Water Quality Meter: Multi-Parameter Horiba U-50 Series

Horiba's U-50 series is a line of water quality meters that allows you to measure up to 11 water quality parameters at the same time. It is designed to be both rugged and easy to operate, making it a perfect match for field work. Sampling rivers, environmental groundwater wells, lakes, runoff and drainage is an easy task with a Horiba U-52 Series Water Quality Meter in your hands.

Horiba U-50 Series Water Quality Meter Options & Extra Features

See the charts below to help decide which model fits your needs, then click on the relevant link under "purchase options" to go to the online store for pricing and purchase information.

Horiba U-50 Water Quality Meter Specifications

U-50 series Feature comparison	U-52	U-52G	U-53	U-53G
pH	○	○	○	○
Dissolved Oxygen	○	○	○	○
Conductivity	○	○	○	○
Salinity	○	○	○	○
TDS(Total Dissolved Solid)	○	○	○	○
Seawater specific gravity	○	○	○	○
Temperature	○	○	○	○
Turbidity (LED)	○	○	—	—
Turbidity (Tangsten lamp)	—	—	○	○
Water depth	—	○	○	○
ORP (Oxidation Reduction Potential)	○	○	○	○
GPS	—	○	—	○

See pH Specifications (Click)
See DO Specifications (Click)
See Conductivity Specifications (Click)
See Temperature Specifications (Click)
See Turibidity Specifications (Click)
See Oxidation Specifications (Click)

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

Dissolved Oxygen	Salinity conversion (0 to 70 PPT / automatic) Automatic temperature compensation
Specification attribute	Specification value
Measurement principle	Polarograph 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	Auto range Automatic temperature conversion (25°C)
Specification attribute	Specification value
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)

Temperature
Specification attribute	Specification value
Measurement principle	Thermistor method
Range	-5 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)

Turbidity (TURB)
	U-52	U-52G	U-53	U-53G
Measurement principle	30°LED forward penetration and scattering method		90°Tungsten lamp penetration and scattering method
Range	0 to 800 NTU		0 to 1000 NTU
Resolution	0.1 NTU		0.01 NTU
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: ±5 NTU 10 to 1000 NTU: 3% (reading) or ±1 NTU whichever is greater

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

Horiba U-50 Series data sheet in PDF
Horiba U-50 Series Instruction Manual PDF

Horiba Water Quality Meter Purchase Options

As a Horiba distributor, we are able to offer excellent deals on instruments, as well as parts, rentals, and repairs. Click on the "buy now" links below to go to the relevant product page in our online store. To see all water quality products at once, click here.

	U-52	U-52G (GPS)	U-53	U-53G (GPS)
2M Cable
10M Cable
30M Cable

If you have additional questions, please call and speak to Fred.

Horiba U-50 Multi-Parameter Water Quality Meters

Horiba U-50 Series Water Quality Meter Options & Extra Features

Horiba U-50 Water Quality Meter Specifications

Horiba Water Quality Meter Purchase Options