Aquaread AP-Lite Quality Water

 One Probe, multiple sensor options

Aquaread AP-Lite Quality Water

Whether you require a turbidity meter or handheld device for the measurement of Blue Green Algae in reservoirs, the AP-LITE is the portable water quality meter for you. Sometimes multi-parameter measurement is not required, however the flexibility to change sensors is. Our AP-LITE solves this with its single parameter, removable sensor design. Simply remove your current sensor, install the new sensor and calibrate, you are then ready to take measurements.

The AP-LITE is a simple probe with a single optical socket. This socket is able to house any of our optical electrodes, including turbidity and chlorophyll. A temperature sensor is also included on the probe. The AP-LITE package includes our rugged 3m cable, our GPS Aquameter, a range of accessories and a rugged carry case.

AP-LITE Package
As a package our AP-LITE comes supplied with everything you will need to start taking measurement. This includes our GPS Aquameter portable meter, offered with its rugged IP67 design, visual display and large on-board data logger for taking sport recordings, or data logging purposes. On-board GPS also allows you to record where measurement have been recorded and the water quality data.

Our AP-LITE digital water quality sensor utilises the latest technology and allows you to connect any of our Aquaprobe optical water quality sensors. These sensors are designed and manufactured by Aquaread, to provide the best possible accuracy and performance, while remaining cost effective. The optical sensors can be easily removed by hand, making them easy to change when been used in the field. The AP-LITE offers sensor for the measurement of :

  • Turbidity,
  • Chlorophyll,
  • Blue Green Algae,
  • Rhodamine,
  • Fluorescein,
  • Refined Oil,
  • CDOM / FDOM.


  • IP67 handheld display
  • Backlit display with ergonomic keypad
  • 1110-point data memory
  • GPS recording and site tag information
  • Data export via USB to AquaLink utility
  • User replaceable AA batteries
  • Easy to follow calibration procedures


Mechanical Specifications

  • Protection Class : IP68 (permanent immersion)
  • Immersion Depth : Min 75mm. Max 100m**
  • Operating Temperature : -5˚C - +70˚C
  • Dimensions (L x Dia) : 250mm x 24mm
  • Weight : 400g

AP-LITE Optical Sensor Specifications




Range0 – 3000 NTU
Resolution2 Auto-range scales: 0.0 - 99.9 NTU, 100 - 3000 NTU
Accuracy± 5% of auto-ranged scale



Range0 – 500.0 µg/L (ppb)
Resolution2 Auto-range scales: 0.00 - 99.99 µg/L, 100.0 - 500.0 µg/L
Repeatability± 5% of reading


(freshwater BGA)

Range0 – 300,000 cells/mL
Resolution1 cell/mL
Repeatability± 10% of reading


(marine BGA)

Range200,000 cells/mL
Resolution1 cell/mL
Repeatability± 10% of reading
Rhodamine WT DyeRange0 – 500 µg/L (ppb)
Resolution2 Auto-range scales: 0.00 - 99.99 µg/L, 100.0 - 500.0 µg/L
Accuracy± 5% of reading
Fluorescein DyeRange0 – 500 µg/L (ppb)
Resolution2 Auto-range scales: 0.00 - 99.99 µg/L, 100.0 - 500.0 µg/L
Accuracy± 5% of reading
Refined OilRange0 – 10,000 µg/L (ppb) (Napthalene)
Resolution0.1 µg/L
Repeatability± 10% of reading



Range0 – 20,000 µg/L (ppb) (Quinine Sulphate)
Resolution2 Auto-range scales: 0.0 – 9,999.9 µg/L, 10,000 – 20,000 µg/L
Repeatability± 10% of reading

Download Datasheet : Aquaread AP-Lite Quality Water

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