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Twin Dial Thermo-Hygrometer

(Code: 33061)
£ 8.00
(9.30 €)
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  • This 65mm twin dial thermo-hygrometer is used to determine the most comfortable and economical humidity, between 40-70%, and temperature between 16-24C (61-75F).
  • Can be used in cars, greenhouses and many other locations.
  • Relative humidity is indicated as a percentage on the upper dial and ambient temperature on the lower one.
  • The adhesive pads on the back of the instrument can be used to position the instrument where required.