Hach

EZ Series Arsenic Analysers

The EZ Series Online Analysers offer multiple options to monitor Arsenic in water. Typical applications are drinking water and surface water.

Weight25 kg
Flow Rate100 - 300 mL/min
Alarm1 x malfunctioning, 4 x user-configurable, max. 24 VDC/0.5 A, potential free contacts
Analog outputsActive 4 - 20 mA max. 500 Ohm load, standard 1, max. 8 (option)
Dimensions (H x W x D)690 mm x 465 mm x 330 mm
Instrument airDry and oil free according to ISA-S7.0.01-1996 quality standard for instrument air
Digital outputsOptional: Modbus (TCP/IP, RS485)
VerificationAutomatic; frequency freely programmable
AccuracyBetter than 5% full scale range for standard test solutions
DrenajAtmospheric pressure, vented, min. Ø 32 mm
Warranty24 aylar
InterferencesIodide, organic matter, copper Cu(II) > 30 µg/L, iron Fe(III) >20 mg/L, various metals in mg/L levels may interfere. Fats, oil, proteins, surfactants and tar.
CalibrationAutomatic, 2-point; frequency freely programmable
Protection classAnalyser cabinet: IP44 / Panel PC: IP65
MalzemeHinged part: Thermoform ABS, door: PMMA Wall section: Galvanised steel, powder coated
Number of sample streams1, 2, or 4
Sample pressureBy external overflow vessel
Sample qualityMaximum particle size 100 µm, < 0.1 g/L; Turbidity < 50 NTU
Sample temperature10 - 30 °C
Measurement methodStripping voltammetry using gold electrode
Ambient temperature10 - 30 °C ±4 °C deviation at 5 - 95% relative humidity (non-condensing)
Automatic cleaningEvet
Reagent requirementKeep between 10 - 30 °C
Detection limit≤ 1 µg/L
CertificationsCE compliant / ETL certified
Earth connectionDry and clean earth pole with low impedance (< 1 Ohm) using an earth cable of > 2.5 mm²

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