Section: Rental

TD-Diver

The TD-Diver is a submersible water level logger designed for long term uninterrupted, real time water level monitoring.

Manufactured from 316L Stainless Steel and measuring just 22mm in diameter, the TD-Diver incorporates an internal pressure sensor that measures hydrostatic pressure above the sensor diaphragm to calculate total water depth.

The TD-Diver is ideal for various applications including:

• Long term water level monitoring
• Groundwater monitoring
• Surface water monitoring
• Network automation monitoring
• Watershed, drainage basin and recharge areas
• Stream gauging, lake levels and reservoirs
• Wetlands and storm water run off monitoring

TD-Diver Ranges

The TD-Diver is available in the following ranges:

• 10m
• 20m
• 50m
• 100m

Datlogging Capacity

The TD-Diver can store an impressive 72,000 data-points including:

• Date
• Time
• Depth
• Pressure
• Temperature

The TD-Diver incorporates the following sample methods:

• Fixed length intervals
• Event dependent
• Averaging
• Pumping test

Cable options

Various Diver communication cable lengths are available:

• 1m MDC data cable
• 2m MDC data cable
• 3m MDC data cable
• 4m MDC data cable
• 5m MDC data cable
• 7m MDC data cable
• 10m MDC data cable
• 15m MDC data cable
• 20m MDC data cable
• 30m MDC data cable
• 40m MDC data cable
• 50m MDC data cable
• 60m MDC data cable
• 80m MDC data cable
• 100m MDC data cable
• 150m MDC data cable
• 200m MDC data cable
• 250m MDC data cable
• 300m MDC data cable

Divers can also be deployed using Stainless Steel suspension cables.

Baro-Diver Atmospheric Pressure Compensation

To compensate Diver data for atmospheric pressure, the Diver range is complimented by an optional Baro-Diver.

The Baro-Diver records atmospheric pressure & temperature data, at predetermined intervals, which can be combined with Diver data.

Data Download Options

Logged data can be downloaded easily using the Diver-USB Reader Unit.

Simply insert the Diver into a USB Reading Unit and connect using the free Diver Office software. Once connected the Diver can be programmed, settings can be changed and or data can be read/downloaded.

The Diver-USB Reader Unit connects to a USB port of a PC, Laptop and/or Tablet.

Note: Diver Software (2022) must be installed to be able to communicate with the Diver.

Telemetry Options

When deployed as a long-term long term uninterrupted, real time water level logger, the TD-Diver can be coupled with an Eijkelkamp GDT-S Prime (4G modem) enabling remote data transmission (email) over the 4G Network.

Using a user supplied SIM Card, the Eijkelkamp GDT-S Prime transmits water level data (via email) anywhere in the world where there is 4G internet coverage.

Transmitted parameters include:

• Date
• Time
• Depth
• Pressure
• Temperature
• Atmospheric Pressure

The GDT-S Prime is designed to be placed within a 50mm monitoring well and incorporates an external antenna, allowing data to be communicated on a daily basis, without operators having to go into the field!

Diver Software

Setup monitoring projects and identify fieldwork tasks such as a site visit sequence, collection of Diver data and deployment of Divers using Diver Software (2022).

Diver Software (2022) consists of two applications:

• Diver Office
• Diver Field

Use Diver Field to carry out fieldwork and download Diver data.

Use Diver Office to merge time series, barometrically compensate Diver data & convert into water levels, visualize data including manual measurements and export data into MON, CSV or XLSX files for use in third-party applications.

This product is manufactured by Van Essen and proudly represented by Aqualab Scientific.

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.

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!

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

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

Communication Options

The following communication modules are available with the HL4:

• USB
• SDI-12
• RS485
• RS232
• TTY

Anti-Fouling options

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

• Copper Mesh
• Copper Tape

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.

Water Level Meter

Designed for environmental monitoring professionals, the OTT Contact Gauge is a ruggedised water level meter featuring a heavy duty polyethylene tape, attached to a durable & robust, heavily weighted stainless steel probe.

All OTT Water Level Meters incorporate an audible & visual alarm and are ready to use in rough environments.

Depth is displayed in centimeter increments.

There are three OTT Water Level Meters models to choose from:

KL 010 Water Level Meter

The OTT KL 010 Contact Gauge measures:

• Depth to water.

Once the probe touches the water surface, an audible & visual alarm is triggered, and users can measure depth to water.

Available tape lengths include:

• 15m (Design 2)
• 25m (Design 2)
• 30m (Design 2)
• 50m (Design 2)
• 80m (Design 2)
• 100m (Design 2)
• 150m (Design 2)
• 200m (Design 2)
• 250m (Design 2)
• 300m (Design 2)
• 500m (Design 2)
• 750m (Design 2)
• 1000m (Design 2)

KL 010 Water Level Meter

The OTT KL 010 (TM) measures:

• Depth to water.
• Temperature.

Once the probe touches the water surface, an audible & visual alarm is triggered, users can measure depth to water & determine water temperature.

• Temperature range: – 1°C to 70 °C

Available tape lengths include:

• 15m (Design 1)
• 25m (Design 1)
• 30m (Design 1)
• 50m (Design 1)
• 100m (Design 1)
• 150m (Design 2)
• 200m (Design 2)
• 250m (Design 2)
• 300m (Design 2)
• 500m (Design 2)

KL 010 TCM Water Level Meter

The OTT KL 010 (TCM) measures:

• Depth to water.
• Temperature.
• Conductivity.
• TDS (Total Dissolved Salts).

