TSI Instruments Aerotrak 9303 - Page 80

4-20 AeroTrak
®
Handheld and Remote Airborne Particle Counters
5. Connect DVM across TP2 & TP5 on detector board. Set DVM to volts
DC. This will be used to measure the laser current (voltage across a
1 ohm resistor). Example: 0.075 volts = 75 mA.
6. Turn the potentiometer on the detector board counterclockwise
approximately five (5) turns.
7. Remove the two Phillips head screws holding the laser board
in place.
TP2
TP5
Remove screws