Description
Johnson Controls A99BB-600 PTC Silicon Temperature Sensor Overview
The Johnson Controls A99BB-600 is a precision PTC (Positive Temperature Coefficient) silicon temperature sensor designed for dependable temperature measurement in a wide range of HVAC and building automation applications. With a generous 19½-foot PVC-jacketed cable and a broad sensing range of -40°F to 212°F (-40°C to 100°C), this sensor delivers the flexibility and accuracy required for demanding commercial and residential installations.
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)
- 19½-foot (approximately 5.9 m) PVC-jacketed cable for flexible installation reach
- Durable PVC cable construction suited for typical HVAC environments
- Compatible with Johnson Controls and other building automation controllers that accept PTC silicon sensors
- Compact sensor design for easy mounting and integration
Applications
- Duct air temperature sensing
- Return and supply air monitoring
- Hydronic system temperature measurement
- Building automation and energy management systems
- Commercial and light industrial HVAC controls
Product Specifications
- SKU / Part Number: A99BB-600
- Brand: Johnson Controls
- Sensor Type: PTC Silicon
- Cable Type: PVC
- Cable Length: 19½ ft (approximately 5.9 m)
- Temperature Range: -40°F to 212°F (-40°C to 100°C)







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