Tiếng Việt
The full picture of Phosphorus removal: Total Phosphorus and Orthophosphate
You spend a lot of time looking at your data and your process, so you never come close to any compliance issues while managing your environmental and regulatory goals. When you choose the new EZ Series Total Phosphorus and Orthophosphate analyzer from Hach, you’ll get industry-leading technology with the power to measure both parameters in one analyzer for a full picture of your Phosphorus removal process. Full process insight gives you the confidence to take action.
There are many additional instrument options available. Please contact Hach for more details.
| Alarm | 1 x malfunctioning, 4 x user-configurable, max. 24 VDC/0.5 A, potential free contacts |
| Ambient Temperature | 10 – 30 °C, ± 4 °C deviation at 5 – 95% relative humidity (non-condensing) |
| Analog Outputs | Active 4 – 20 mA max. 500 Ohm load, standard 1, max. 8 (option) |
| Calibration | Automatic, 2-point; frequency freely programmable |
| Certifications | CE compliant / ETL certified |
| Cycle Time | Standard measurement cycle time for TP: 30 minutes |
| Demineralized Water | For rinsing / dilution |
| Digital Outputs | Optional: Modbus (TCP/IP, RS485) |
| Dimensions (H x W x D) | 690 mm x 465 mm x 330 mm |
| Drain | Atmospheric pressure, vented, min. Ø 32 mm |
| Earth Connection | Dry and clean earth pole with low impedance (< 1 Ohm) using an earth cable of > 2.5 mm² |
| Instrument Air | Dry and oil free according to ISA-S7.0.01-1996 quality standard for instrument air |
| Interferences | Arsenic (V), Chromium (VI), Copper (II) > 10 mg/L, Iron (III) > 10 mg/L, Sulfide > 2 mg/L, and Vanadium (V), Silica > 60 mg/L. Large amounts of color and turbidity interfere. Fats, oil, proteins, surfactants and tar. |
| Lower Limit of Detection (LOD) | ≤ 0.01 mg/L |
| Material | Hinged part: Thermoform ABS, door: PMMA Wall section: Galvanized steel, powder coated |
| Measurement Method | Colorimetric measurement at 700 nm using ascorbic acid reduction and molybdate color solution after persulfate digestion in acidic medium, conform with APHA 4500-P |
| Number of sample streams | 1, 2, 4, or 8 |
| Parameter | Total Phosphorus (TP) |
| Power | 230 VAC, 50/60 Hz 120 VAC, 50/60 Hz Max. power consumption: 440 VA |
| Precision | Better than 2% full scale range for standard test solutions |
| Protection Class | Analyzer cabinet: IP44 / Panel PC: IP65 |
| Range | 0.01 – 2 mg/L TP |
| Reagent Requirements | Keep between 10 – 30 °C (50 – 86 °F) |
| Sample Flow Rate | 100 – 300 mL/min |
| Sample Pressure | By external overflow vessel |
| Sample Quality | Maximum particle size 100 µm, < 0.1 g/L; Turbidity < 50 NTU |
| Sample Temperature | 10 – 30 °C (50 – 86 °F) |
| Validation | Automatic; frequency freely programmable |
| Warranty | 12 months |
| Weight | 25 kg (55 lbs.) |
| What’s included? | EZ7822 Total Phosphorus Analyzer, Instruction Manual, 1 x Double Bit Door Key, 1 x Mounting Brackets and empty Containers for Reagents with Fittings |
