Water Quality
Sensors and instruments for continuous marine water quality monitoring.
Products
Start with the actual instruments in this line, then drill into the product detail pages that fit your project.
20 products
AquaSense-Multi
Modular multi-parameter sonde platform with 4 / 5 / 6 plug-in sensor ports and optional sensor modules for portable surveys and long-term monitoring.
View Product
AquaSense-DO
Fluorescence-lifetime optical dissolved oxygen sensor — no oxygen consumption, no flow-rate dependence, low maintenance.
View Product
AquaSense-DOX
Industrial online dissolved-oxygen analyzer cabinet with touchscreen controller, RS485 / Modbus RTU, on-board logging, and optional 4-20 mA and relay outputs.
View Product
AquaSense-pH
Industrial in-line pH sensor with built-in temperature compensation and RS485 / Modbus output for continuous monitoring.
View Product
AquaSense-ORP
Industrial in-line ORP sensor with built-in temperature compensation and RS485 / Modbus output for redox tracking.
View Product
AquaSense-EC
Two-electrode graphite conductivity / TDS sensor with isolated power and RS485 / Modbus output for online water-quality monitoring.
View Product
AquaSense-Sal
Four-electrode salinity / conductivity / TDS sensor with wide range, low polarisation, and fouling-tolerant accuracy.
View Product
AquaSense-Turb
90° infrared scattering turbidity sensor with sunlight-tolerant optics, low drift, and easy 30 mL calibration.
View Product
AquaSense-TSS
ISO 7027 compliant 135° back-scatter TSS sensor with self-cleaning brush for fouling-prone installations.
View Product
AquaSense-COD
Reagent-free UV COD sensor that also reports TOC, BOD, turbidity, and temperature with chloride-tolerant optics.
View Product
AquaSense-NH4
Reagent-free ion-selective ammonium sensor with isolated power and custom-curve calibration for nutrient monitoring.
View Product
AquaSense-NO3
Reagent-free ion-selective nitrate sensor — configurable on order for NH4+, K+, Ca2+, and other environmental ions.
View Product
AquaSense-Chl
Modulated chlorophyll-a fluorometer with coherent detection and self-cleaning option for algae biomass studies.
View Product
AquaSense-BGA
Modulated phycocyanin / phycoerythrin fluorometer for cyanobacteria detection and harmful-algal-bloom early warning.
View Product
AquaSense-Oil
Single-path UV oil-in-water sensor with automatic suspended-solids rejection and self-cleaning brush for continuous leak detection.
View Product
AquaStation
Integrated online multi-parameter water-quality analyzer with touchscreen control, multi-probe support, RS485 / Modbus networking, and remote alarm interfaces.
View Product
AquaGo-DO
Handheld optical DO analyzer with replaceable fluorescence cap, one-touch measurement, and e-ink display.
View Product
AquaGo-Multi
Handheld multi-parameter meter measuring DO, pH, salinity, conductivity, turbidity, and temperature with auto-recognised AquaSense probes.
View Product
AquaGo-Trace
Portable trace dissolved oxygen analyzer with proprietary fluorescence material for ppb-level field measurements.
View Product
AquaGo-Pro
Professional handheld pH + DO analyzer with auto-recognised digital probes and instant power-on measurement.
View ProductFrequently Asked Questions
What is dissolved oxygen and why does it matter?
Dissolved oxygen (DO) is the amount of oxygen present in water. It is critical for aquaculture and ecology — low DO can cause fish kills and indicate pollution events.
How often should water quality sensors be calibrated?
Most optical sensors hold calibration for 3-12 months under normal conditions. Electrochemical sensors (pH, ORP) typically require monthly calibration in field service.
What deployment options exist?
Zenocean probes deploy on surface buoys, subsurface moorings, seabed frames, fixed stations and autonomous platforms. Pressure ratings extend to 200 m.
Which communication protocols are supported?
RS485 / Modbus is standard. SDI-12 and analog outputs are available on selected models, and CoreLink-enabled telemetry adds 4G or satellite uplink.