DUCT UNITS
Temperature Sensors

• Mounting Tabs for Easy Installation
• Probe Lengths: 2", 4”, 8”, 12” and 18”
• Series 304 Stainless Steel Probes
• Double Encapsulated Sensors
• Medical-Grade Foam Padding
• Etched Teflon Leadwires
• Several Enclosure Styles
• Wide Selection of Temperature Sensing Elements
• Limited Lifetime Warranty

Single Point Duct Units feature medical-grade closed cell foam to seal the probe insertion hole and to absorb vibration. Mounting tabs allow for easy installation directly to the wall of the duct. All Duct Units have etched Teflon leadwires and double encapsulated sensors to create a watertight package that can withstand high humidity and condensation and perform under real world conditions. Duct Units have probe lengths from 4” to 18” to accommodate most duct shapes and sizes. Custom probe lengths are also available.

Enclosure Styles
Duct Units come standard with a 2”x4” steel J-Box but are also available with no box or three styles of enclosure: Weatherproof (WP), Weather Tight (EU) or BAPI-Box (BB). The metal WP enclosure carries a NEMA 3R rating, while the ABS polymer EU carries an IP66 rating and is available in a UV-resistant material (EUO). The BAPI-Box (BB) is made of UV-resistant polycarbonate and carries an IP66 rating. BAPI also offers optional liquid-tight fittings. Click here for a comparison of BAPI's enclosure styles.

Datasheets (PDF) Duct Unit Datasheet with ordering grid List Pricing (PDF) Duct Unit List Pricing

Installation and Operation Sheets (PDF) Duct Unit with Thermistor or RTD Sensor Duct Unit with Temperature Transmitter Duct Unit with 592 Semiconductor Sensor Duct Unit with LM334 Semiconductor Sensor

VISIO Files (2002 version) Half Scale Duct Sensor VISIO File (2.5 Meg) Full Scale Duct Sensor VISIO File with Wiring Connections (21 Meg) VISIO Files (2003 version) Half Scale Duct Sensor VISIO File (300K) Full Scale Duct Sensor VISIO File with Wiring Connections (1.3 Meg)

For detailed specifications on the individual Sensors & Transmitters, see Sensor Specs.

*Some items may not be CE compliant, call BAPI for additional information.

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BAPI Sealant Filled Connectors Our Sealant Filled Connectors contain a moisture-excluding sealant which encapsulates the electrical connection and adds an extra layer of protection against moisture and oxidation. For more info, see the Accessories Section.

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Hex Head & Pan Head Screws & Wall Anchors These 1.5” stainless steel #10 screws and nylon wall mounting anchors are used to attach the BAPI-Box or BAPI-Guards to drywall, sheet metal, wood or concrete walls. The screws and anchors are sold in packs of 100.