285M | barograph with mechanical clockwork
Product.Nr.: 285M
Manufacturer: Fischer
EUR 1.437,00
incl. 19 % VAT
product description
General information:
- Aneroid barograph for the registration of atmospheric air pressure
- For indoor use
- Almost no aging, hysteresis and elastic after effects
- Compensation of the temperature influence on the set of aneroid capsules and the transmission system by means of bimetal in the whole measuring range in the temperature range from -30°C to +40°C
- Axis of the precision instrument supported in stone, therefore the instruments have got a minimum of idle friction
- Parts of the measuring mechanism made of polished brass
- Mahogany coloured wooden case
- Dimensions: 345 mm x 170 mm x 180 mm
- Mechanical winding up clockwork being able to switched from day to week cycle (cycle periods 25.6 h / 176 h)
- In scope of supply: 60 sheets week diagram and 2 pens
Technical data:
- Measuring element: set of 7 aneroid capsules made of copper beryllium alloy
- Measurng range: 955 hPa to 1,055 hPa
- Accuracy: ±0.7 hPa
- Division of diagram: 1 hPa
