Hach · EZ7900.XXXXXXXX

EZ Series Toxicity Analysers

The EZ Series Online Analysers offer an option to monitor Toxicity in wastewater. Toxicity is a non-specific parameter that allows to monitor and protect the microorganisms from toxic influences in the influent.

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
Demineralised waterN.A.
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
Power100 - 240 VAC, 50/60 Hz Max. power consumption: 120 VA
Warranty24 aylar
InterferencesN.A.
CalibrationAutomatic; standard at every analysis cycle
Protection classAnalyser cabinet: IP44 / Panel PC: IP65
What's in the boxEZ7900 Toxicity Analyser, Instruction Manual, 1 x Double Bit Door Key, 1 x Mounting Brackets and empty Containers for Reagents with Fittings
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 500 µm, < 0.1 g/L Most applications require the use of a dual EZ9110 + EZ9120 sampling/filtration system.
Sample temperature10 - 30 °C
Measuring range0 - 100 % inhibition
0 - 100 % inhibition
Measurement methodRespirometry
Measurement time10 - 15 minutes
Ambient temperature10 - 30 °C ±4 °C deviation at 5 - 95% relative humidity (non-condensing)
Automatic cleaningEvet
ParameterToxicity; respiration rate
Reagent requirementKeep between 10 - 30 °C
Detection limitN.A.
CertificationsCE compliant / ETL certified
Earth connectionDry and clean earth pole with low impedance (< 1 Ohm) using an earth cable of > 2.5 mm²

Product code: EZ7900.XXXXXXXX

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