Horiba Multiparameter Water Quality Meter 3200164509

Horiba U-51 Multiparameter Water Quality Meter 3200164509

The Horiba U-51 Multiparameter Water Quality Meter 3200164509 helps users measure several important water quality parameters directly in the field. Moreover, this instrument supports pH, ORP, dissolved oxygen, conductivity, salinity, TDS, seawater specific gravity, and temperature measurement in one portable system. In addition, the 2 m cable allows users to perform practical monitoring in surface water, wastewater, groundwater, drainage channels, and other field locations. Furthermore, the control unit provides a backlit LCD, USB communication, large data memory, and rugged water-resistant construction. As a result, this meter works well for environmental monitoring, water treatment inspection, industrial water testing, and routine field analysis.

Key Features

Multiparameter Field Measurement

• The Horiba U-51 supports multiple water quality parameters in one portable measurement system.
• Moreover, users can measure pH, ORP, dissolved oxygen, conductivity, salinity, TDS, seawater specific gravity, and temperature with one sensor probe.
• In addition, the meter helps users reduce the need for separate instruments during field monitoring.
• Furthermore, the 2 m cable supports practical measurement in tanks, rivers, ponds, drainage areas, and sampling points.
• Therefore, users can collect water quality data more efficiently during outdoor inspection and routine testing.

Easy Operation and Data Management

• The control unit features a 320 × 240 LCD with backlight for clear reading in different lighting conditions.
• Moreover, the meter can store up to 10,000 data sets for field documentation and later review.
• In addition, USB communication allows users to transfer data to a computer for reporting and record management.
• Furthermore, the control unit supports one-hand operation, making field measurement more practical.
• Also, the waterproof design helps users work more confidently in wet environments.

Rugged Sensor Probe Design

• The U-51 sensor probe works in measurement temperatures from -10 to 55°C.
• Moreover, the probe length of approximately 340 mm supports stable immersion during field measurement.
• In addition, the maximum sensor diameter of approximately 96 mm gives the probe a robust structure for outdoor use.
• Furthermore, the standard 2 m cable allows practical deployment in common water quality monitoring applications.
• As a result, the sensor probe suits field testing in surface water, groundwater, drainage water, and process water.

Specifications

General Information

• Product Name: Horiba U-51 Multiparameter Water Quality Meter 3200164509
• Model: U-51 with 2 m cable
• Item Code: 3200164509
• Product Type: Multiparameter water quality meter
• Cable Length: 2 m
• Measured Parameters: pH, ORP, dissolved oxygen, conductivity, salinity, TDS, seawater specific gravity, and temperature

Sensor Probe Specifications

• Measurement Temperature: -10 to 55°C
• Maximum Sensor Diameter: Approximately 96 mm
• Probe Length: Approximately 340 mm
• Sensor Probe Mass: Approximately 1,800 g
• Sensor Probe Water Resistance: JIS protection level 8

Control Unit Specifications

• Outer Dimensions: 115 × 66 × 283 mm
• Control Unit Mass: Approximately 800 g
• Display: 320 × 240 liquid crystal display with backlight
• Data Memory: 10,000 data sets
• Communication: USB
• Battery: 4 × C batteries
• Control Unit Water Resistance: JIS protection level 7 when sensor cable is fitted
• Battery Life: Approximately 70 hours without backlight

pH Specifications

• Measurement Principle: Glass electrode method
• pH Range: 0 to 14 pH
• pH Resolution: 0.01 pH
• pH Repeatability: ±0.05 pH
• pH Accuracy: ±0.1 pH
• ORP Specifications

Measurement Principle: Platinum electrode method

• ORP Range: -2000 mV to +2000 mV
• ORP Resolution: 1 mV
• ORP Repeatability: ±5 mV
• ORP Accuracy: ±15 mV

Dissolved Oxygen Specifications

• Measurement Principle: Polarographic method
• DO Range: 0 to 50.0 mg/L
• DO Resolution: 0.01 mg/L
• DO Repeatability: ±0.1 mg/L
• DO Accuracy: ±0.2 mg/L from 0 to 20 mg/L; ±0.5 mg/L from 20 to 50 mg/L

Conductivity Specifications

• Measurement Principle: 4 AC electrode method
• Conductivity Range: 0 to 10 S/m or 0 to 100 mS/cm
• Conductivity Repeatability: ±0.5% full scale
• Conductivity Accuracy: ±1% full scale

Salinity, TDS, and Seawater Specific Gravity

• Salinity Measurement Principle: Conductivity conversion
• Salinity Range: 0 to 70 PPT
• Salinity Resolution: 0.1 PPT
• Salinity Repeatability: ±1 PPT
• Salinity Accuracy: ±3 PPT
• TDS Measurement Principle: Conductivity conversion
• TDS Range: 0 to 100 g/L
• TDS Resolution: 0.1% full scale
• TDS Repeatability: ±2 g/L
• TDS Accuracy: ±5 g/L
• Seawater Specific Gravity Measurement Principle: Conductivity conversion
• Seawater Specific Gravity Range: 0 to 50 σt
• Seawater Specific Gravity Resolution: 0.1 σt
• Seawater Specific Gravity Repeatability: ±2 σt
• Seawater Specific Gravity Accuracy: ±5 σt

Temperature Specifications

• Measurement Principle: Thermistor method
• Temperature Range: -10 to 55°C
• Temperature Resolution: 0.01°C
• Temperature Repeatability: ±0.10°C at calibration point
• Temperature Accuracy: JIS Class B thermistor sensor, ±(0.3 + 0.005|t|)

Applications

Environmental Water Monitoring

• Horiba U-51 Multiparameter Water Quality Meter supports field monitoring in rivers, lakes, ponds, groundwater, drainage channels, and wastewater areas.
• Moreover, environmental teams can use this meter to check pH, ORP, dissolved oxygen, conductivity, salinity, TDS, seawater specific gravity, and temperature during site inspection.
• In addition, the 2 m cable helps users perform practical testing at common sampling points.
• Furthermore, the large memory and USB communication support better data management after field measurement.

Water Treatment and Industrial Testing

• Water treatment facilities can use the U-51 to monitor incoming water, treated water, process water, and discharge water.
• Moreover, industrial users can apply this meter for routine checking in production water, cooling water, wastewater treatment systems, and environmental compliance workflows.
• In addition, laboratories can use the meter for sample verification before or after field collection.
• Therefore, the multiparameter measurement capability, rugged probe design, backlit LCD, high data memory, and water-resistant construction make the Horiba U-51 suitable for professional field water quality monitoring.