Alarm:
1 x malfunctioning, 4 x user-configurable, max. 24 VDC/0.5 A, potential free contacts
Analogové výstupy:
Active 4 - 20 mA max. 500 Ohm load, standard 1, max. 8 (option)
Certifikace:
CE compliant / ETL certified
Demineralised water:
N.A.
Digitální výstupy:
Optional: Modbus (TCP/IP, RS485)
Doba cyklu :
10 - 15 minutes
Earth connection:
Dry and clean earth pole with low impedance (< 1 Ohm) using an earth cable of > 2.5 mm²
Hmotnost:
25 kg
Instrument air:
Dry and oil free according to ISA-S7.0.01-1996 quality standard for instrument air
Interference :
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.
Jaký je obsah balení:
EZ7250 VFA & Alkalinity Analyser, Instruction Manual, 1 x Double Bit Door Key, 1 x Mounting Brackets, 1 x pH Electrode, Routine S7 Connection, 1 x empty 2.5L Reagent Container with Fittings (Anti-foam Solution) and 2 x empty 10L Reagent Containers with Fittings (H₂SO₄ & NaOH Solution)
Kalibrace:
Automatic; frequency freely programmable
Materiál:
Hinged part: Thermoform ABS, door: PMMA
Wall section: Galvanised steel, powder coated
Metoda:
Titrimetric
Metoda měření:
Acid-base titration
Mez detekce:
≤ 10 mg/L
Napájení:
100 - 240 VAC, 50/60 Hz
Max. power consumption: 120 VA
Odtok:
Atmospheric pressure, vented, min. Ø 32 mm
Okolní teplota:
10 - 30 °C ±4 °C deviation at 5 - 95% relative humidity (non-condensing)
Parametr:
Volatile fatty acids (VFAs), total alkalinity
Počet proudů vzorku:
1, 2, or 4
Požadavky na vzorek:
Maximum particle size 500 µm, < 0.1 g/L
Most applications require the use of an EZ9130 sampling/filtration system.
Přesnost:
Better than 3% full scale range for standard test solutions
Průtoková rychlost:
100 - 300 mL/min
Reagent Requirements:
Keep between 10 - 30 °C
Rinsing:
With tap water
Rozměry (V x Š x H):
690 mm x 465 mm x 330 mm
Rozsah měření:
VFA: 10‐500 mg/L , Total Alk: 50 - 2500 mg/L
VFAs 10 - 500 mg/L as acetate equivalent;
Alkalinity, total and Alkalinity, 50 - 2500 mg/L as CaCO₃
Teplota vzorku:
10 - 30 °C
Tlak vzorku:
By external overflow vessel
Třída ochrany:
Analyser cabinet: IP44 / Panel PC: IP65
Validation:
Automatic; frequency freely programmable
Záruka:
24 měsíců