ETI 810 135 Comfort Thermometer ETI 810 135 P This therma hygrometer from ETI has been manufactured to a high standard and is the ideal instrument for achieving maximum accuracy and repeatability of a temperature reading P P The hygrometer displays both humidity and temperature in addition to indicating and recording maximum and minimum readings There is also an analogue arrow indicator and a colour coded bar to display either humidity comfort levels dry comfort and wet or temperatur
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