EZ7050 Chemical Oxygen Demand Analyser (COD, Permanganate Method)

EZ7050 Chemical Oxygen Demand Analyser (COD, Permanganate Method)
Αρ. προϊόντος: EZ7050.XXXXXXXX
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EZ7050 COD Analyser, Instruction Manual, 1 x Double Bit Door Key, 1 x Mounting Brackets, 1 x Combined Pt Electrode, Routine S7 Connection, 1 x empty 2.5L Reagent Container with Fittings (AgNO₃ Solution), 2 x empty 10L Reagent Containers with Fittings (Acid & Oxalate Solution) and 1 x empty 10L Reagent Dark Container with Fittings (KMNO₄ Solution)

Προδιαγραφές

Cooling water: Flow rate approx. 5 L/h; temperature max. 30 °C; pressure max. 0.5 bar
Demineralised water: For rinsing
Digital outputs: Επιλογή: Modbus (TCP/IP, RS485)
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
Precision: Better than 5% full scale range for standard test solutions
Reagent Requirements: Keep between 10 - 30 °C
Validation: Automatic; frequency freely programmable
Αναλογικές έξοδοι: Ενεργό φορτίο 4 - 20 mA µέγ. 500 Ohm, τυπικό 1, µέγ. 8 (επιλογή)
Αποστράγγιση : Ατµοσφαιρική πίεση, µε εξαερισµό, ελάχιστη διάµετρος 32 mm
Αριθµ. Ροών δείγµατος : 1, 2, 4, του 8
Βαθµονόµηση : Automatic, 2-point; frequency freely programmable
Βαθµός προστασίας: Θάλαµος αναλυτή: IP44 / Πίνακας υπολογιστή: IP65
Βάρος : 25 kg
Δείγµα: πίεση: By external overflow vessel
Διαστάσεις (ΥxΠxB): 690 mm x 465 mm x 330 mm
Εγγύηση : 24 µήνες
Εύρος µέτρησης : 1 - 20 mg/L O2
  1 - 20 mg/L O₂
Θερµοκρασία Δείγµατος: 10 - 30 °C
Θερµοκρασία περιβάλλοντος : 10 - 30 °C ±4 °C deviation at 5 - 95% relative humidity (non-condensing)
Μέθοδος µέτρησης : Redox titration after oxidation by acid-potassium dichromate solution, conform with ISO 6060 method Or redox titration after oxidation by potassium permanganate solution, conform with ISO 8467 and JIS K0806 methods
Όριο ανίχνευσης : ≤ 1 mg/L
Παράµετρος : COD
Παρεµποδίσεις : Chloride > 1 g/L, inorganic reducing agents such as nitrites, sulphides and iron(II) will increase the result, aromatic hydrocarbons and pyridine are not oxidized to any appreciable extent. Some very volatile organic substances may escape the oxidation by evaporation. Straight chain aliphatic compounds are effectively oxidised by the silver sulphate/sulphuric acid solution. Fats, oil, proteins, surfactants and tar.
Πιστοποιήσεις : CE compliant / UL certified
Ποιότητας δείγµατος : Maximum particle size 100 µm, < 0.1 g/L; Turbidity < 50 NTU
Ρυθµός ροής δείγµατος : 100 - 300 mL/min
Συναγερµός : 1 x malfunctioning, 4 x user-configurable, max. 24 VDC/0.5 A, potential free contacts
Τι περιέχει το καλάθι: EZ7050 COD Analyser, Instruction Manual, 1 x Double Bit Door Key, 1 x Mounting Brackets, 1 x Combined Pt Electrode, Routine S7 Connection, 1 x empty 2.5L Reagent Container with Fittings (AgNO₃ Solution), 2 x empty 10L Reagent Containers with Fittings (Acid & Oxalate Solution) and 1 x empty 10L Reagent Dark Container with Fittings (KMNO₄ Solution)
τροφοδοσία : 230 VAC, 50/60 Hz
120 VAC, 50/60 Hz
Μέγ. κατανάλωση ισχύος: 440 VA
Υλικό : Hinged part: Thermoform ABS, door: PMMA
Wall section: Galvanised steel, powder coated
Χρόνος κύκλου: 40 minutes, including oxidation time of 30 minutes.
Remark: standard method for Cr destruction requires 120 minutes.