Product Description
The Honeywell TR21-WSU wireless temp sensor is a reliable solution for monitoring temperature in building control systems. Designed for replacements, it ensures accurate environmental control.
- Easy installation with factory-pre-bound wireless kits
- Long battery life with AA batteries included
- Low battery and signal strength indicators
Product Highlights
The wireless temp sensor, TR21-WSU, can replace standard wired sensors, making it versatile for HVAC applications.
Product Information
Standard Information
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Application: Wall Module
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Dimensions (in.): 4 11/16 in. high x 3 in. wide x 7/8 in. deep
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Used With: Spyder, Excel 10 W7750, W7751, W7752, W7753, T7350, T7351, TB8575, WEBs-AX I/O Module
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Comments: no Honeywell logo; not compatible with TB7220, TB8220, TB line voltage thermostats, XL15s, W7762, W7763
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Mounting: Wall mount
Technical Specifications
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Approvals, Underwriters Laboratories Inc.: UL94 plastic enclosure
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Operating Humidity Range (% RH): 5 to 95% RH, non-condensing
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Setpoint Temperature Range (C): 13 C to 30 C
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Setpoint Temperature Range (F): 55 F to 85 F
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Operating Temperature Range (F): 45 F to 99 F
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Operating Temperature Range (C): 7 C to 37 C
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Shipping and Storage Temperature Range (F): -40 F to 150 F
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Shipping and Storage Temperature Range (C): -40 to 65.5 C
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Approvals, Federal Communications Commission: FCC Part 15
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Accuracy (F): 1 F across 53.6 F to 86 F
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Accuracy (C): 0.5 C across 12 C to 30 C
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Color: White
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Radio Frequency: 2.4 GHz (IEEE Std 802.15.4-2003 compliant)
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Wireless Range: Open Range--3000 feet; Typical Range--100 feet
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Battery Life: 7.5 years with two AA Lithium Batteries or 5 years with two AA Alkaline batteries (included)
