رطوبت نگار مدل 250 لامبرشت

توضیحات

• A hygrograph uses a length of hair to record changes in air humidity.The resulting manually-adjusted natural hair grid has been employed for decades when high accuracy is required.

  The precision mechanics meter drives the recording drum (acc. to DIN 58658),on which special charts are mounted.

  These delicate mechanics are housed inside a robust metal housing making the 250 Hygrograph suitable for floor,shelf or table top mounting.

  Please note,you will need to select ‘Fragile Shipping’for this item at checkout.