To measure and to record humidity and temperature tamper-proof. This instrument combines high-quality measuring elements and highly precise clockworks. It is manually assembled, adjusted and tested. The proven natural hair grid is the most frequently used device to measure humidity. This instrument suits for applications in fields like museums, galleries, libraries, storage rooms, classical meteorology, paper industry, printing and textile industry.

• Low reaction time and high quality
• Advantage of the use of synthetic fiber in rooms in temperatures between –10 to +40°C, since no regeneration is required
• Precision mechanics clockwork or quartz clockwork with batteries
• Clearly arranged results
• Off the line