Research Article
Characteristics of Humidity-Temperature Changing in the Below-Grade Concrete Structure by Applying Waterproofing Materials on the Exterior Wall
Table 1
Specifications of the temperature and humidity sensor.
| Category | Specification |
| Temperature and humidity sensor | Measurement range (relative humidity) | Relative humidity (RH) 0–100% | Measurement range (temp.) | Temp. 0–100°C, −20–80°C | Accuracy at 23°C |
±2% RH (10–99% RH) | Annual stability of relative humidity |
±1% RH | Relative humidity response time | 10 s normally (up to 90%) | Selected signal output | 0-1 VDC, 0–5 VDC, 0–10 VDC | Supply voltage | 14–35 VDC, 4.5–35 VDC, 14–26 VDC | Size | Length: 80 mm, 12 mm |
| Data logger (Agilent 34972A) | Basic DCV accuracy | 0.004%/year | Maximum scanning | 250 channels/s |
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