To protect all members of the community from COVID-19, Prospectors will no longer be operating a shop front.  You can still pick up goods from our Dural warehouse but to help us do our part please call the office first (02) 8408 0092 so that we can arrange a contactless collection.

GST - All pricing is Inclusive of GST.  GST is adjusted at checkout for export orders.
Shipping - If shipping does not calculate correctly or if you are overseas please contact us directly for rates.


Your Cart is Empty



Compact Whirling Hygrometer

  • Pocket-sized black 2-piece hinged body which extends to form the instrument for instant use.
  • Calculator scales printed on the case for 'slide rule' simplicity.
  • Mercury tubes. -5/50oC in 0.5