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EZ7254 Volatile Fatty Acids (VFA) & Total Alkalinity Analyser

Réf. produit: EZ7254.XXXXXXXX

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Air instrument: Dry and oil free according to ISA-S7.0.01-1996 quality standard for instrument air

Alarme: 1 x malfunctioning, 4 x user-configurable, max. 24 VDC/0.5 A, potential free contacts

Certifications: CE compliant / ETL certified

Classe de protection: Analyser cabinet: IP44 / Panel PC: IP65

Conservation réactifs: Keep between 10 - 30 °C

Débit de l'échantillon: 100 - 300 mL/min

Drain: Atmospheric pressure, vented, min. Ø 32 mm

Durée d'analyse: 15 minutes

Eau déminéralisée: N.A.

Étalonnage: Automatic; frequency freely programmable

Garantie: 24 mois

Interférences: Phosphates and similar dissociating ions and non-fatty acids which on acidification from
undissociated acids may cause interference. Sulphide (S²-) may deteriorate some types
of pH electrodes. Fats, oil, proteins, surfactants and tar.

Limite de détection: ≤ 100 mg/L VFA
≤ 250 mg/L TA

Matériel: Hinged part: Thermoform ABS, door: PMMA
Wall section: Galvanised steel, powder coated

Méthode de mesure: Acid-base titration

Mise à la terre: Dry and clean earth pole with low impedance (< 1 Ohm) using an earth cable of > 2.5 mm²

Nombre de voies d'échantillons: 1, 2, or 4

Nom de la méthode: Titrimetric

Paramètres: Volatile Fatty Acids (VFA), Total Alkalinity (TA)

Plage de mesure: VFA 100 mg/L - 5000 mg/L, Total Alk: 250 mg/L - 25000 mg/L

VFA 100 mg/L - 5000 mg/L
TA 250 mg/L - 25000 mg/L

Poids: 25 kg

Précision: Better than 3% full scale range for standard test solutions

Pression de l'échantillon: By external overflow vessel

Puissance: 100 - 240 VAC, 50/60 Hz
Max. power consumption: 120 VA

Qualité d’échantillon: Maximum particle size 500 µm, < 0.1 g/L
Most applications require the use of an EZ9130 sampling/filtration system.

Rinçage: With tap water

Sorties analogiques: Active 4 - 20 mA max. 500 Ohm load, standard 1, max. 8 (option)

Sorties numériques: Optional: Modbus (TCP/IP, RS485)

Température ambiante: 10 - 30 °C ±4 °C deviation at 5 - 95% relative humidity (non-condensing)

Température de l'échantillon: 10 - 30 °C

Validation: Automatic; frequency freely programmable