About BAPI
Founded in 1993, BAPI provides sensor solutions for customers around the globe. The innovation, manufacturing, and engineering all originate from our corporate office in Gays Mills, Wisconsin, USA.
About BAPI
Founded in 1993, BAPI provides sensor solutions for customers around the globe. The innovation, manufacturing, and engineering all originate from our corporate office in Gays Mills, Wisconsin, USA.
Regional Sales for Mexico

John Shields
Business Development and Regional Sales Manager
John Shields has been with BAPI since 2007. In January 2020 Shields was assigned one of our international Business Development & Regional Sales Manager positions, catalyzing our growth in the regions of the Middle East, Europe, Latin America and South America. Shields says, “I really enjoy getting into the details of unusual applications/projects that our customers run into in the field, as well as the long term relationship building both internally and externally.”
Outside of work, Shields is an avid supporter of Cub Scouts and Boy Scouts. It has been a very rewarding experience to support our network of scouts. Shields also enjoys projects around the house ranging from yard work to kitchen remodels to changing light bulbs.
Send John a Message
Distribution Sales for Mexico

Jon Greenwald
Distribution Accounts Lead
Jon Greenwald brings two decades of experience to the BAPI Distribution team where he serves as the team leader. Greenwald enjoys helping customers with tricky sensor applications and helping them work more efficiently.
Jon enjoys hiking, biking, home improvement projects, cooking and golf when he has the time. He also volunteers with Urban Outreach, distributing bags of food for school-age children to take home with them over the weekends.
If you’re a distributor or looking for one in North America, contact Jon to learn more about what BAPI can do for you.
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FEATURED PRODUCTS
PARTICULATE SENSORS
Ensure your air quality is… well, quality. The BAPI-Stat “Quantum” Particulate Sensor is an accurate and reliable way of continuously monitoring the concentration of particles in a room while the Duct Particulate Sensor does the same high-quality monitoring in the duct. Both feature:
- Field Selectable Particulate Size of PM1.0, PM2.5 and PM10
- Field Selectable Outputs of 0 to 5V, 0 to 10V and 4 to 20mA
- Laser-based, light scattering particle sensing with 10 year expected lifetime.
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Particulate Sensor, BAPI-Stat “Quantum” Enclosure
The BAPI-Stat “Quantum” Particulate Sensor is an accurate and reliable way of continuously monitoring the concentration of particles in a(...) Read MoreList Price Starting At: $475.00
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Particulate Sensor, Duct
The BAPI-Box Duct Particulate Sensor is an accurate and reliable way of continuously monitoring the concentration of particles in a(...) Read MoreList Price Starting At: $750.00
FEATURED PRODUCTS
PARTICULATE SENSORS
Ensure your air quality is… well, quality. The BAPI-Stat “Quantum” Particulate Sensor is an accurate and reliable way of continuously monitoring the concentration of particles in a room while the Duct Particulate Sensor does the same high-quality monitoring in the duct. Both feature:
- Field Selectable Particulate Size of PM1.0, PM2.5 and PM10
- Field Selectable Outputs of 0 to 5V, 0 to 10V and 4 to 20mA
- Laser-based, light scattering particle sensing with 10 year expected lifetime.
-
Particulate Sensor, BAPI-Stat “Quantum” Enclosure
The BAPI-Stat “Quantum” Particulate Sensor is an accurate and reliable way of continuously monitoring the concentration of particles in a(...) Read MoreList Price Starting At: $475.00
-
Particulate Sensor, Duct
The BAPI-Box Duct Particulate Sensor is an accurate and reliable way of continuously monitoring the concentration of particles in a(...) Read MoreList Price Starting At: $750.00
BAPI PRODUCTS
Application Notes
Have you ever had a ground loop problem or AC power noise in your sensor cables? BAPI has a wide variety of Application Notes available online to help solve these and many other common industry challenges. The documents also describe installation best practices and extended applications for our sensors such as using a BAPI pressure sensor to determine duct airflow in CFM.
Featured Post: Effects of Pressure on CO2 Sensors
The Effects of Temperature and Barometric Pressure on CO2 Sensors. Carbon Dioxide (CO2) in air is normally measured in Parts Per Million (ppm). At 1,000 ppm CO2, a volume or air containing more…
UPCOMING EVENTS
Calendar (sortable by region)

Use the “view all categories” drop down to select tradeshows from a specific country/region.
Next Regional Events
- 2024 AHR Expo 22nd Jan - 24th Jan 2024, in Chicago, United States.
BAPI will be exhibiting at the 2024 AHR Expo. Visit us at Booth S6015. What is the AHR Expo? The AHR Expo brings together manufacturers & suppliers of all sizes & specialties to share ideas and showcase the future of HVACR technology. It’s the industry’s best place for OEMs, engineers, contractors, facility operators, architects, educators,...
Canada, Mexico, North America, USA
- National Restaurant Association Show 2024 18th May - 21st May 2024, in Chicago, United States.
BAPI will be exhibiting at the National Restaurant Association Show 2024. Visit us at Booth 5563 in the Tech Pavilion. What is the National Restaurant Association Show? The National Restaurant Show is the must-attend event for every member of the restaurant and foodservice industry. As the world’s most influential showcase of foodservice innovation and inspiration,...
Canada, Mexico, North America, USA