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Table 4.
WCI and WCS specifications (continued)
2% Relative Humidity (RH) Sensor Module
Accuracy
Hysteresis
Sampling Rate
Response Time
Long-term Drift
Transmit Trigger
Life Expectancy
(a)
Range values are estimated transmission distances for satisfactory operation. Actual distance is job specific and must be determined during site evaluation. Placement of the
WCI is critical to proper system operation. In most general office space installations, distance is not the limiting factor for proper signal quality. Signal quality is more greatly
affected by walls, barriers, and general clutter. Note that sheetrock walls and ceiling tiles offer little restriction to the propagation of the radio signal throughout the building as
opposed to concrete or metal barriers. More details information, including wiring schematics, are available at http://www.trane.com.
(b)
Accuracy and Resolution for a remote thermistor will depend on the thermistor that is used.
(c)
Accuracy and Resolution for a remote thermistor will depend on the thermistor that is used.
Table 5. WCS-SB/R remote sensor input resolution
(a)
Figure 4. WCS-SO sensor coverage patterns
BAS-SVX40K-EN
±1.8% (typical)
±1% (typical)
30 seconds
8 seconds
<0.5%RH/year
Change of 1% or every 15 minutes
15 years
Temperature Input Range
-10°F to 80°F
-11°F to -30°F and 81°F to 100°F
-31°F to -40°F and 101°F to 122°F
-41°F to -58°F
Resolution does not include field supplied 10K Type 2 thermistor tolerance.
Range = 10m (32.8 feet)
Overview
Resolution
(a)
≤ 0.2°F
≤ 0.3°F
≤ 0.4°F
≥ 0.4°F
19
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