HTC F1ABEA82-9167-4E0B-AAD2-4A2A8383388F Created with sketchtool. Add to Cart HTC THERMO-HYGROMETER 288-CTH (BIG DISP.THERMO HYGRO METER) Model: HTC-02 $60.00 MSRP: This is a thermo-hygrometer 288-cth with big display thermo hygro meter.