Ametek Land 4750-PM, User Manual

Page: 14 / 64

User Guide 2 - 2
Particulate Measurement System 4750-PM
2.2.1 Quality Assurance
Zero and Span Checks Manually initiated (on demand)
Air Purge Flow self-check
(option)
Continuously monitors the purge air feed to
detect a ‘low flow’ or ‘no flow’ condition.
E
Auditing Single-value Manual Audit Unit (MAU)
E
This feature includes an optical shield to protect the instrument’s
optics by minimizing flue gas deposition onto optical surfaces (see
Section 4.3.7).
2.2.2 Dimensional Drawings - Sensor
(a) Side view (incl. blower hose) (c) Enclosure dimensions (excl. hinges, glands)
(b) Front view (excl. blower hose) (d) Flange dimensions (rear view)