Room humidity sensors Duct Sensor configuration

View Details Siemens QFM81.21 Duct Hygrostat, 30 to 90% RH  | Blackhawk Supply
$239.04 each
View Details Veris HD5XMSTB RH Duct | 5% | 4-20mA | Temp | 100R Pt  | Blackhawk Supply
$123.06 each
View Details Veris HD5XVSTK RHDuct | 5% | 5/10VDC | Temp | 10k w/11kS  | Blackhawk Supply
$138.86 each
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