Water Quality

Hydrolab HL7

The Hydrolab water quality meter was the environmental industry’s first multiparameter sonde, introduced in 1968.  Today the Hydrolab HL7 water quality meter is a world class product designed for:

• Spot Checking
• Low Flow Sampling
• Unattended Logging
• Remote Telemetry
• Process Control
• Laboratory
• Ground Water
• Lakes, Rivers, Estuaries
• Water & Wastewater
• Education & Research
• Aquaculture

Hydrolab HL7: Sensor Suite

The HL7 has a large sensor suite including:

• Temperature (Temp)
• Dissolved Oxygen (LDO)
• Conductivity (EC)
• Salinity (SAL)
• pH
• Oxidation Reduction Potential (ORP)
• Depth
• Turbidity (Turb)

ISE sensors include:
• Nitrate (NO3-)
• Chloride (Cl-)
• Ammonium (NH4+)

Specialty sensors include:
• Chlorophyll a
• Blue Green Algae

Note:  Not all sensor configurations are available on a single sonde.  Please check with Aqualab before ordering.

The HL7 configuration has 9 sensor ports restricted to the following:

• 2 fixed sensor ports reserved for temperature & depth (optional).
• 7 non-fixed ports for other sensor options.
• 5 sensor ports available for optical dissolved oxygen & 4 additional optical sensors.

Available Models

The HL7 model is available in the following configuration:

• Hydrolab HL7 sonde (with internal battery power & temperature)

The standard HL7 package includes:

• Internal memory
• Calibration cable
• AC power adaptor
• Sensor Guard with weight
• Mooring cap
• Sensor maintenance kit
• USB Communications module
• Hydrolab Operating Software (see downloads)

The HL7 comes with a 2 year warranty!

Display Options

Data from the HL7 can be viewed & logged in real time using a variety of third party display devices, such as tablets & laptops.

For users requiring a dedicated display, the Surveyor handheld display is also available:  Surveyor HL – Aqualab

Cable Options

Various HL7 cable lengths are available:

• 2 meter
• 5 meter
• 10 meter
• 15 meter
• 25 meter
• 25 meter
• 30 meter
• 50 meter
• 75 meter
• 100 meter
• 150 meter
• 200 meter

Communication Options

The following communication modules are available with the HL7:

• USB
• SDI-12
• RS485
• RS232
• TTY

Anti-Fouling options

The following anti-fouling options are available with the HL7:

• Copper Mesh
• Copper Tape

Why choose Hydrolab HL7?

• Reliability.
The HL7 is built for demanding field conditions.  A two year warranty is standard with every unit.

• Superiority
Superior sensors mean you can stand behind your data.

• Fitness for Purpose.
HL7 construction has been tested in thousands of demanding applications.

• Ease of Use
HL7 sondes are easy to calibrate. Simple & intuitive software walks you through the calibration process within a few minutes.

The Hydrolab HL7 water quality meter is manufactured by Hydrolab and proudly represented by Aqualab Scientific.