Description Humidity indicator card 6-point 10 – 60% RH For monitoring relative humidity during storage and display in showcases Cobalt dichloride free blue = dry, pink = moist Dimensions: 120 x 45 mm Material: Cobalt dibromide on cardboard Avoid contact with metal Packing unit 10 pieces For a rough check of a climate (accuracy in practice less than 10% RH): The color change is temperature-dependent. The paper strips are impregnated with various cobalt bromide solutions.
