Name: Horiba U-50 Multiparameter Water Quality Meter
Brand: Horiba
SKU: 1307

Horiba U-50 Multiparameter Water Quality Meter

See More Horiba Multiparameter Water Quality Meter

Horiba U-50 Multiparameter Water Quality Meter

Segment: Process And Environment

Division: Water Pollution

Manufacturing Company: HORIBA Advanced Techno Co. Ltd.

Horiba U-50 Multiparameter Water Quality Meters are equipped to measure and log data for as many as 11 parameters simultaneously with one single probe. Tough & powerful design, considering user friendly field monitoring on site, such as rive, ground water, drainage water, etc. bring together feature of function and performance, which makes simple operation for everybody.

Features

Control Unit Design for Field Operations

Auto-calibration feature provides hassle free calibration of pH, dissolved oxygen, conductivity, turbidity and depth.
Shock resistant cover designed for rough treatment in the field and is easily cleaned.
Cable can be easily connected and disconnected with quick-connect fitting.

Data Management

Auto hold function freezes average data values on the screen to offer more time to verify or transcribe data.
Diagnostic functions notify the user of errors.
Integral USB connection for data transfer to a PC. USA cable is sold separately and includes software.
Selectable measurement units allow the operator to report data without the need to convert data to desired units of measure.

Sensor Probe Unit

Multiple Sensors Housed in Each Probe

Multiple sensors allow for the measurement of 11 parameters simultaneously (pH, pH(mv), ORP, DO, COND, Salinity, TDS,Seawater Specific Gravity, Temperature, Turbidity, Water Depth).
Turbidity sensor U-53 conforms to US EPA method 180.1. Precision has been improved over conventional instruments. The model U-53 high precision filed replaceable turbidity sensor with wiper has a resolution of 0.01 NTU.
Improved stability of the dissolved oxygen sensor has been achieved with a new 3 electrode design for fast response and polarographic sensor for ease of maintenance.
pH and ORP electrodes can be replaced individually to reduce replacement costs

Specifications

U-50 series Feature Comparison

U-51

U-52

U-52G

U-53

U-53G

Dissolved Oxygen

Conductivity

Salinity

TDS(Total Dissolved Solid)

Seawater specific gravity

Temperature

Turbidity (LED)

—

Turbidity (Tangsten lamp)

—

Water depth

—

ORP (Oxidation Reduction Potential)

GPS

—

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Sensor Probe	U-51	U-52	U-52G	U-53	U-53G
Max.items displaying simultaneously	10	11	11	11	11
Measurement temperature	-10 to 55°C
Max. sensor diameter	Approx. 96mm
Probe length	Approx. 340mm
Cable length	Standard: 2m, Option: 10m,30 m
Mass	Approx. 1800g (Approx. 3.97 Ibs)
Automatic calibration (use pH4)	Applying to all models
Turbidity wiper	–	–	–
Measurement depth	Max. 30 m
Material contact with liquid	PPS, glass, SUS316L, SUS304, FKM, PEEK, Q,Titaniumu, FEP membrane, POM
Water resistance	JIS protection livel 8

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Monitor	U-51	U-52	U-52G	U-53	U-53G
Outer dimensions	115(W) X 66(D) X 283(H) mm
Mass	Approx. 800 g (Approx. 1.76 Ibs)
LCD	320 X 240 liquid crystal display with backlight (black and white)
Data memory	10,000
Communication	USB
Battery	C batteries X 4
Water resistance	JIS protection level 7 (when sensor cable is fitted)
Battery life	U-51, U-52, U-52G: Approx. 70 hours (without backlight) U-53, U-53G: Approx.500 measurements
Storage temperature	-10 to 60°C
Ambient temperature	-5 to 45°C

Two point calibration
Automatic temperature compensation

Measurement principle	Glass electrode method
Range	pH 0 to 14
Resolution	0.01pH
Repeatability	±0.05pH
Accuracy	±0.1pH

Oxidation Reduction Potential (ORP)

Specification attribute	Specification value
Measurement principle	Platinum electrode method
Range	-2000 mV to +2000 mV
Resolution	1 mV
Repeatability	±5 mV
Accuracy	±15 mV

Dissolved Oxygen (Available in All Models): Salinity conversion (0 to 70 PPT / automatic) | Automatic temperature compensation

Measurement principle	Polarographic method
Range	0 to 50.0 mg/L
Resolution	0.01 mg/L
Repeatability	±0.1 mg/L
Accuracy	0 to 20 mg/L: ±0.2 mg/L, 20 to 50 mg/L: ±0.5 mg/L

Conductivity (Avaliable in All Models): Auto range | Automatic temperature conversion (25°C)

Measurement principle	4 AC electrode method
Range	0 to 10 S/m (0 to 100 mS/cm)
Resolution	0.000 to 0.999 mS/cm: 0.001 1.00 to 9.99 mD/cm: 0.01 10.0 to 99.9 mS/cm: 0.1 0.0 to 99.9 mS/m: 0.1 0.100 to 0.999 S/m: 0.001 1.00 to 9.99 S/m: 0.01
Repeatability	±0.05% F.S.
Accuracy	±1% F.S. (Median of two-point calibration)

Salinity (Avaliable in All Models)

Measurement principle	Conductivity conversion
Range	0 to 70 PPT (permillage)
Resolution	0.1 PPT
Repeatability	±1 PPT
Accuracy	±3 PPT

Total Dissolved Solid (TDS): Conversion factor setting

Specification attribute	Specification value
Measurement principle	Conductivity conversion
Range	0 to 100 g/L
Resolution	F.S. 0.1%
Repeatability	±2 g/L
Accuracy	±5 g/L

Seawater specific gravity (Available in All Models): Display δ1, δ0, δ15

Measurement principle	Conductivity conversion
Range	0 to 50 δt
Resolution	0.1 δt
Repeatability	±2 δ
Accuracy	±5 δ

Temperature (Available in All Models)

Measurement principle	Thermistor method
Range	-10 to -55°C
Resolution	0.01°C
Repeatability	±0.10°C (at calibration point)
Accuracy	JIS class B platinum thermometer sensor (±0.3 + 0.005 / 1°C)

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Turbidity (TURB)	U-51	U-52	U-52G	U-53	U-53G
Measurement principle	–	LED light source and 30°scattering method		Tungsten lamp source and 90°scattering method
Range	–	0 to 800 NTU		0 to 1000 NTU
Resolution	–	0 to 99.9 NTU: 0.1, 100 to 800 NTU: 1		0 to 9.99 NTU: 0.01, 10 to 99.9 NTU: 0.1, 100 to 1000 NTU: 1,
Repeatability	–	*±5% (reading) or ±0.5 NTU whichever is greater		±3% (reading) or ±0.1 NTU whichever is greater
Accuracy	–	±5% (reading) or ±1 NTU whichever is greater		0 to 10 NTU: ±0.5 10 to 1000 NTU: 3% (reading) or ±1 NTU whichever is greater

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Water depth	U-51	U-52	U-52G	U-53	U-53G
Measurement principle	–	–	Pressure method
Range	–	–	0 to 30 m
Resolution	–	–	0.05 m
Repeatability	–	–	±1% F.S.
Accuracy	–	–	±0.3 m

GPS: 12 channel parallel (This is availalble for U-52G, U-53G.)

Note:

Battery life based on continuous operation using alkaline C dry batteries when the monitor temperature is over 20℃ and the backlight OFF.
Accuracy is measured by calibrating 4 points for turbidity and electrical conductivity and 2 points for all other measurements against standard solution.
Repeatability is measured by the ability to reproduce the results against the standard solution (at 25℃ normal pressure condition).