AFR200 Series, Product User Guide
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Caution: None of GAC products are flight certified controls including this item
Copyright © 2010, Governors America Corp., All Rights Reserved
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PUG4144 D
7.6.1 Application Considerations
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The exhaust temperature probe is located in the engine exhaust outlet as near as possible to the point
where all of the cylinders merge.
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Alternatively the sensor can be placed in the manifold outlet pipe.
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A weld bung or tapped hole must be used and care should be taken such that the tip of the probe is well
within the outlet exhaust flow.
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The sensor is mounted via a 1/8 in. NPT fitting as shown in the following figure. Drill and tap the
determined mounting location using the provided dimensions.
Exhaust Temperature Sensor Dimensions
Dimensions shown as in. [mm]
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If sourcing an alternate sensor the following specifications must be met:
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The sensor must be a type-K thermocouple,
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Must be ungrounded
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Temperature Range to 650°C [1200°F],
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Transition Junction / Cable to 480°C [900°F].
7.6.2 Installation Instructions
1. Apply thread sealant to the sensor.
2. Thread the sensor finger tight into the drilled / tapped location from the application considerations.
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The sensor is easily damaged so take caution when installing the sensor.
3. Once complete, turn the sensor 2 full turns past finger tight.
