WTW Alyza IQ NH4 Analyzer for Ammonium

Maximise data and minimise maintenance and reagent consumption with the Alyza IQ.  With reagent consumption of less than 1ml per day, WTW’s Alyza IQ will help you minimise your costs whilst protecting the environment.  Part of the IQ SENSORNET family.

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  • Specifications
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High accuracy even at low concentrations

The latest addition to the IQ SensorNet family, the Alyza IQ wet chemistry analyser uses revolutionary technology to help you deliver the results needed, while drastically reducing downtime for maintenance, regent usage and waste production.

Alyza IQ’s revolutionary tech means high accuracy at low range with low reagent consumption and low maintenance.

Just a few drops of reagent required

Are your reagent costs giving you nightmares? Not anymore! The reagent consumption of the new WTW Alyza IQ is less than 1ml per day. Minimise your costs whilst protecting the environment.

The Wet Chemistry revolution is now

With WTW designed disruptive technology at the heart of the new Alyza IQ range, extremely accurate and reliable measurement results have been realized with extremely low reagent use, maintenance and downtime.  


The revolutionary Multiport Valve in the Alyza IQ range enables true 'Plug and Play' operation at any level of experience. The unique technology developed minimizes both the number of spare parts and the downtime needed to replace.  Easy and safe reagent replacement with no-drip reagent pouches. Fully integrated with IQ SENSOR NET - Take advantage of the complete flexibility of the IQ Sensor Net with Alyza IQ.

The Alyza IQ overview:

  • High accuracy even at low concentrations
  • Minimal maintenance
  • Extremely low reagent consumption
  • An IQ SensorNet sensor
  • Outdoor ready with low cost installation
  • 1- and 2-channel versions available
  • Safe exchange of chemicals
  • Intuitive user interface
  • Comprehensive self-diagnostics


  • 24/7 reliable and accurate measurement
  • Low operational costs
  • Extremely low maintenance
  • Easy to use

Ammonium measurement with Alyza IQ NH4

Indophenol method according to DIN 38 406

Wastewater treatment plant effluent monitoring

  • High measuring accuracies even at low concentrations
  • Easy handling due to optimized user interface
  • Increased employee protection by safe exchange of reagents

River monitoring

  • Long lifetime of reagents due to minimum consumption
  • Minimal maintenance effort reduces work and travel times
  • Full remote access via IQ Web Connect, at any time

Model Alyza IQ NH4
Measuring method Berthelot method (Indophenol method)
Measuring range Every instrument equipped with 2 measuring ranges
MR1: 0.02 … 5.00 mg/l NH4-N
Displayed: 0.00 … 5.00 mg/l NH4-N
Resolution: 0.01 mg/l NH4-N
Accuracy: ±2 %, ±0.02 mg/l
MR2: 0.10 … 20.00 mg/l NH4-N
Displayed: 0.00 … 20.00 mg/l NH4-N
Resolution: 0.01 mg/l NH4-N
Accuracy: ±3 %, ±0.10 mg/l
Sample streams/channels 1- and 2-channel versions available
Cleaning Automatic cleaning with cleaning solutions
Calibration Automatic 1- and 2-point calibrations
Operational temperature -20 ... +40 °C