Horiba U-53-2 MULTI-PARAMETER WATER QUALITY METER

Horiba U-53-2 Multi-Parameter Water Quality Meter

The Horiba U-53-2 Multi-Parameter Water Quality Meter helps users measure several important water quality parameters directly in the field. Moreover, this model comes with a 2 m cable, making it suitable for routine water testing in rivers, lakes, ponds, tanks, wastewater areas, drainage channels, and treatment facilities. In addition, the U-53-2 supports pH, pHmV, ORP, dissolved oxygen, conductivity, salinity, TDS, seawater specific gravity, turbidity, and temperature measurement in one portable system. Furthermore, the U-53 turbidity sensor conforms to US EPA Method 180.1, making it suitable for field turbidity monitoring that requires this measurement approach. As a result, this meter works well for environmental monitoring, wastewater inspection, water treatment control, industrial water testing, and routine field analysis.

Key Features

Multiparameter Field Measurement

• The Horiba U-53-2 supports multiple water quality parameters in one portable field instrument.
• Moreover, users can measure pH, pHmV, ORP, dissolved oxygen, conductivity, salinity, TDS, seawater specific gravity, turbidity, and temperature with one sensor probe.
• In addition, the 2 m cable supports practical measurement in common field sampling points, tanks, rivers, lakes, and wastewater channels.
• Furthermore, the meter reduces the need for several separate instruments during field inspection.
• Therefore, users can collect complete water quality data more efficiently during outdoor monitoring.

EPA Method 180.1 Turbidity Measurement

• The U-53-2 includes turbidity measurement with a tungsten lamp source and 90° scattering method.
• Moreover, the turbidity range from 0 to 1000 NTU supports testing in surface water, treated water, wastewater, and environmental samples.
• In addition, the low-range turbidity resolution helps users observe small changes in water clarity.
• Furthermore, the turbidity sensor conforms to US EPA Method 180.1, making it suitable for applications that require this turbidity measurement standard.
• As a result, users can monitor turbidity, suspended particles, and water clarity directly in the field.

Field Operation and Data Management

• The control unit features a 320 × 240 LCD with backlight for clear reading in different lighting conditions.
• Moreover, the meter stores up to 10,000 data sets, helping users document field measurements more easily.
• 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 quick-connect cable system helps users connect and disconnect the probe more easily.
• Finally, the water-resistant construction helps users work more confidently in wet environments.

Rugged Sensor Probe Design

• The sensor probe supports 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 durable structure for outdoor applications.
• Furthermore, the sensor probe offers field-replaceable sensors for easier maintenance.
• Therefore, the U-53-2 supports routine field work in surface water, groundwater, wastewater, drainage water, and process water monitoring.

Specifications

General Information

• Product Name: Horiba U-53-2 Multi-Parameter Water Quality Meter
• Model: U-53-2
• Model Code: 3200164506
• Product Type: Portable multi-parameter water quality meter
• Cable Length: 2 m
• Measured Parameters: pH, pHmV, ORP, dissolved oxygen, conductivity, salinity, TDS, seawater specific gravity, turbidity, and temperature
• GPS: Not included
• Water Depth: Not included for this 2 m version

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
• Cable Length: 2 m

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
• Storage Temperature: -10 to 60°C
• Ambient Temperature: -5 to 45°C

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 Resolution: 0.001 mS/cm from 0.000 to 0.999 mS/cm; 0.01 mS/cm from 1.00 to 9.99 mS/cm; 0.1 mS/cm from 10.0 to 99.9 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

Turbidity Specifications

• Turbidity Measurement Principle: Tungsten lamp source and 90° scattering method
• Turbidity Standard: Conforms to US EPA Method 180.1
• Turbidity Range: 0 to 1000 NTU
• Turbidity Resolution: 0.01 NTU from 0 to 0.99 NTU; 0.1 NTU from 1 to 99.9 NTU; 1 NTU from 100 to 1000 NTU
• Turbidity Repeatability: ±5% of reading or ±0.5 NTU, whichever is greater
• Turbidity Accuracy: ±5% of reading or ±1 NTU, whichever is greater

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-53-2 Multi-Parameter Water Quality Meter supports field monitoring in rivers, lakes, ponds, groundwater, drainage channels, wastewater areas, and treatment facilities.
• Moreover, environmental teams can use this meter to check pH, ORP, dissolved oxygen, conductivity, salinity, TDS, seawater specific gravity, turbidity, and temperature during site inspection.
• In addition, the 2 m cable helps users perform practical testing at common sampling points and shallow-to-medium access locations.
• 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-53-2 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.
• Meanwhile, the EPA Method 180.1 turbidity sensor helps users evaluate water clarity and suspended solids conditions during routine monitoring.
• Therefore, the multiparameter measurement capability, EPA Method 180.1 turbidity function, rugged probe design, backlit LCD, high data memory, and water-resistant construction make the Horiba U-53-2 suitable for professional field water quality monitoring.