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Met One 237 A/B Portable Air Particle Counters
This product is now obsolete.
MET ONE 237A and MET ONE 237B portable air particle counters are rugged, simple to use and light. With an inbuilt battery and integral printer the MET ONE 237 Series is ideal for monitoring large cleanrooms in addition to more demanding controlled environments such as LAF workstations, hospital pharmacies, and aerospace applications.
Met One offers battery-operated portability,
up to six size channels and a built-in printerall
in one simple, compact instrument. The
Met One 237 counts airborne particles in up to
six different size ranges simultaneously. Count
data is displayed on the front-panel as total
number of particles (cumulative count) or the
particles in each size range (differential count).
The bright LED display lets you see the data
easily and the printout shows cumulative and
differential count data for each size range.
The Met One 237 offers four modes to provide quick answers to
measurement questions and allow unattended operation:
 Manual mode: Completes one count cycle then turns
the air pump off to prolong battery life.
Auto mode: Repeats the count cycle for the number of cycles
programmed to allow unattended monitoring.
Concentration mode: Estimates the particle concentration
within seconds.
Beep mode: Provides one beep after the count exceeds a selected
limit, which is useful for isolating sources of particle contamination
such as leaks in filter banks.
It is easy to carry the Met One 237 counter right to the point of interest
and obtain quick, accurate results that you can immediately print or
download using PortAll™ Version 2 Software. Additionally, particle count
data can be organized, archived and graphically trended. This easy-touse
software can also be used to schedule the collection of samples by
the air particle counter. A battery charge life of up to 8 hours ensures
true portability and sample collection flexibility.
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Features
AC or battery operation; print count results
0.3 μm (237B) or 0.5 μm (237A) at 0.1 cfm (2.83 LPM) flow rate
2 to 6 size channels
4 counting modes
Use with PortAll™ Version 2 software
Applications
Monitor and verify cleanrooms
Test filters in place
Investigate particle sources
Monitor Laminar Air F low (LAF), biohazard benches, cleanroom
laundries, HVAC systems, computer rooms, food and beverage
packaging, hospital pharmacies, surgery rooms, Indoor Air
Quality (IAQ), aerospace assembly, medical device assembly,
automotive paint spray booths
Data Sheet
Manual
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Met One is now known as Beckman Coulter.
Please note - Product designs and specifications are subject to change without notice. The user is responsible for determining the suitability of this product.
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