Once the probe touches the water surface, an audible & visual alarm is triggered, users can measure depth to water, determine water temperature, AND measure Conductivity & TDS. The OTT KL010 (TCM) is perfect for creating temperature and conductivity profiles.

• Temperature range: – 1°C to 70 °C
• Conductivity range: 0 – 200mS/cm

Available tape lengths include:

• 30m (Design 1)
• 50m (Design 1)
• 100m (Design 1)
• 150m (Design 2)
• 200m (Design 2)
• 250m (Design 2)
• 300m (Design 2)
• 500m (Design 2)

OTT Water Level Meter designs will vary based on the length of tape ordered.

The below chart outlines design types:

This product is manufactured by OTT and proudly represented by Aqualab Scientific.

CTD-Diver

The CTD-Diver is a submersible water level logger designed for long-term uninterrupted, real time water level monitoring.

Manufactured from rugged, corrosion proof ceramic (zirconium-oxide) and measuring just 22mm in diameter, the CTD Diver incorporates an internal pressure sensor that measures hydrostatic pressure above the sensor diaphragm to calculate total water depth.

The CTD-Diver is ideal for various applications including:

• Landfill leachate monitoring
• Salt water intrusion
• Water quality
• Tidal fluctuations
• Tailings
• Plume/Leakage
• Water quality

The CTD-Diver is equipped with a four electrode conductivity sensor that measures electrical conductivity from 0 to 120 mS/cm. There are two options for measuring conductivity, true or specific conductivity at 25 °C.

CTD-Diver Ranges

The CTD-Diver is available in the following ranges:

• 10m
• 50m
• 100m
• 200m

Datlogging Capacity

The CTD-Diver can store an impressive 144,000 data-points including:

• Date
• Time
• Depth
• Pressure
• Temperature
• Conductivity (mS/cm, μS/cm, S/m)

The CTD-Diver incorporates the following sample methods:

• Fixed length intervals
• Event dependent
• Averaging
• Pumping test

Cable options

Various Diver communication cable lengths are available:

Divers can also be deployed using Stainless Steel suspension cables.

Vectran cables are available for corrosive applications.

Diver Copper Shield

The Diver Copper Shield protects the CTD-Diver from biofouling and reduces maintenance cost. It is specifically designed to significantly reduce algae growth on the CTD electrodes, thus reducing the need for maintenance and reducing the time spent on site.

Baro-Diver Atmospheric Pressure Compensation

To compensate Diver data for atmospheric pressure, the Diver range is complimented by an optional Baro-Diver.

The Baro-Diver records atmospheric pressure & temperature data, at predetermined intervals, which can be combined with Diver data.

Diver Reader unit

Logged data can be downloaded easily using the Diver-USB Reader Unit.

Simply insert the Diver into a USB Reader Unit and connect using the free Diver Office software. Once connected the Diver can be programmed, settings can be changed and or data can be read/downloaded.

The Diver-USB Reader Unit connects to a USB port of a PC, Laptop and/or Tablet.

Note: Diver Software (2022) must be installed to be able to communicate with the Diver.

Telemetry Options

When deployed as a long-term long term uninterrupted, real time water level logger, the CTD Diver can be coupled with an Eijkelkamp GDT-S Prime (4G modem) enabling remote data transmission (email) over the 4G Network.

Using a user supplied SIM Card, the Eijkelkamp GDT-S Prime transmits water level data (via email) anywhere in the world where there is 4G internet coverage.

Transmitted parameters include:

• Date
• Time
• Depth
• Pressure
• Temperature
• Conductivity (mS/cm, μS/cm, S/m)
• Atmospheric Pressure

Diver Software 2022

Setup monitoring projects and identify fieldwork tasks such as a site visit sequence, collection of Diver data and deployment of Divers using Diver Software (2022).

Diver Software (2022) consists of two applications:

• Diver Office
• Diver Field

Use Diver Field to carry out fieldwork and download Diver data.

This product is manufactured by Van Essen and proudly represented by Aqualab Scientific.

MF Pro

The OTT MF pro is a highly portable magnetic-inductive flow meter designed to spot check the velocity of:

• Streams
• Smaller Rivers
• Canals
• Measurement Flumes
• Open Channels

The system consists of a robust handheld display unit combined with a compact & light weight velocity sensor. Both system components operate reliably in rough environmental conditions and are designed to be attached to conventional wading rods.

OTT MF Pro: Overview

Discharge Automatically Calculated
The OTT MF pro computes discharge automatically based on USGS and ISO methods, saving time and eliminating potential for error caused by hand written transcription.

Real-Time Velocity
Velocity is graphed in real-time on the meter’s color display, allowing trends to be visualized quickly.

Maintenance Free
The electromagnetic sensor head has no moving parts and is virtually maintenance-free.

Versatile Applications
The sensor’s magnetic inductive measurement principle makes this unit ideal for use in low-flow conditions and environments heavy in organic matter, unlike mechanical or acoustic meters.

User Friendly Handheld Display
A lightweight, water-resistant handheld features a full color display that is easily readable even in bright sunlight.

Depth Sensor
Optionally included in the unit.

This product is manufactured by OTT and proudly represented by Aqualab Scientific.