Web计数功效 50% @ 0.3μm; 100% @ 微粒 > 0.45μm （每 jis b 9921 和 iso 21501-4） 光源 激光二极管平均寿命＞20年mttf激光寿命@0.5um 零计数度 ＜1计数 5分钟 浓度限制 400,000微粒立方英尺(14,120,000立方米) @10%重叠损失,符合iso 1到8级洁净室标准 校准 符合iso 21501-4校准标注 WebISO 21501-4 was prepared by Technical Committee ISO/TC 24, Sieves, sieving and other sizing methods, Subcommittee SC 4, Sizing by methods other than sieving. This first edition of ISO 21501-4, together with ISO 21501-2 and ISO 21501-3, cancels and replaces. ISO 13323-1:2000, which has been technically revised.
気中浮遊粒⼦のモニタリング：ISO21501-4校正のインパクト
http://jamedoorla.qy6.com/getprod1083411.html WebThis part of ISO 21501 describes a calibration and verification method for a light scattering airborne particle counter (LSAPC), which is used to measure the size and particle … how to stop a cheque halifax
ISO 21501-4:2007
WebThis part of ISO 21501 specifies characteristics of a light scattering aerosol spectrometer (LSAS) which is used for measuring the size, number concentration and number/size distribution of particles suspended in a gas. The light scattering technique described in this part of ISO 21501 is based upon single particle measurements. The size range ... WebMar 29, 2016 · ISO 21501–4 requires the use of a PHA to determine the particle distribution of three different calibration particles that span the range of particle sizing. During instrument design, PMS develops a particle … Web计数功效 50% @ 0.3μm; 100% @ 微粒 > 0.45μm （每 jis b 9921 和 iso 21501-4） 光源 激光二极管平均寿命＞20年mttf激光寿命@0.5um 零计数度 ＜1计数 5分钟 浓度限制 400,000微粒立方英尺(14,120,000立方米) @10%重叠损失,符合iso 1到8级洁净室标准 校准 符合iso 21501-4校准标注 react to michael afton gacha