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Automatic HCHO analyzer for very low concentrations.


The AL4021 is a fully automated and continuously operating formaldehyde (HCHO) analyzer for gaseous and liquid samples based on the Hantzsch reaction,
which is suitable for very low concentrations of HCHO (ppbV for gaseous samples and μg / L for liquid samples).
All functions of the AL4021 are controlled by a 7" touch screen on the front panel.
The AL4021 is easy to use, reliable and low maintenance and has a built-in HCHO source for automatic calibration (optional).
AL4021 provides accurate and reliable results in freely programmable concentration ranges.
The AL4021 can continuously store data on a USB stick.

Fields of application:
Climate and environmental research / trace gas analysis.
Online monitoring of HCHO emission / emission limit control
Process control / quality control for the chemical industry
Chamber testing of wood, plastic and fabric products with up to 12 chambers simultaneously
Measurement of indoor air quality
Substitute for wet chemistry in acetylacetone method

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Manufacturer price ca.35700€