EZ Series Phosphate Analysers
Overview
The EZ Series Online Analysers offer multiple options to monitor Phosphate in water. Typical applications are wastewater, drinking water, steam & power generation, surface water.
The EZ1000 Series Analysers use colorimetric analysis to measure Phosphate:
– EZ1031 Vanadate yellow method; standard measuring range: 0.1 – 10 mg/L PO₄-P
– EZ1032 Molybdate blue method; standard measuring range: 0.005 – 1 mg/L PO₄-P
Options for EZ1000 analysers include:
– Calibration to 10, 25 or 50% of standard range
– Internal dilution
Options for all analysers include:
– Multiple stream analysis (1-8 streams) reducing cost per sampling point
– Analogue and/or digital outputs for communication
Phosphate can also be measured in combination with Total Phosphorus. For this option please check the EZ7800 Series.
Some applications may require the use of a sampling/filtration or an external dilution system for sample preconditioning. For this option please check the EZ9000 Sample Preconditioning page.
Product information
Specifications: Total Phosphorus (TP) and/or Phosphate (PO4-P)
Measurement Method: Colorimetric measurement at a wavelength of 700 nm using ascorbic acid reduction solution and molybdate color reagent after persulfate digestion in an acidic medium, compliant with APHA 4500-P
Measurement Range
- EZ782x: from 0.005 - 1 mg/L TP to 0.5 - 50 mg/L TP
- EZ786x: from 0.005 - 1 mg/L TP/PO4-P to 0.5 - 50 mg/L TP/PO4-P
Accuracy: Better than 2% full scale for standard test solutions
Detection Limit: ≤ 0.005 mg/L
Measurement Cycle: Standard TP or TP and Orthophosphate: 30 minutes
Automatic Cleaning: Yes
Calibration: Automatic, 2 points; freely programmable frequency
Ambient Temperature: 10 - 30 °C ± 4 °C at relative humidity 5 - 95% (non-condensing)
Reagent Requirements: Keep between 10 - 30 °C (50 - 86 °F)
Sample Flow Rate: 100 - 300 mL/min
Sample Pressure: Atmospheric pressure overflow
Sample Quality: Maximum particle size 100 µm, <0.1 g/L; Turbidity <50 NTU Sample Temperature: 10 - 30 °C (50 - 86 °F)
Power Supply: 230 VAC, 50Hz
Service Gas: Dry and oil-free per ISA-S7.0.01-1996 quality standard
Deionized Water: For rinsing/dilution
Drain: Atmospheric pressure, vented, minimum Ø 64 mm
Grounding: Yes
Analog Output: 4-20 mA, Standard 1, maximum 8
Digital Output: Optional Modbus RS485/ Modbus TCP/IP
Alarms: 1 x fault, 4 x user-configurable
Dimensions (H x W x D): 690 mm x 465 mm x 330 mm
Protection Class: Analyzer cabinet: IP55 / Panel PC: IP65
Material: Hinge part: heat-resistant ABS, door: plexiglass; Wall part: Galvanized steel, powder-coated
Number of Sample Streams: 1 stream (Option up to 8 sample streams)
Calibration Verification: Automatic; freely programmable frequency
Weight: 25 kg
Certification: CE compliant / UL certified