Horiba U-54-30 Multi-Parameter Water Quality Meter

Horiba U-54-30 Multi-Parameter Water Quality Meter

The Horiba U-54-30 is a rugged, field-ready multiparameter water quality meter from the U-50 Series, featuring a 30 meter cable for extended reach in deeper or hard-to-access water environments. It integrates a suite of high-precision sensors into a single probe unit that enables simultaneous measurement of essential physical and chemical water quality parameters.

Equipped with user-friendly operation, an easy-to-read LCD display, and automatic calibration functions, the U-54-30 simplifies water quality testing in environmental monitoring, groundwater assessment, wastewater analysis, industrial water management, and research applications. Its waterproof construction and robust design ensure reliable performance in demanding field conditions.

Key Features

• Simultaneous measurement of multiple water quality parameters using one integrated probe unit.

• 30 m cable for extended sampling reach in deep water or remote locations.

• Rugged, waterproof field housing with an easy-to-read LCD display for clear data visualization.

• Automatic calibration features to simplify setup and improve measurement accuracy.

• Data logging capabilities and USB connectivity for transferring data to a computer.

• Field-replaceable sensors for reduced maintenance time and long service life.

Typical Measured Parameters

The U-54-30 model typically measures the following water quality parameters:

• pH (acidity/alkalinity)

• Oxidation-Reduction Potential (ORP)

• Dissolved Oxygen (DO)

• Conductivity (COND)

• Salinity

• Total Dissolved Solids (TDS)

• Seawater Specific Gravity

• Temperature

• Turbidity (LED 90° scattering method with high resolution)

• Water Depth (up to ~30 m)

Technical Specifications (Representative from U-50 Series)

Probe and Sensor:

• Cable length: 30 m (extended reach)

• Sensor tip materials suitable for field conditions.

• Maximum measurement depth: approx. 30 m (limited by cable length)

Control Unit:

• Waterproof, rugged housing with backlit LCD display for clear readings in diverse lighting conditions.

• Automatic calibration functions for key sensors.

• Internal data memory (up to 10,000 measurement sets) with USB interface for data export.

• Powered by 4 × C batteries with typical field battery life (~70 hours, depending on use).

Measurement Ranges (Typical):

• pH: 0–14, resolution 0.01 pH, accuracy ±0.1 pH

• ORP: –2000 to +2000 mV, resolution 1 mV, accuracy ±15 mV

• DO: 0–50 mg/L, resolution 0.01 mg/L, accuracy ±0.2–0.5 mg/L

• Conductivity: 0–100 mS/cm, typical accuracy ±1 % FS

• Salinity: 0–70 ppt, accuracy ±3 ppt

• TDS: 0–100 g/L, accuracy ±5 g/L

• Turbidity: 0–1000 NTU, resolution up to 0.01 NTU

• Temperature: –10 °C to 55 °C

Applications

The Horiba U-54-30 is suitable for:

• Environmental water quality monitoring in rivers, lakes, reservoirs, and coastal waters.

• Groundwater and well water surveys.

• Industrial wastewater and effluent analysis.

• Aquaculture and marine water quality assessments.

• Research projects, regulatory compliance testing, and consulting field work.