MET ONE 237A Portable Airborne Particle Counter

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.

Channel Sizes: 2 ch; 0.5 µm, 5.0 µm – 4 ch; 0.5 µm, 0.7 µm, 1.0 µm, 5.0 µm – 5 ch; 0.5 µm, 0.7 µm, 1.0 µm, 2.0 µm, 5.0 µm – 6 ch; 0.5 µm, 0.7 µm, 1.0 µm, 2.0 µm, 3.0 µm, 5.0 µm

Flow Rate: 0.1 CFM (2.83 LPM)

Coincidence Limit: 2 million/ft3

Light Source: Laser diode

Data Storage: 500 samples, rotating buffer

Sample and Hold Times: 1 second to 24 hours

Count Alarms: 1 to 9,999,999, counts each channel

Count Modes: Manual, auto, concentration, beep

Concentration Mode: 1 second samples, 1 to 10 samples averaged, display updated every second; displays counts/ft3, liter or counts/1000L (m3)

Battery Recharge Time: 16 hours (with unit off)

Battery Operating Time: 4 hours with printing, 8 hours without printing

Dimensions (WxhXD): 170 x 120 x 300 mm

Weight: 3.1 kg