Section 3 Operation; Measuring Temperature; Optical Field Of View; Location Of Emissivity & Alarm Adjust And Alarm Switch - Omega OS137 SERIES User Manual

Operation
3
SECTION 3 – OPERATION
3.1 – Measuring Temperature
Before starting to measure temperature, make sure the following check list is met:
3
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.
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.
Make sure the output load is within the product specification.
0
1.75"
0.65"@0"
1.6 cm@0
0
* SPOT DIAMETER MEASURED AT 90% ENERGY
Figure 3-1. Optical Field of View
0.70
0.60
0.50
1
ALARM
SWITCH
1- REAL TIME
2- ALARM POSITION
Figure 3-2. Location of Emissivity & Alarm Adjust and Alarm Switch
DISTANCE: SENSOR TO OBJECT (FT)
1 2 4
5.5"
3.0"
D:S = 10:1
5.6
9.6
13.6
40 80 210
DISTANCE: SENSOR TO OBJECT (CM)
EMISSIVITY
0.80
ADJUST
0.90
1.00
2
ALARM
REMOVE THE SCREW TO PULL OUT
ADJUST
THE END CAP. THE EMISSIVITY AND
ALARM ADJUST & ALARM SWITCH ARE
LOCATED ON THE MAIN PC BOARD.
6
10.2"
7.8"
17.6
21.6
26
160
200
END CAP
8
244