Analoga utgångar:
Active 4 - 20 mA max. 500 Ohm load, standard 1, max. 8 (option)
Antal provströmmar:
1, 2, or 4
Certifieringar :
CE compliant / ETL certified
Cykeltid:
10 - 15 minutes
Demineralised water:
N.A.
Detektionsgräns:
≤ 10 mg/L
Digital outputs:
Optional: Modbus (TCP/IP, RS485)
Dimension (H x B x D):
690 mm x 465 mm x 330 mm
Dränering:
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
Garanti :
24 månader
Instrument air:
Dry and oil free according to ISA-S7.0.01-1996 quality standard for instrument air
Kalibrering:
Automatic; frequency freely programmable
Larm:
1 x malfunctioning, 4 x user-configurable, max. 24 VDC/0.5 A, potential free contacts
Material:
Hinged part: Thermoform ABS, door: PMMA
Wall section: Galvanised steel, powder coated
Mätmetod:
Acid-base titration
Matningsspänning:
100 - 240 VAC, 50/60 Hz
Max. power consumption: 120 VA
Mätområde:
VFA: 100‐5000 mg/L, Total Alk: 250 - 5000 mg/L
VFAs 100 - 5000 mg/L as acetate equivalent;
Alkalinity, total and Alkalinity, partial 250 - 5000 mg/L as CaCO₃
Metodnamn:
Titrimetric
Omgivningstemperatur:
10 - 30 °C ±4 °C deviation at 5 - 95% relative humidity (non-condensing)
Parameter:
Volatile fatty acids (VFAs), total alkalinity
Precision:
Better than 3% full scale range for standard test solutions
Prov: tryck:
By external overflow vessel
Provflödeshastighet:
100 - 300 mL/min
Provkvalitet:
Maximum particle size 500 µm, < 0.1 g/L
Most applications require the use of an EZ9130 sampling/filtration system.
Provtemperatur:
10 - 30 °C
Reagent Requirements:
Keep between 10 - 30 °C
Rinsing:
With tap water
Skyddsklass:
Analyser cabinet: IP44 / Panel PC: IP65
Störningar:
Phosphates and similar dissociating ions and non-fatty acids which on acidification from undissociated acids may cause interference. Sulphide may deteriorate some types of pH electrodes. Fats, oil, proteins, surfactants and tar.
Vad ingår i leveransen:
EZ7252 VFA & Alkalinity Analyser, Instruction Manual, 1 x Double Bit Door Key, 1 x Mounting Brackets, 1 x pH Electrode, Routine S7 Connection, 2 x empty 10L Reagent Containers with Fittings (NaOH & H₂SO₄ Solution) and 1 x empty 2.5L Reagent Container with Fittings (Anti-foam Solution)
Validation:
Automatic; frequency freely programmable
Vikt :
25 kg