diligence that a monitoring system is in control

accurate measurement range in a narrow diameter instrument

YSI 600XL Multiparameter Water Quality Sonde Supply Sales the Defender 500 series incorporatesBoth the YSI 600XL (sampling) and the YSI 600 XLM (logging) are economical solutions in small packages for surface water and groundwater applications. Both easily fit into 2 inch wells and measure a range of fundamental parameters, including oxygen with the YSI Rapid Pulse stirring independent dissolved oxygen sensor and level, using a highly accurate vented sensor.