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Humidity Card indicator scales provide a quick and inexpensive means of checking relative humidity levels of your storage or display area.
As humidity changes, the chemically impregnated spots change from blue (more humid) to pink (less humid). The humidity card indicates the current humidity level by reading to the lavender section (in between a pink and blue section).
If higher level of accuracy is required we recommend our digital thermohygrometer.
Vinces Road Diss Norfolk IP22 4HQ
Tel: +44(0) 1379 647400 Fax: +44(0) 1379 650582
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