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Horiba U-22 XD and W-23 XD Water Quality Monitoring Systems
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U-22 XD
Simultaneous Measurement of 10 Parameters:
pH
Dissolved Oxygen
Conductivity
Salinity
Total Dissolved Solids
Sea water Specific Gravity
Temperature
Turbidity
Depth
Oxygen Reduction Potential
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U23
Simultaneous Measurement of 13 Parameters:
pH
Dissolved Oxygen
Conductivity
Salinity
Total Dissolved Solids
Sea water Specific Gravity
Temperature
Turbidity
Depth
Oxygen Reduction Potential
Plus 3 ION Sensors
(Choose from: Nitrate, chloride, calcium, fluoride, potassium, or ammonia)
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| Horiba U-20 Series Water Quality Monitoring System |
Years of Horiba sensor technology development have reached their culmination in the form of a 46-mm diameter sensor probe. These units offer a compact, highly accurate monitoring solution with high pressure tolerance, long term continuous measurement capabilities, waterproof construction, and monitoring of up to 13 parameters. In addition to the Water Quality Monitoring System's own capabilities, it was designed by Horiba to be compatible with GPS and other data processing techniques. And now, the U-20 series is available with a detachable cable and flow through cell designed by Horiba. |
Features:
- The NEW U-22XD (Extra Durable) design - includes a new 316 Stainless Steel Probe Cover, Stronger CT cell, and Pelican carrying case.
- One Touch Calibration - Just submerge the probe into the calibration beaker filled with standard solution and press the button for simultaneous one-point calibration. The system also enables two-point calibration where high precision measurement data is required.
- Probe assembly fits inside 2-inch well (U-22 XD only)
- Data Logging Capability - The sensor's built in memory function enables continuous measurement for as long as one month (with measurements every 15 minutes).
- Simultaneous Measurement of up to 13 Parameters - 10 parameters with U-22 Model and 13 parameters with W-23 Model.
- Measurement at Depths up to 100 Meters
- High-Precision Dissolved Oxygen Sensor - This quick response sensor requires no stirring.
- System Enables GPS, PC, and Printer Capabilities
- Dry Cell Battery Operated - runs on standard alkaline batteries.
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Product
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Description
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Specifications
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| Main unit |
External dimension: |
169(H) x 98(W) x 56(D)mm |
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Weight: |
approx. 485g |
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Water proof construction: |
IP- 67 |
Sensor probe |
Measurement temperature: |
0-55°c |
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Storage temperature: |
- 5-60°c |
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Measurement depth: |
to 30m |
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Maximum probe size: |
46mm |
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Probe length: |
380mm (U-20 and U-21)
430mm (U-23) |
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Continuous use available: |
30days Manual data memory (2880 items) Automatic calibration |
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Weight: |
approx. 1500 g(with 10 m cable) |
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Probe Length: |
380m |
pH |
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Two - point calibration Automatic temperature compensation |
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Measuring principle: |
Glass electrode method |
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Range: |
pH0~14 |
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Resolution: |
0.01pH |
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Repeatability: |
±0.05pH |
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Accuracy: |
±0.1pH |
Dissolved oxygen |
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Salt correction (0 to 40 ppt / automatic) Automatic temperature compensation |
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Measuring principle: |
Diaphragm gavanic |
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Method Range: |
0-19.99mg /L |
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Resolution: |
0.01mg/L |
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Repeatability: |
±0.1mg/L |
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Accuracy: |
±0.2mg/L |
Conductivity |
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Auto range
Automatic temperature conversion)(25°C) SI units |
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Measuring principle: |
4 AC electrode |
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Method range: |
0~4% |
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Resolution: |
0.01% |
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Repeatability: |
±0.1% |
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Accuracy: |
±0.3% |
Salinity |
Measuring principle: |
Conductivity |
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Conversion range: |
0-4% |
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Resolution: |
0.01% |
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Repeatability: |
±0.1% |
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Accuracy: |
±0.3% |
Total Dissolved Solids (TDS) |
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Conversion factor setting |
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Measuring principle: |
Conductivity |
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Conversion range: |
0-100mg/L |
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Resolution: |
0.1%F.S |
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Repeatability: |
±2mg/L |
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Accuracy: |
±5mg/L |
Sea water specific gravity |
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Display Sea water specific gravity Display °t, °0, °15 |
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Measuring principle: |
Conductivity |
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Conversion range: |
0-50°t |
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Resolution: |
0.1°t |
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Repeatability: |
±2°t |
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Accuracy: |
±5°t |
Temperature |
Measuring principle: |
Thermistor |
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Method range: |
0-55°c |
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Resolution: |
0.01°c |
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Repeatability: |
±0.3°c |
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Accuracy: |
±1.0°c |
Turbidity |
Unit selection Measuring principle: |
Penetration and scattering |
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Method range: |
0-800 NTU |
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Resolution: |
0.1NTU |
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Repeatability: |
±3% |
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Accuracy: |
±5% |
Water depth |
Measuring principle: |
Pressure method range
(NTU or mg / L):0-100m |
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Resolution: |
1m Repeatability: ±3% |
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Accuracy: |
±5% |
Oxidization reduction potential(ORP) |
Measuring principle: |
Platinum electrode |
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Method range: |
±1999mV |
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Resolution: |
1mV Repeatability:±5mV |
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Accuracy: |
±15mV |
ION |
Auto range Measuring principle: |
Ion electrode method |
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Resolution: |
0.1%F.S |
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Repeatability: |
±5% |
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Accuracy: |
±10% |
Range |
Nitric acid ion(NO3)*: |
0.62-62,000 mg/L (pH 3-7) |
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Chloride ion (Cl):* |
0.4~35,000 mg/L (pH3~11) |
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Calcium ion (Ca2)*: |
0.4-40,080 mg/L (pH5-11) |
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Fluoride ion (F)*: |
0.02-19,000 mg/L (pH4-10) |
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Potassium ion(K)*: |
0.04-39,000 mg/L (pH5-11) |
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Ammonia(NH3): |
0.1-1,000 mg/L (pH12 or more) |
| Notes |
The accuracy rating value is obtained from measurements at an intermediate point of the standard solution after two-point calibration (at room temperature andpressure). The repeatability and accuracy rating percentages are based on the full scale (except for salinity). |
- 1: Organic solvents, strong acids, and strong alkaline solvents cannot be measured.
- 2: The maximum depth for ion measurements are 100 m for nitric acid ion, chloride ion, fluoride ion, 15 m for calcium ion, ammonia, and 3 m for potassium ion.
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