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Model OT-2 System Operation 3
3-5
Teledyne Analytical Instruments
Figure 3-3 Front View of Transmitter
System Power Requirements:
The Model OT-2 System requires a 12 VDC (nominal), reverse
polarity protected power source.
Observe good wiring practices. For hazardous area
applications, the Model OT-2 System must be pow-
ered by a source that is consistent with intrinsically
safe operation.
Analog Outputs:
1-5 VDC: Voltage increases linearly with increasing oxygen,
from 1 VDC at 0 ppm to 5 VDC at full scale ppm.
Figure 3-4: Transmitter Electrical Connections
Display
Span
Transmitter Cover
Screws
(
4
p
laces
)
Electrical
Connections
To Sensor