Description
The Johnson Controls ST-R24S is a precision strap-on temperature sensor designed for reliable pipe surface temperature monitoring in commercial and residential HVAC and building automation systems. Featuring a 10k Ohm NTC (Negative Temperature Coefficient) thermistor element, this sensor delivers accurate, responsive temperature readings across a wide operating range, making it an ideal choice for hydronic systems, chilled water loops, hot water heating, and other pipe-mounted sensing applications.
Key Features
- 10k Ohm NTC thermistor sensing element for accurate, responsive temperature measurement
- Strap-on mounting design for easy installation directly onto pipe surfaces — no pipe penetration required
- Wide operating temperature range of 32°F to 221°F (0°C to 105°C)
- 2″ probe length for reliable contact with pipe surface
- Compatible with a wide range of Johnson Controls and third-party building automation and HVAC control systems
- Durable construction suited for demanding commercial and industrial environments
Specifications
- SKU: ST-R24S
- Brand: Johnson Controls
- Sensor Type: 10k Ohm NTC (Negative Temperature Coefficient)
- Mounting Type: Strap-On
- Operating Temperature Range: 32°F to 221°F (0°C to 105°C)
- Probe Length: 2″
Applications
- Hydronic heating and cooling systems
- Chilled water and hot water pipe monitoring
- Building automation and energy management systems
- Commercial HVAC controls and zone management
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