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HORIBA received an order from the United States National Aeronautics and Space Administration (NASA), to supply water quality sensors to be used in the medical intravenous (IV) fluid production device... Read more
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U-50 Multiparameter Water Quality Checker
Overview
U-50 series Multi-parameter water quality checker enables to measure and indicate the monitoring result simultaneously up to 11 parameters with one unit. 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
- 5 languages display (English, Japanese, Russian, Spanish, Portuguese)
- Multiple sensors allow for the measurement of 11 paramenters 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 field replaceable sensor with wiper has a resolution of 0.01 NTU.
- Turbidity sensor of U-54 conforms to EN ISO 7027. The model U-54 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.
Manufactured by HORIBA
Specifications
U-50 series Feature comparison
U-51 | U-52 | U-52G | U-53 | U-53G | U-54 | U-54G | |
|---|---|---|---|---|---|---|---|
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 | — | — | ○ | — | ○ | — | ○ |
Note: *U-54/G(2m) don't have the feature of water depth.
Sensor Probe
U- | U- | U- | U- | U- | U-54 | U-54G | |
|---|---|---|---|---|---|---|---|
Max.items displaying simultaneously | 10 | 11 | 11 | 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 | ||||||
Automatic calibration | Applying to all models | ||||||
Turbidity wiper | – | – | – | ○ | ○ | – | – |
Measurement depth | Max. 30 m | ||||||
Material contact with liquid | PPS, glass, SUS316L, SUS304, FKM, PEEK, Q,Titaniumu, | ||||||
Water resistance | JIS protection livel 8 | ||||||
Monitor
U-51 | U-52 | U-52G | U-53 | U-53G | U- | U- | |
|---|---|---|---|---|---|---|---|
Outer dimensions | 115(W) X 66(D) X 283(H) mm | ||||||
Mass | Approx. 800 g | ||||||
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) | Approx. 70 hours (without backlight) | ||||
Storage temperature | -10 to 60°C | ||||||
Ambient temperature | -5 to 45°C | ||||||
pH(All models in common)
- Two-point calibration
- Automatic temperature
Specification attribute | Specification value |
|---|---|
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 (DO, All models in common)
- Salinity conversion (0 to 70 PPT / automatic)
- Automatic temperature compensation
Specification attribute | Specification value |
|---|---|
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 |
Conductivity (COND, All models in common)
- 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 |
Repeatability | ±0.05% F.S. |
Accuracy | *±1% F.S. |
Salinity
Specification attribute | Specification value |
|---|---|
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 | 0.1% F.S. |
Repeatability | ±2 g/L |
Accuracy | ±5 g/L |
Seawater specific gravity
- Display δ1, δ0, δ15
Specification attribute | Specification value |
|---|---|
Measurement principle | Conductivity conversion |
Range | 0 to 50 δt |
Resolution | 0.1 δt |
Repeatability | ±2 δt |
Accuracy | ±5 δt |
Temperature
Specification attribute | Specification value |
|---|---|
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 |t|) |
Turbidity (TURB)
U-51 | U-52 | U-52G | U-53 | U-53G | U- | U- | |
|---|---|---|---|---|---|---|---|
Measurement principle | – | LED | Tungsten lamp | LED | LED | ||
Range | – | 0 to 800 NTU | 0 to 1000 NTU | 0 to 1000 NTU | 0 to 1000 NTU | ||
Resolution | – | 0 to 99.9 NTU: 0.1, | 0 to 9.99 NTU: 0.01, | 0 to 0.99 NTU: 0.01, | 0 to 0.99 NTU: 0.01, | ||
Repeatability | – | *±5% (reading) or ±0.5 NTU whichever is greater | ±3% (reading) or ±0.1 NTU whichever is greater | ±5% (reading) or ±0.5 NTU whichever is greater | ±5% (reading) or ±0.5 NTU whichever is greater | ||
Accuracy | – | ±5% (reading) or ±1 NTU whichever is greater | 0 to 10 NTU: ±0.5 | ±5% (reading) or ±1 NTU whichever is greater | ±5% (reading) or ±1 NTU whichever is greater | ||
Water depth
U- 51 | U-52 | U-52G | U-53 | U-53G | U-54 | U-54G | |
|---|---|---|---|---|---|---|---|
Measurement principle | – | – | Pressure method | Pressure method, | Pressure method, only 10m and 30m product | ||
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 and U-54G.)
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).
Downloads
- Multiparameter Water Quality Checker U-50 series
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