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 & Orthophosphate: 30 minutes
                                    
                                
    						
								
                                    
                                        
                                            
                                                Demineralised 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
                                    
                                
    						
								
                                    
                                        
                                            
                                                Exceedance Tracking:
                                            
                                            
                                        
									    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, Sulphide > 2 mg/L, and Vanadium (V), Silica > 60 mg/L. Large amounts of colour and turbidity interfere. Fats, oil, proteins, surfactants and tar.
                                    
                                
    						
								
                                    
                                        
                                            
                                                Lower Limit of Detection (LOD):
                                            
                                            
                                        
									    ≤ 0.025 mg/L
                                    
                                
    						
								
                                    
                                        
                                            
                                                Material:
                                            
                                            
                                        
									    Hinged part: Thermoform ABS, door: PMMA
Wall section: Galvanised steel, powder coated
                                    
                                
    						
								
                                    
                                        
                                            
                                                Measurement method:
                                            
                                            
                                        
									    Colorimetric measurement at 700 nm using ascorbic acid reduction and molybdate colour solution after persulphate digestion in acidic medium, conform with APHA 4500-P
                                    
                                
    						
								
                                    
                                        
                                            
                                                Number of sample streams:
                                            
                                            
                                        
									    1, 2, 4, or 8
                                    
                                
    						
								
                                    
                                        
                                            
                                                Parameter:
                                            
                                            
                                        
									    Total Phosphorus (TP), Orthophosphate (PO₄-P)
                                    
                                
    						
								
                                    
                                        
                                            
                                                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:
                                            
                                            
                                        
									    Analyser cabinet: IP44 / Panel PC: IP65
                                    
                                
    						
								
                                    
                                        
                                            
                                                Range:
                                            
                                            
                                        
									    0.025 - 5 mg/L TP/PO₄-P
                                    
                                
    						
								
                                    
                                        
                                            
                                                Reagent Requirements:
                                            
                                            
                                        
									    Keep between 10 - 30 °C
                                    
                                
    						
								
                                    
                                        
                                            
                                                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
                                    
                                
    						
								
                                    
                                        
                                            
                                                Validation:
                                            
                                            
                                        
									    Automatic; frequency freely programmable
                                    
                                
    						
								
                                    
                                        
                                            
                                                Warranty:
                                            
                                            
                                        
									    12 months
                                    
                                
    						
								
                                    
                                        
                                            
                                                Weight:
                                            
                                            
                                        
									    25 kg
                                    
                                
    						
								
                                    
                                        
                                            
                                                What's included?:
                                            
                                            
                                        
									    EZ7863 Total Phosphorus/Orthophosphate Analyser, Instruction Manual, 1 x Double Bit Door Key, 1 x Mounting Brackets and empty Containers for Reagents with Fittings