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Data Sheet

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The HYDROLAB HL7 multiparameter sonde offers a versatile, durable and practical solution to the day to day needs of monitoring programs for both simple and complex deployments. The HL7 sonde with a large sensor suite is able to thrive in demanding environmental conditions for long term continuous monitoring.


Bio-fouling is minimized when equipped with the central cleaning brush and performance is maximized with an advanced power management system.


The HL7 sonde has a temperature sensor, seven external sensor ports and an optional internal depth sensor. It helps environmental scientists to correctly log data autonomously and easily integrate into real time telemetry systems.


The HYDROLAB Operating Software streamlines data collection and calibration tasks necessary to validate accurate data. Calibration logs and metadata are also available to help with QA/ QC requirements.



-- Peace of mind - Ready to use for long deployments

-- Self-monitoring system reports the status of the instrument

-- Designed to withstand the heavy everyday use of demanding field deployments

-- Typical battery life capable of greater than 90 days deployment helps ensure maximum performance

-- Antifouling sensor cleaning brush significantly extends field use and decreases bio fouling

Sensor Options

-- Temperature

-- Conductivity

-- pH /ORP

-- Hach LDO (Luminescent Dissolved Oxygen)

-- Turbidity with wiper and central cleaning brush

-- Depth

-- Chlorophyll a

-- Blue-green algae

-- Rhodamine

-- Ammonium (Ion Selective Electrode)*

-- Nitrate (Ion Selective Electrode)*

-- Chloride (Ion Selective Electrode)*

-- Total Dissolved Gas*

* Coming Soon


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