Bapi BA/10K-2-H200-D-BB2 Duct Humidity Transmitter

Product Description

The BAPI BA/10K-2-H200-D-BB2 is a combination humidity transmitter and temperature sensor designed for duct-mount installation in commercial and industrial HVAC systems. It pairs a 10K Type 2 thermistor with a 2% accuracy humidity sensing element, delivering dual measurements from a single device. The output is field-selectable between 0 to 5 VDC and 4 to 20 mA, allowing integration with a wide range of building automation and direct digital control systems. Power requirements are 24 VAC or 24 VDC. The housing is rated NEMA 4 and constructed of poly material, suitable for use in demanding duct environments.

This transmitter is suited for applications requiring precise humidity and temperature monitoring in commercial ductwork. Typical use cases include humidification and dehumidification control, supply air, discharge air, and return air monitoring, as well as economizer control. It is also appropriate for clean rooms, data centers, process control environments, schools, hospitals, and office buildings where maintaining accurate humidity levels is critical. The BAPI Box 2 enclosure houses all components in a compact, duct-penetrating assembly that licensed HVAC and controls technicians install as part of a broader BAS or DDC installation.

Key Features

• 2% humidity accuracy for reliable humidification and dehumidification control
• Interchangeable output: field-selectable 0 to 5 VDC or 4 to 20 mA without additional hardware
• Integrated 10K Type 2 thermistor provides simultaneous temperature sensing
• NEMA 4 rated poly enclosure withstands demanding duct conditions
• Operates on 24 VAC or 24 VDC power supply for broad system compatibility
• Duct-mount configuration suits supply, return, and discharge air applications

Compatibility

Designed as a duct-mount OEM-style humidity and temperature transmitter compatible with building automation and DDC systems that accept 0 to 5 VDC or 4 to 20 mA analog inputs and supply 24 VAC or 24 VDC power.

Installation Notes

Installation should be performed by a licensed HVAC controls technician in accordance with applicable mechanical and electrical codes. Power down the air handling unit and de-energize the control circuit before inserting the probe into the duct and making wiring connections. Verify the output signal type is set to match the BAS or DDC input card configuration before applying power. Confirm duct penetration sealing meets local code requirements to prevent air leakage around the sensor housing.

Technical Specifications

• Humidity Accuracy: 2%
• Sensor Element: 10K Type 2 Thermistor
• Output Signal: 0 to 5 VDC or 4 to 20 mA (field-selectable)
• Power Requirements: 24 VAC or 24 VDC
• Enclosure Rating: NEMA 4
• Housing Material: Poly
• Mount Type: Duct
• Applications: Humidification, Dehumidification, Supply Air, Discharge Air, Return Air, Economizers, Clean Rooms, Data Centers, Process Control, Schools, Hospitals, Office Buildings

Standard Information

• Brand: BAPI
• Manufacturer Part Number: BA/10K-2-H200-D-BB2