1225HT-22 | wine cellar hygro-/thermometer

general information:

• for indoor use, for measuring temperature and humidity in wine cellars
• instrument cased in brass diamond polished
• dial ivory coloured
• wooden case mahogany coloured, stained and laquered
• dimensions: 140 mm x 140 mm

technical data:

• measuring principle: hair hygrometer (with specially treated human hair, reacts promptly at changes of humidity) | bimetallic thermometer
   
• measuring range temperature: -10°C to +50°C
  accuracy temperature: ±1 K +1 scale division
   
• measuring range humidity: 0 % to 90 % r.h.
  accuracy humidity: ±5 % r.h. (within the range from 20 % to 100 % r.h.) +1 scale division
   
• scale division: 1°C; 1 % r.h.