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Air-Cooled Method 5 Probes

Air-cooled Method 5 Probes up to 8 feet in length, applicable for high-temperature sources. Concentric tubular design allows the cooling air to return and exhaust out of the stack. A variable-speed high-capacity blower is needed for cooling.

Order blower separately.
Order probe heater separately, if necessary.

Probe Construction

Outer sheath: 253MA
Middle sheath: stainless steel
Inner sheath: 253MA
Liner, pitot tubes, thermocouple, nozzle union, and Orsat: alloy 600
Welded nut and small parts (PK-ISP)
Method 5 Air-Cooled Probes now come standard with modular alloy 600 pitots and reducing union.

For custom probe configurations, use the Part Number Configuration Legend and have your custom part number ready when you contact an Apex Instruments sales representative.

Popular Air-Cooled Probe Lengths

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Description
4-foot air-cooled probe sheath, combination of 253MA, alloy...
5-foot air-cooled probe sheath, combination of 253MA, alloy...
6-foot air-cooled probe sheath, combination of 253MA, alloy...
7-foot air-cooled probe sheath, combination of 253MA, alloy...
8-foot air-cooled probe sheath, combination of 253MA, alloy...

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