International Journal of Antennas and Propagation / 2016 / Article / Tab 2

Research Article

Experimental Study on Brush-Painted Passive RFID-Based Humidity Sensors Embedded into Plywood Structures

Table 2

Results of moisture absorption: mean change in mass and standard deviation after each testing time.

Time After 100% RH Δm
(%) mean
After 100% RH Δm
(%) st. dev.
After 9 days Δm
(%) mean
After 9 days Δm
(%) st. dev.

Noncoated5 min20.5100.390
1 h46.0800.440

IC-coated5 min22.660.080.460.03
1 h37.561.740.470.13

All-coated5 min14.906.600.190.13
1 h31.225.920.470.05