Description
Johnson Controls A99BB-500 PTC Silicon Temperature Sensor
The Johnson Controls A99BB-500 is a Positive Temperature Coefficient (PTC) silicon temperature sensor engineered for accurate, reliable temperature measurement across a broad range of HVAC and building automation applications. With a rugged PVC-jacketed cable and a wide operating temperature range, this sensor is a dependable choice for commercial and residential system integration.
Key Features
- PTC silicon sensing element for accurate, stable temperature measurement
- Wide temperature sensing range: -40°F to 212°F (-40°C to 100°C)
- 16-3/8″ (approximately 5 m) PVC-jacketed cable for flexible installation
- Durable construction suitable for demanding HVAC environments
- Compatible with Johnson Controls building automation and control systems
Specifications
- SKU / Part Number: A99BB-500
- Brand: Johnson Controls
- Sensor Type: PTC Silicon
- Cable Jacket Material: PVC
- Cable Length: 16-3/8 inches
- Temperature Range: -40°F to 212°F (-40°C to 100°C)
Applications
- HVAC air handling and duct temperature sensing
- Building automation and energy management systems
- Hydronic heating and cooling systems
- Commercial refrigeration and process temperature monitoring







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