IQ SensorNet Alyza Analyzer NH4

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Meet Alyza!

YSI’s new IQ SensorNet Analyzer for Ammonium provides accurate, reliable measurements for process control. The IQ Analyzer features a revolutionary MultiValve that dramatically reduces reagent use and maintenance requirements.

  • Overview

    The Alyza IQ NH4 is an online, cabinet-style analyzer used for continuous monitoring of ammonium in a municipal water resource recovery facility. This analyzer is weatherproof and can be deployed anywhere in the wastewater treatment process. Applications include monitoring biological tanks to help control ammonium-based aeration control and plant effluent locations to ensure compliance. An innovative MultiValve within the analyzer significantly reduces reagent use to 15 µL per measurement decreasing the analyzer’s regular maintenance requirements. The analyzer is available as a single-channel or two-channel instrument allowing you to sample from two different locations. The IQ Analyzer can be used as a stand-alone analyzer or be incorporated into an IQ SensorNet network of sensors. The IQ Analyzer provides accurate measurements with minimal maintenance requirements.

    IQ Analyzer NH4 offers:

    • Reliable, accurate measurements at low measurement concentrations
    • Extremely low reagent consumption, 15 µL per measurement
    • Automatic calibration, 1 or 2 point
    • Automatic cleaning, lowering maintenance requirements
    • Serviceable – safe and easy replacement of reagents, no need for expensive service contracts
    • One or two channel versions available
    • Reliable sample delivery pump built into the cabinet
    • Uses Indophenol method of detection
    • Filtration unit allows analyzer to process samples with solids concentrations up to 6,000 mg/L

    Applications include:

    • Ammonia-based aeration monitoring and control
    • Effluent monitoring to ensure compliance

  • Specifications

    MR1: ± 3 %, ± 0.02 mg/l

    MR2: ± 3 %, ± 0.10 mg/l

    Calibration Automatic 1- and 2-point calibrations
    Cleaning Automatic cleaning with cleaning solutions
    Connectivity / Communications interfaces via IQ Sensor Net-components, relays, Modbus TCP, analog outputs

    30.5 x 26.6 x 17.5 in.

    Dissolved Solids Limit < 6 g/L (before filtration)
    Equipment used with IQ SensorNet 2020 3G Controller, 282/284 Controller
    Languages English, German
    Measurement Method Indophenol method
    Measurement Range

    MR1: 0.02 to 5.00 mg/l NH4-N

    MR2: 0.10 to 20.00 mg/l NH4-N

    Operating Temperature -4 to 104 °F (-20 to +40) °C
    Parameters Measured


    Power 120 VAC / 240 VAC, 50/60 Hz
    Reagent Use

    15 µL per measurement


    MR1: 0.01 mg/l NH4-N

    MR2: 0.05 mg/l NH4-N

    Sample Streams/Channels 1- and 2-channel versions available

    2 Years

    Weight 81.6 lbs (37 kg) (without liquids)

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