Omega OS137 User Manual
3
Operation
3
SECTION 3 – OPERATION
3.1 – Measuring Temperature
Before starting to measure temperature, make sure the following check list is met:
The power and output connections are made (Fig 2-1).
The target is larger than the optical field of view of the transmitter (Fig 3-1).
Use the Laser Sighting accessory (optional), to align the transmitter to the
center of the target area.
center of the target area.
Remove the End Cap to get to the Emissivity Single Turn Pot (Fig. 3-2). Set
the Emissivity Pot based on the target surface. Then put back the End Cap.
the Emissivity Pot based on the target surface. Then put back the End Cap.
Make sure the output load is within the product specification.
Figure 3-1. Optical Field of View
Figure 3-2. Location of Emissivity & Alarm Adjust and Alarm Switch
SPOT DIA.* (CM)
SPOT DIA.* (IN)
DISTANCE: SENSOR TO OBJECT (FT)
D:S = 10:1
1.6 cm@0
0
40
5.6
80
9.6
210
13.6
160
17.6
200
21.6
244
26
0.65"@0"
3.0"
1.75"
5.5"
7.8"
10.2"
8
6
4
2
1
0
DISTANCE: SENSOR TO OBJECT (CM)
* SPOT DIAMETER MEASURED AT 90% ENERGY
ALARM
SWITCH
1- REAL TIME
2- ALARM POSITION
ALARM
ADJUST
EMISSIVITY
ADJUST
ADJUST
REMOVE THE SCREW TO PULL OUT
THE END CAP. THE EMISSIVITY AND
ALARM ADJUST & ALARM SWITCH ARE
LOCATED ON THE MAIN PC BOARD.
END CAP
12
1.00
0.70
0.60
0.90
0.80
0.50