LAQUA U-52
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LAQUA U-52

HORIBA LAQUA U-52 Multi-Parameter Water Quality Checker

The HORIBA LAQUA U-52 is a portable multi-parameter water quality monitoring instrument designed for field measurement of rivers, lakes, groundwater, wastewater, aquaculture systems, and industrial water processes. As part of the U-50 Series, the U-52 simultaneously measures up to 10 water quality parameters using a single integrated sensor probe, providing accurate and reliable water quality analysis in demanding field environments.

Key Features

  • Simultaneous measurement of up to 10 parameters
  • Integrated multi-sensor probe design
  • Built-in turbidity measurement (LED forward-scatter method)
  • One-touch automatic calibration
  • Real-time monitoring and Auto-Hold functionality
  • Large backlit LCD display
  • USB connectivity for data transfer
  • Memory capacity for up to 10,000 records
  • Waterproof and impact-resistant construction
  • User-replaceable sensors
  • Optional cable lengths of 2 m, 10 m, and 30 m
  • Suitable for long-term environmental monitoring programs

Measured Parameters

  • pH
  • pH (mV)
  • ORP (Oxidation Reduction Potential)
  • Dissolved Oxygen (DO)
  • Conductivity
  • Salinity
  • Total Dissolved Solids (TDS)
  • Seawater Specific Gravity
  • Temperature
  • Turbidity (LED Forward 30° Transmission/Scattering Method)
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Description

Technical Specifications

Parameter Specification
pH Range 0.00 – 14.00 pH
pH Resolution 0.01 pH
pH Accuracy ±0.1 pH
ORP Range -2000 to +2000 mV
Dissolved Oxygen Range 0.00 – 50.0 mg/L
DO Resolution 0.01 mg/L
Conductivity Range 0 – 10 S/m (0 – 100 mS/cm)
Salinity Range 0 – 70 ppt
TDS Range 0 – 100 g/L
Turbidity Range 0 – 800 NTU
Turbidity Resolution 0.1 NTU
Temperature Range -10°C to 55°C
Temperature Resolution 0.01°C
Data Storage 10,000 records
Communication USB
Power Supply 4 × C-size batteries
Battery Life Approx. 70 hours
Maximum Measurement Depth Up to 30 m
Probe Diameter Approx. 96 mm
Probe Length Approx. 340 mm
Probe Weight Approx. 1.8 kg
Probe Protection IP68
Control Unit Protection IP67

Applications

  • Surface water monitoring
  • Groundwater investigations
  • Wastewater treatment monitoring
  • Aquaculture and fisheries
  • Environmental impact assessments
  • Reservoir and lake studies
  • Industrial water quality management
  • Research and academic institutions

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