Reversible Cards

These reversible humidity indicator cards are color-change indicators and is reversible as required by Military Specification MIL-I-8835. As the humidity increases, the chemically impregnated spots change from a blue color , through a lavender, to a pink color (HUMID). As the humidity decreases, the spots change from a pink color , through a lavender, back to a blue color.

 

11 Item(s)

  • 3 Level. 30, 40 & 50% RHb Unit(s) in the pack: 125
    Excl. Tax: £53.00 Incl. Tax: £63.60
  • 4 Level - 10, 20, 30 & 40% RH

    4 Level - 10, 20, 30 & 40% RH

    SUDHM04CDF - Cobalt Free
    Unit(s) in the pack: 100
    Excl. Tax: £31.00 Incl. Tax: £37.20
  • 9 Level - 15-95%

    9 Level - 15-95%

    6203-100CDF - COBALT DICHLORIDE FREE
    Unit(s) in the pack: 25
    Excl. Tax: £43.00 Incl. Tax: £51.60