Water Quality

Hydrolab

Hydrolab HL4

The Hydrolab water quality meter was the environmental industry’s first multiparameter sonde, introduced in 1968.  Today the Hydrolab HL4 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 HL4: Sensor Suite

The HL4 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 HL4 configuration has six sensor ports restricted to the following:

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

Hydrolab HL$

 

 

Available Models

Two HL4 models are available:

• Hydrolab HL4 sonde (with temperature)
• Hydrolab HL4 sonde (with internal battery & temperature)

Both Hydrolab HL4 models include:

• 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 Hydrolab HL4 comes with a 2 year warranty!

Hydrolab HL4

 

Display Options

Data from the HL4 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

Hydrolab Surveyor

Cable Options

Various HL4 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

HL4 Cable

 

Communication Options

The following communication modules are available with the HL4:

• USB
• SDI-12
• RS485
• RS232
• TTY

Hydrolab HL4

 

Anti-Fouling options

The following anti-fouling options are available with the HL4:

Copper Mesh
Copper Tape

Copper Mesh

 

Why choose Hydrolab HL4?

 

• Reliability.
The HL4 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.
HL4 construction has been tested in thousands of demanding applications.

• Ease of Use
HL4 sondes are easy to calibrate. Simple & intuitive software walks you through the calibration process within a few minutes.

The Hydrolab HL4 water quality meter is manufactured by Hydrolab and proudly represented by Aqualab Scientific.

FEATURES
  • 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
Specs

Sensors 4 sensor ports available plus temperature
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 Hydrolab Surveyor HL
General
Sonde Depth Rating 200 m
Maximum Deployment Cable 200 m
Diameter w/o bumpers 4.4 cm
Diameter with bumbers 5.3 cm
Weight with internal battery pack (IBP) and storage/calibration cup 2.2 kg
Length – no IBP, standard sensor guard 51.4 cm
Length – no IBP, extended sensor guard 66.4 cm
Length – IBP and standard sensor guard 62.2cm
Length – IBP and extended sensor guard 77.8 cm
Environmental conditions
Operating temperature -5°C to 50°C, non-freezing
Storage temperature 1°C to 50°C
Models
Not all sensor configurations are available on a single Hydrolab sonde.

Please check with Aqualab before ordering.

Available models include:

  • Hydrolab HL4 Sonde (with temperature)
    Product number# HL4TABATT
  • Hydrolab HL4 Sonde (with internal battery power & temperature)
    Product number# HL4TANOBATT
  • HL4 Temperature Sensor (Temp)
    Product number# Included
  • HL4 Dissolved Oxygen Sensor (LDO)
    Product number# HLLDO
  • HL4 Conductivity / Salinity Sensor (EC)
    Product number# HLCOND
  • HL4 pH Sensor (with standard reference)
    Product number# HLPHSREF
  • HL4 pH Sensor (with integrated reference)
    Product number# HLPHIREF
  • HL4 pH / ORP Combination Sensor (with standard reference)
    Product number# HLPHORPSREF
  • HL4 Depth Sensor (25m)
    Product number# HL25MDEPTH
  • HL4 Depth Sensor (100m)
    Product number# HL100MDEPTH
  • HL4 Depth Sensor (200m)
    Product number# HL200MDEPTH
  • HL4 Turbidity Sensor (Self Cleaning)
    Product number# HL4TURB
  • HL4 Nitrate ISE Sensor (NO3-)
    Product number# HLNO3
  • HL4 Chloride ISE Sensor (Cl-)
    Product number# HLCL
  • HL4 Ammonium ISE Sensor (NH4+)
    Product number# HLNH4
  • HL4 Chlorophyll a sensor (Stainless Steel)
    Product number# HL4CHLOR
  • HL4 Blue Green Algae Sensor (Stainless Steel) - Phycocyanin (Fresh Water)
    Product number# HL4BGRNA
  • HL4 Blue Green Algae Sensor (Stainless Steel) - Phycoerythrin (Marine Water)
    Product number# HL4BGRNAMA
Downloads
Brochures
Hydrolab Series Brochure (AUS)

Hydrolab Series Brochure (AUS)

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Hydrolab HL4 Brochure (AUS)

Hydrolab HL4 Brochure (AUS)

Hydrolab-HL-Series-Brochure-AUS.pdf
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Manuals
Hydrolab HL4 Sonde - User Manual

Hydrolab HL4 Sonde - User Manual

HL-Series-Sonde-Manual.pdf
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Hydrolab HL4 Sensors - User Manual

Hydrolab HL4 Sensors - User Manual

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Additional files
Hydrolab HL4 Technical Note - Metadata in Water Quality Monitoring Programs

Hydrolab HL4 Technical Note - Metadata in Water Quality Monitoring Programs

additional-52.pdf
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Hydrolab HL4 Technical Note - QA & QC

Hydrolab HL4 Technical Note - QA & QC

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Hydrolab HL4 Technical Note - Why Phytoplankton Measurement is Important

Hydrolab HL4 Technical Note - Why Phytoplankton Measurement is Important

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Hydrolab HL4 Technical Note - Nutrient Measuring Technologies

Hydrolab HL4 Technical Note - Nutrient Measuring Technologies

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Hydrolab HL4 Technical Note - Long Term Water Quality Instrument Installation Guide

Hydrolab HL4 Technical Note - Long Term Water Quality Instrument Installation Guide

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Optional Accessories
  • HL4 Flow Cell (normal)
    Product number# 014880
  • HL4 Flow Cell (extended sensor)
    Product number# 013520HY
  • HL4 Lightweight Marine Cable (2m)
    Product number# CZL002
  • HL4 Lightweight Marine Cable (5m)
    Product number# CZL005
  • HL4 Lightweight Marine Cable (10m)
    Product number# CZL010
  • HL4 Lightweight Marine Cable (15m)
    Product number# CZL015
  • HL4 Lightweight Marine Cable (25m)
    Product number# CZL025
  • HL4 Lightweight Marine Cable (30m)
    Product number# CZL030
  • HL4 Lightweight Marine Cable (50m)
    Product number# CZL050
  • HL4 Lightweight Marine Cable (75m)
    Product number# CZL075
  • HL4 Lightweight Marine Cable (100m)
    Product number# CZL100
  • HL4 Lightweight Marine Cable (150m)
    Product number# CZL150
  • HL4 Lightweight Marine Cable (200m)
    Product number# CZL200
  • HL4 Communications / Calibration Cable (Lab use only)
    Product number# 9310600
  • HL4 Communications Module (USB)
    Product number# 6748600
  • HL4 Communications Module (SDI-12)
    Product number# 9039600
  • HL4 Communications Module (RS-485)
    Product number# 9039700
  • HL4 Communications Module (RS-232)
    Product number# 9039800
  • HL4 Communications Module (TTY)
    Product number# 9312900
Videos
  • Hydrolab HL4: Overview
  • Hydrolab HL4: Water Quality Monitoring
  • Hydrolab HL4: Webinar (2014)
  • Hydrolab HL4: Operating Software
Software
Hydrolab 64 bit Software

Hydrolab 64 bit Software

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Hydrolab 32 bit Software

Hydrolab 32 bit Software

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