Description
The Johnson Controls A99BA-200 is a high-quality PTC (Positive Temperature Coefficient) silicon temperature sensor engineered for reliable and accurate temperature measurement in commercial and industrial HVAC applications. Featuring a shielded cable that minimizes electrical interference, this sensor delivers stable signal output across a broad operating range, making it an ideal choice for building automation systems, air handling units, hydronic systems, and other temperature-sensing applications.
Key Features
- PTC silicon sensing element for accurate, linear temperature response
- Wide temperature range: -40°F to 212°F (-40°C to 100°C)
- 6-1/2 ft (6.5 ft) shielded cable for noise-resistant signal transmission
- Shielded cable construction reduces electromagnetic interference (EMI)
- Compact, durable design suitable for a variety of HVAC installations
- Compatible with Johnson Controls building automation and control systems
Product Specifications
- Brand: Johnson Controls
- Model / SKU: A99BA-200
- Sensor Type: PTC Silicon
- Temperature Range: -40°F to 212°F (-40°C to 100°C)
- Cable Length: 6-1/2 ft (approx. 1.98 m)
- Cable Type: Shielded
Typical Applications
- Building automation and energy management systems
- Air handling unit supply and return air sensing
- Hydronic heating and cooling systems
- Duct and pipe temperature monitoring
- Commercial HVAC controls integration







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