2-20 AeroTrak
®
Handheld and Remote Airborne Particle Counters
La s e r Rep l a c ement
C A U T I O N
Laser replacement needs to be done in an ESD controlled environment
with a minimum of one ESD table mat and a wrist strap connected to
the installer.
NOTICE
Before replacing the laser, check the revision on the detector PCA
(6001939). If the detector PCA is revision E or older, order a
replacement which is revision F or newer.
1. Follow the
disassembly
instructions to
remove the
optics block
from the
chassis.
2. Reconnect the
main board to
the optics block
along with the
keypad to the
main board.
This will allow
you to power up
the laser for
setup. Do not
apply power to
the unit at
this time.
C A U T I O N
The electronic circuits within this instrument are susceptible to
electro-static discharge (ESD) damage. Use ESD precautions to
avoid damage.
• Use only a table top with a grounded conducting surface.
• Wear a grounded, static-discharging wrist strap.