High accuracy in-situ phosphate measurement
La metodología del sensor HydroCycle P se basa en los métodos estándar de la Agencia Norteamericana de Protección del Medio ambiente EPA y combina la fluídica de precisión con una óptica avanzada para proporcionar una precisión y una exactitud inigualables. Idóneo para el monitoring sin vigilancia, el Cycle P incorpora cartuchos de reactivo premezclados y estándares de calibración integrados.
- Instalación fija
- Fosfato
- Duración del reactivo de 5 meses, límite de detección de 2,3- μgP/L, cartuchos de reactivo insertables, estándar NIST integrado, >1500 muestras/servicio, calibrado en fábrica
- SDI-12
| Mechanical | |
| Height (w/handle) | 56 cm |
| Width | 18 cm |
| Weight in air | 6.8 kg (w/ reagents) |
| Weight in water | 0.37 kg |
| Depth | 200 m |
| Temperature *1 | 0 … 35 °C |
| Electrical | |
| Input | 10.5 … 18 VDC |
| Current draw | 3.0 A max; 115 mA avg |
| Data output | RS-232 / SDI-12 |
| Host Connector | MCBH-6-MP |
| SDI Connector | MCBH-8-MP |
| Sample rate | 2 per hour |
| Data memory | 1 GB |
| Optical | |
| LED wavelength | 870 nm |
| Pathlength | 5 cm |
| Linearity | equal or greater than 95% R2 |
| Analytical | |
| Detection limit, three standard deviations of 18 MOhm water | equal to or less than 0.0023 mg/L PO4-P |
| Quantification limit, ten standard deviations of 18 MOhm water | equal to or less than 0.0077 mg/L PO4-P |
| Standard deviation of standard solution of 2.6 µM | equal to or less than 0.0015 mg/L PO4-P |
| Range, nominal *2 | 0-0.3 mg/L PO4-P |
| Note: | *1 Both storage and operating temperature for sensor and reagent cartridges. *2 Higher range is possible (0 … 40 µM, 0 … 1.2 mg/L PO4-P) but is outside specifications mg/L PO4-P refers to mg of atoms phosphorus per liter measured in the form of reactive phosphate. ppm ~ mg/L, ppb ~µg/LSpecifications are subject to change without notice. |
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