Page:NIOSH Manual of Analytical Methods - Chapter G.pdf/5

 5. INSTRUMENTS

a.

Model RAM-1 Features: Active sampling, with 10-mm nylon cyclone, reference scatterer built in, zero air built in, clean air protection for optics, several time constants for output, dehumidifier available, permissible for explosive atmospheres (optional).

Model MINIRAM Features: Passive sampling, with active sampling attachments (optional) that need a separate pump, automatically calculates running and shift average concentrations, permissible for explosive atmospheres, zero air attachment (optional).

b.

Model P-5 Features: Active sampling, labyrinth classifier on inlet, integrating or continuous readout, several measurement periods.

Model PCD-1 Features: Active sampling, respirable dust inlet, programmable parameters include sampling period/alarm concentration/calibration factors, data acquisition built in.

Model PDS-1 Features: readout unit or data logger. Passive sampling, allows personal monitoring, requires separate

c.

Model HAM Features: Passive sampling, active sampling attachments (optional), zero air attachment, reference scatterer attachment.

Model Personal Aerosol Monitor Features: Passive sampling, zero air attachment, reference scatterer attachment.

d.

Model LD-1 Features: Active sampling, laser light source, 10- or 7-micrometer cut impactor classifier built in, analog and digital readout, one-minute or operator-selected measurement period, reference scatterer, zero air attachment.

e.

Portable Dust Monitor Features: Active sampling, laser diode light source, optional cyclone for respirable sampling, pulse height analyzer for particle sizing information, data logger built in, filter for reference mass built in. 1/15/98