Horiba Multi-Parameter Water Quality Meter

The Horiba U-51, U-52, and U-53 measures and displays 8, 9, or 10 (respectively) parameters simultaneously with newly designed control unit and sensor technology.  Intuitive software assures ease of use and operation efficiency.  Experience the durability and performance of an instrument that exceeds your expectations in the field testing of ground water and surface water applications.  The Horiba U-50 series replaces the Horiba U-22 and Horiba U-10.

The Horiba U-50 Series can be ordered with different sensor configurations and cable lengths, please contact your local Eco-Rental Solutions representative if you require assistance.

U-50 Packing List: Control Unit, Sensor Probe Unit with Cable, Calibration Cup, 500ml pH 4 solution, 250ml Model 330 reference solution, Backpack, DO membrane repair kit w/1 spare membrane cap, pH sensor, ORP Sensor, DO sensor, reference sensor, spanner wrench, cleaning brush, (4) LR14 batteries, hand strap, silicon grease

Additional Information

  • EPA method 180.1 turbidity design for high sensitivity turbidity measurements and wiper system using the Model U-53 and Model U-53G.

  • Dissolved oxygen polarographic sensor requires little maintenance and is easy to rebuild

  • Automatic one point calibration feature speeds calibration of pH, DO, conductivity, turbidity and water depth.

  • All parameters are displayed on one screen.

  • On screen icons display battery power and USB and probe connectivity.

  • Backlight display and enlarged font capability.

  • Field replaceable sensors..

  • Store as many as 10000 sets of data.

  • Multi-parameter measurement of water
Specification Comparison List
pHpH0 -140.01pH
ORP (Oxidation Reduction Potential)-2000 mV to +2000 mV1 mV
Dissolved Oxygen0 to 50.0 mg/L0.01 mg/L
Conductivity0 to 10 S/m (0 to 100mS/cm)0.000 to 0.999 mS/cm: 0.001, 1.00 to 9.99 mS/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
Salinity0 to 70 PPT (permillage)0.1 PPT
TDS (Total Dissolved Solids)0 to 100 g/L0.1% F.S.
Seawater Specific Gravity0 to 50 ó t0.1 ó t
Temperature-10 to 55ºC0.01ºC
Turbidity (Tungsten Lamp)0 to 1000 NTU0.1 NTU
Water depth0 to 30 m0.5 m