Universal traders supplies thermo-hygrographs. These thermo-hygrographs are providedwith special hairs, weekly/daily rotation, etc. These thermo-hygrographs are precision quality instruments, which find their applications in:measuring and recording temperature and relative humidity in the range of -15 up to +65ºc and rh in the range of 0-100 per cent also in the range of -35 up to 45ºc and rh in 0-100 per cent. For proper accuracy, mechanical clockwork winding is provided. The thermo-hydrographs find their applications in:environmental control, in research laboratories, scientific, meteorology, agricultural, air-conditioning plants/rooms, textile mills and several other industries.
