Table 3.

Selection of electrical humidity sensors.

Reference	Response Time	Sensitivity
2014, U. Mogera et al. [204]	8 ms	~10,000
2013, Stefano Borini et al. [205]	30 ms
2016, Rui Guo [206]	0.4 s	7.68 nF/%RH
2015, Anderson D. Smith et al. [207]	0.6 s	0.31($\frac{\mathsf{\Delta }R}{R\cdot \mathsf{\Delta }\%RH}$)
2014, Dongzhi Zhang et al. [208]	<1 s	1552.3 pF/%RH
2018, Xianhao Le et al. [209]	8 s	42.08 kHz/%RH
2013, Hengchang Bi et al. [210]	10.5 s	37800%($\frac{\mathsf{\Delta }c}{c_{15}}\cdot 100\%$)
2018, Ishrat Rahim et al. [211]	10 s	154 nF/%RH
2019, Zhou Zheng et al. [212]	10 s	2.9 kHz (22.5–43.2%RH) 11.5 kHz (43.2–93.6%RH)
2017, Hui Yang et al. [213]	12 s	0.022($\mathsf{\Delta }lo{g}_{10}^c∕\mathsf{\Delta }RH$)
2012, Yao Yao et al. [214]	19 s	29 µV/%RH
2018, Tian Qiang et al. [215]	25 s	1.24 pF/%RH
2019, Ning Sun et al. [216]	27 s	177791.63%($\frac{\mathsf{\Delta }C}{C_{11.3}}\cdot 100\%$)
2018, Debasree Burman et al. [217]	92 s	4000($\frac{I_{humidity}-I_{baseline}}{C_{baseline}}$)
2016, Jinfeng Feng et al. [218]		4.2($\frac{C}{C_0}$)