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> Met one laser particle counter 237A
Met one laser particle counter 237A
/particlecounters/model_237a.htm
THE ABOVE LINK HAS ALL THE INFORMATION
THIS WAS USED IN A CLEAN ENVIRONMENT AT THE DELPHI PLANT IN TEXAS
IT IS IN MINT CONDITION AND WORKS GREAT
237A 2 ch 0.5, 5.0; 4 ch 0.5, 0.7, 1.0, 5.0; 5 ch 0.5, 0.7, 1.0, 2.0, 5.0; 6 ch 0.5, 0.7, 1.0, 2.0, 3.0, 5.0
Light Source: Laser diode (30,000 hours mean time between failure)
Factory Calibration: Mono-dispersed polystyrene spheres (NIST traceable)
Output: RS232C/RS485 for computer, built-in printer
Location Labels: 250, appear on printout
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)
Power: AC adapter or internal battery pack
Battery Type: Rechargeable NiCd
Battery Recharge Time: 90% in 10 hours; 100% in 12 hours
Operating Time: 4 hours with printing, 8 hours without printing, typical
Size: 6.7" wide x 4.5" high x 11.7" deep (17 x 12 x 30 cm)
Environment Operating: 12 to 29 C (55 to 84 F), 20 to 95% relative humidity, non-condensing
Storage: -40 to 70 C (-40 to 160 F), up to 98% relative humidity, non-condensing
