Nanoparticle counter for ambient air monitoring with Nafion® aerosol dryer (optional) and high volume flow for up to 2 • 106 particles/cm3 (single count mode)
Benefits
Description
Application
Benefits
The unique, patented way of providing the working fluid for unattended operation of months
Depending on the sensor used (exchangeable by the user), the ENVI-CPC counts up to 2,000,000 particles/cm3 in count mode
Ambient air monitoring without dilution system
Integrated computer with 7” touch screen
Intuitive user interface with sophisticated software for data evaluation
Integrated data logger
Limitless integrated network connectivity that supports remote operation and data storage in the internet
Powerful software package
Description
The Palas® condensation particle counter ENVI-CPC 200 is a CPC for environmental ambient air monitoring. Model 200 is appropriate for high concentrations and offers single particle counting up to 2,000,000 particles/cm3. It can be used for ambient air monitoring without a dilution system.
The ENVI-CPC 200 can be equipped with an isothermal Nafion®
aerosol dryer that has no consumables and can be used for months without
maintenance. The humidity of the aerosol at the inlet is measured and
controlled. Additionally, it has a second pump for the working fluid in
order to suck it out of a large butanol reservoir. Due to those features
it can operate for months without refilling the fluid reservoir.
The cut-off diameter is, as requested for ambient air monitoring
CPCs, at 7 nm. Another advantage is the high aerosol flow rate of 1
l/min which reduces diffusion losses to a minimum. The ENVI-CPC 200 can
be equipped with a powerful meteorological sensor that monitors ambient
air temperature, pressure, humidity, wind speed, wind direction and
precipitation type and intensity. A protective outdoor housing is
available.
Fig. 1: Counting efficiency curve of the ENVI-CPC measured at the Leibniz Institute for Tropospheric Research
The control of the volume flow is enabled by an internal flow
sensor with accessed long-life membrane pump. Contrary to a control with
critical nozzle a contamination of the system does not lead to an drop
of the volume flow. This is important especially for long-time
measurements in ambient air. Additionally, the volume flow can be
calibrated afterwards by the user.
As user interface the ENVI-CPC 200 has a 7“ touch display. For remote
and network applications the ENVI-CPC 200 supports a standardised
interface with different protocol choices, e.g. Modbus, Bayern-Hessen
protocol and features like remote access and data storage in the
internet or in an internal network.
Application
Aerosol research
Environmental measurements
Evironmental monitoring networks
Workplace safety and exposure studies
Traffic emission monitoring
Health Studies
Mobile aerosol studies
To enquire about the ENVI-CPC 200 ENVI-CPC system and the options available contact us now.
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