WATER QUALITY SENSOR

WQ-700

Advanced multi-parameter water quality sensor for continuous, accurate, and reliable monitoring.

WQ-700 delivers real-time measurements of key water quality parameters in a compact, rugged, and easy-to-deploy design. It is ideal for buoys, USVs, aquaculture systems, and fixed monitoring platforms.

WQ-700 multi-parameter water quality sensor

High Accuracy

Laboratory-grade sensors with industry-leading stability and long calibration intervals.

Rugged & Reliable

Pressure-tolerant housings built for harsh marine deployments and field serviceability.

Easy Integration

RS485 / Modbus, SDI-12, and optional analog outputs make deployment straightforward.

Real-Time Data

Continuous measurements support faster operational decisions for teams at sea and onshore.

Multi-Parameter

Up to 6 parameters in a single sensor body.

High Precision

Accurate and stable measurements in variable conditions.

Depth Rated

Deployment-ready at depths up to 200 m.

Wide Range

Engineered for marine, coastal, and freshwater monitoring.

Low Power

Efficient for long-term buoy and USV missions.

Easy Maintenance

Anti-fouling and modular probe access reduce service time.

Overview

The WQ-700 is a compact, high-performance water quality sensor designed for continuous monitoring in marine, coastal, and freshwater environments. It combines accurate measurements, stable calibration behavior, and a flexible communication stack for straightforward integration across modern observation systems.

Its rugged housing, low power consumption, and modular probe architecture make it a strong fit for autonomous platforms, smart buoys, research payloads, and fixed monitoring stations where long-term reliability matters as much as measurement quality.

Key Specifications

Parameter
Range
Accuracy
Temperature
-5 to 50 °C
±0.01 °C
pH
0 to 14 pH
±0.02 pH
Conductivity
0 to 100 mS/cm
±1% FS
Dissolved Oxygen
0 to 20 mg/L
±0.1 mg/L
Turbidity
0 to 1000 NTU
±2% or 0.3 NTU
Depth Rating
Up to 200 m
Titanium housing option
Output
RS485 / Modbus, SDI-12
Optional analog
Power Supply
9 to 36 VDC
< 40 mA typical
Dimensions
48 mm x 320 mm
Modular sensor head
Weight
1.2 kg (in air)
Compact deployment profile
Material
Titanium / POM / Stainless Steel
Marine-grade finish
View Full Specifications

Supported Parameters

Water Quality Core

Temperature pH Conductivity Dissolved Oxygen

Extended Chemistry

ORP Salinity COD TSS

Optical Monitoring

Turbidity Chlorophyll Blue-Green Algae Oil in Water

Resources

Accessories

Anti-Fouling Guard

Protective guard for long deployments in high-growth environments.

Quick-Release Mount

Faster installation on buoys, frames, and side-mounted survey rigs.

Deck Calibration Kit

Portable calibration accessories for pre-deployment verification.

Support

Remote commissioning support and communications setup.

Application guidance for buoy, USV, and fixed-station integration.

Field maintenance recommendations and spare-parts planning.

Global expert support for pilot deployments and scaled rollouts.

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Trusted by Experts

Used by researchers, engineers, and operators worldwide.

Built for the Ocean

Designed for reliability in harsh marine environments.

End-to-End Solutions

Sensors, platforms, systems, and software working together.

Global Support

Local teams and partners ready to help deploy and scale.