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MET ONE 237A Portable Airborne Particle Counter
The MET ONE 237A Portable Airborne Particle Counter, a second-hand device, is renowned for its exceptional portability, being battery-operated for convenience and efficiency. Designed to meet the dynamic demands of various settings, this compact instrument can simultaneously monitor particles across up to six distinct size channels. The device is equipped with an integrated printer, ensuring seamless documentation of results.
For user convenience, count data is clearly presented on the intuitive front-panel interface, available as either a cumulative sum of particles or differentiated counts within each specific size range. The bright LED display guarantees effortless readability, while the printout provides comprehensive cumulative and differential data for each channel size.
This system is capable of monitoring the following channel sizes:
- 2 channels: 0.5 µm, 5.0 µm
- 4 channels: 0.5 µm, 0.7 µm, 1.0 µm, 5.0 µm
- 5 channels: 0.5 µm, 0.7 µm, 1.0 µm, 2.0 µm, 5.0 µm
- 6 channels: 0.5 µm, 0.7 µm, 1.0 µm, 2.0 µm, 3.0 µm, 5.0 µm
Key specifications include a flow rate of 0.1 CFM (2.83 LPM), a high coincidence limit of 2 million/ft³, and a state-of-the-art laser diode light source. Its data storage capacity accommodates up to 500 samples with a rotating buffer system, capable of sample and hold times ranging from 1 second to 24 hours.
Additional features include customizable count alarms for each channel, with thresholds ranging from 1 to 9,999,999 counts. The instrument supports various count modes, including manual, auto, concentration, and beep. In concentration mode, quick sampling is achieved with durations of 1 second, allowing for 1 to 10 samples to be averaged, with real-time display updates. This mode presents data in counts/ft³, per liter, or counts/1000L (m³).
Battery performance is robust, offering 4 hours of operation with active printing and up to 8 hours without. A full recharge is achievable in 16 hours with the unit powered off. The MET ONE 237A is housed in a durable, compact form with dimensions of 170 x 120 x 300 mm and a weight of 3.1 kg. This device stands as a reliable asset for professionals requiring precise particle monitoring with comprehensive data output options.
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