Environmental Monitoring Equipment & Supplies • Sales, Rental & Service by Enviro-Equipment — Charlotte, North Carolina USA

  • Measures pH, conductivity, dissolved oxygen (DO), oxidation reduction potential (ORP), turbidity, temperature, salinity, total dissolved solids (TDS), and seawater specific gravity.
  • Includes flow-through cell for low flow sampling measurements.
  • Fits into 4" diameter wells and larger.
  • 6 feet cable length.
Title Daily Rate Weekly Rate Monthly Rate
Horiba U-52 Water Quality Instrument Rental $100.00 $300.00 $900.00

The U-50 Series Multi Water Quality Checker features an integrated control unit and sensors. It is capable of measuring multiple parameters simultaneously, and is perfect for use in the field. The U-50 Series is designed with on-site easeof- use in mind, provides a wide variety of functions, and can be used for water quality measurements and inspections of river water, groundwater, and waste water.

Items Included:
  • Horiba U-52 (Meter and Probe)
  • 2 Meter Cable
  • Calibration Cup
  • Flow-Through Cell
  • Auto Calibration Soluion
  • Calibration Record
  • Probe Guard
  • Hard Case
  • Spare Batteries
  • Instruction Manual





Measuring Principle


pH 0 to 14

0.01 pH

±0.1 pH

Glass Electrode Method

Dissolved Oxygen

0 to 50.0 mg/L

0.01 mg/L

Range Dependant

Polarographic Method


0 to 9.99 S/m

Range Dependant

±1% of full scale

4 AC Electrode Method


0 to 70 PPT

0.1 PPT

±3 PPT

Conductivity Conversion

Total Dissolved Solids

0 to 100 g/L

0.1% of full scale

± 5 g/L

Conductivity Conversion

Seawater Specific Gravity

0 to 50 σ t

0.1 σ t

±5 σ t

Conductivity Conversion


-10 to 55 °C

0.01 °C

Not Listed

Platinum Temperature Sensor


0 to 800 NTU

0.1 NTU

±5 %

LED forward 30° transmission/ scattering method

Oxidation Reduction Potential

± 2000 mV

1 mV

±15 mV

Platinum Electrode Method

Horiba U-52 Manual1.81 MB
Horiba U-52 Datasheet1.55 MB