![background image](http://html1.mh-extra.com/html/omega/os4000-series/os4000-series_user-manual_4129895013.webp)
• Press the
key on the back plate to turn on the laser beam. The laser
power red LED indicator will turn on. The laser beam is projected through the
lens probe. The laser spot represents the optical envelop of the lens probe field
of view. Align & position the lens probe for the proper spot size & distance.
Move the lens probe forward or back until the laser projection is in focus.
Figure 12 shows a typical laser projection through the lens.
• The lens probe is now positioned properly. Press the
key again to turn off
the laser beam. The laser power indicator LED will turn off.
• Disconnect the fiber optic cable from the Laser sighting port of the transmitter
and connect to the temperature port for normal temperature measurement.
• Monitor the analog output for temperature measurement.
Power/ Output Cable Wire
Connection
Red
+ Power Input
Black
- Power Input (Common Ground)
White
+ Analog Output
Green
- Analog Output (Common Ground)
Yellow
High Alarm 12V Output
Blue
Low Alarm 12V Output
Shield
Earth Ground
DB9 – Pin 2
RX to the PC
DB9 – Pin 3
TX to the PC
DB9 – Pin 5
Common Ground to the PC
Table 1- Wiring connections for the OS4000 Fiber Optic Transmitter<None>
Figure 12. Typical Laser Projection Through the Lens Which Represents the Optical
Field of View of the Lens Probe
SET
LASER
SET
LASER
2-6
Installation - Laser Sighting
2
LENS PROBE
TARGET
SURFACE
LASER
PROJECTION
LASER SPOT
IN FOCUS