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Wind speed can be measured with a handheld wind meter
A user-adjustable needle at the centre of this humidity instrument allows you to observe changes in relative humidity
with the upper end of the scale reaching 110°C to allow for the high temperatures achieved in compost piles
Temperature Range -10°C to +70°C Temperature Accuracy +/- 1°C Humidity Range 20% - 99% Humidity Accuracy +/- 4% at 35 - 75% Power 1 AAA battery (included) Dimensions 91mm x 18mm x 134mm Weight 100g TFA Product Code 30
this gift box makes a considered present for anyone who enjoys time spent in the garden
Russell Scientific Jubilee Barograph Choose Finish:Mahogany Case Wind speed can be measuredDescription Features Specification Product Video The Jubilee barograph is a miniature instrument that will grace any desk, mantelpiece or table as well as providing much interest. It has a handmade, solid wood case with flat glazed windows. The brass mechanism is fitted with a four capsule stack aneroid and the clock is quartz powered with a seven day rotation. This barograph can be used with modern fibre nib pens which are self inking. The Jubilee
