Please note that this Laboratory Service Request is now "CLOSED". However, Contract Laboratory receives new Service Requests often so please visit us again. If you require additional assistance on submitting responses, please contact us at 1-855-377-6821 or email us.
01/18/2010
Select Urgency
Calibration, Maintenance, and Repair
"Calibration Laboratory needed for repair or calibration of PMS Lasair-210 Particle counters and one Lasair-110. All of which were running good and calibrated. I have one spare 210 unit for parts as well. The manufacturer no longer supports in any way these units. . RECEIVED SIZING PARTICLES AT ONE-THIRD OF ACTUAL SIZE. REPLACED PRECISION RESISTOR ON THE PHOTODETECTOR MODULE AND ADJUSTED OFFSET VOLTAGE TO PREVENT FALSE COUNTING. THIS MODEL IS NO LONGER SERVICED BY THE MANUFACTURER. AMPLIFIER CIRCUIT SERVICING THE 0.2-0.7 um CHANNELS HAS A 12.6V, 24 kHz SINE WAVE OF UNKNOWN ORIGIN WHICH PREVENTS ZERO COUNTING AND PROPER SIZING OF PARTICLES IN THAT RANGE. PARTICLES GREATER THAN 1 um SIZE CORRECTLY
""
Anywhere
If you would like to respond to our Service Requests you must be a member of Contract Laboratory. If you are interested in enrolling your laboratory please fill out our laboratory registration form and our business development team will assist you in the process.