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Hydrolab HL4 Multiparameter Sonde

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Hydrolab HL4 Multiparameter Sonde

    • Self-monitoring system reports the status of the instrument, flags the data, and shows the user where the problem is with assistance on how to solve the issue
    • User-scheduled calibration and maintenance intervals indicate when they are due
    • Guided and semi-automated calibration routines lead the user through the calibration process
    • Calibration results are stored with date and time, calibration type, user identification, and user notes
    • Check Calibration process allows the user to verify calibration and store the results
    • Calibration reports contain information about previous calibrations and calibration checks
    • Sensor status is saved with every line of data and is contained in the log file
    • Dedicated communications modules allow easy integration with data loggers and telemetry systems
    • Compatible with the Surveyor HL – a fully IP67 handheld designed for field use with a full-color screen that is visible in direct sunlight

    For measurement of popular water quality parameters in:

    • Freshwater rivers and streams, lakes and reservoirs, and groundwater wells
    • Salt or brackish water bays, estuaries, and near-coastal areas
    • Attended monitoring, continuous unattended and real-time monitoring

    Sensors Temperature sensor and up to four additional sensors plus depth and ORP
    Electrical  
    External 6 … 30 VDC (12 VDC nominal) applied to the communications module,
    12 VDC: 250 mW average, 19 W peak
    Internal (Optional) Internal alkaline D-cell battery, non-rechargeable.
    Sleep mode at 12 V 20 mA
    Communications Hydrolab communications modules: USB, SDI-12, RS232, RS485, or TTY
    Memory 4 GB of internal memory; 1 second interval minimum
    User Interface  
    PC Software Hydrolab Operating Software
    Handheld (Optional) Hydrolab Surveyor HL
    General  
    Sonde Depth Rating 200 m (656 ft)
    Maximum Deployment Cable 200 m (656 ft)
    Diameter w/o bumpers 4.4 cm (1.75 in.)
    Diameter with bumpers 5.3 cm (2.1 in.)
    Weight with internal battery pack (IBP) and storage/calibration cup 2.2 kg (5 lb)
    Length – no IBP, standard sensor guard 51.4 cm (20.25 in.)
    Length – no IBP, extended sensor guard 66.4 cm (26.125 in.)
    Length – IBP and standard sensor guard 62.2cm (24.5 in.)
    Length – IBP and extended sensor guard 77.8 cm (30.625 in.)
    Environmental conditions  
    Operating temperature -5 … 50 °C (23 … 122 °F), non-freezing
    Storage temperature 1 … 50 °C (34 … 122 °F)

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