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Horiba Laqua 300 Series Handheld Water Quality Meters

Professional handheld water quality meters from HORIBA for field testing and on-site analysis. The Laqua 300 Series combines portability with precision measurement of multiple water quality parameters. Designed for environmental monitoring, wastewater treatment, drinking water testing, and industrial applications requiring reliable, rugged performance in the field.

HORIBA LAQUA WQ-330-K Laqua 300 Series smart handheld water quality meter

Product Overview

The Laqua 300 Series represents HORIBA's latest advancement in portable water quality analysis. These rugged, ergonomic handheld meters bring laboratory-grade accuracy to fieldwork. With intuitive operation, robust construction, and comprehensive measurement capabilities, the Laqua 300 is ideal for environmental consultants, water utilities, municipal authorities, and industrial operators who need reliable data anywhere, anytime.

Applications

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Drinking Water Testing

Portable testing for municipal water treatment plants, water utilities, and point-of-use testing applications.

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Wastewater Monitoring

Continuous monitoring at treatment plants, industrial discharge points, and environmental assessment sites.

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Environmental Surveys

Field testing of rivers, lakes, groundwater, and surface water for environmental impact assessments and compliance.

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Pharmaceutical & Food

Quality assurance testing during manufacturing and storage of water used in food, beverage, and pharmaceutical operations.

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Agriculture & Aquaculture

Irrigation water quality, aquaculture pond monitoring, and water testing for crop and livestock applications.

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Research & Education

Field sampling campaigns, environmental studies, and hands-on laboratory education programs.

Technical Specifications

DisplayLCD screen with backlight for visibility in various light conditions
Measurement ParameterspH, conductivity, dissolved oxygen, temperature, and others (varies by model)
Data StorageInternal memory for measurement logging; USB export capability
Battery TypeRechargeable lithium-ion (typical runtime 8-12 hours)
Waterproof RatingIP67 (dust-proof and water-resistant to 1m depth)
Operating Temperature0 to 50 ยฐC (storage: -10 to 60 ยฐC)
DimensionsApproximately 165 x 85 x 40 mm (compact handheld size)
WeightApproximately 300-400 g (including battery)
Calibration1-3 point calibration depending on parameter; automatic buffer recognition
Warranty2 years on meter; 1 year on sensors

Available Models

Laqua 300-pH

Portable pH and temperature measurement for quick field assessment of water acidity.

Laqua 300-DO

Dissolved oxygen and temperature analyzer for aquatic ecosystem health monitoring.

Laqua 300-Cond

Conductivity and TDS analyzer for salinity and total dissolved solids measurements.

Laqua 300-Multi

Multi-parameter version combining pH, conductivity, dissolved oxygen, and temperature in one meter.

Accessories & Spare Parts

Replacement Probes

pH, conductivity, and dissolved oxygen electrodes for all Laqua 300 models.

Calibration Standards

pH buffers, conductivity standards, and DO calibration solutions in convenient field sizes.

Field Kit

Complete package including meter, probes, standards, carrying case, and calibration tools.

USB Data Cable

Connection for data transfer to computer for logging and reporting.

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