- The Hydrolab HL4 is the next generation multiparameter water quality sonde from OTT Hydromet. Know the instrument is working correctly and troubleshoot quickly. Streamline calibration tasks and produce valid, scientifically defensible conclusions.
- Product type: Attended, Unattended
- Parameters measured: Temperature, Conductivity, Depth, pH, Dissolved Oxygen (LDO), Turbidity, ORP, Clorophyll a, Blue-green algae, Rhodamine
- Product highlights: The next generation multiparameter water quality instrument
- Interface: SDI-12, RS-485, RS-232, TTY, USB
- 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