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Reversible Color-Change Humidity Indicator Card MS20003-3 |
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This card is a color-change indicator and is reversible as required by Military Specification MIL-I-8835. It also meets MIL-P-116 Method II requirements. As the humidity increases, the chemically impregnated spots change from a blue color (DRY), through a lavender, to a pink color (HUMID). As the humidity decreases, the spots change from a pink color (HUMID), through a lavender, back to a blue color (DRY). The MS20003-3 is accurate to ±5% relative humidity at 75°F (24°C). Other humidity combinations are available by special order. NOTE: This card has been impregnated with a chemical that may cause corrosion of some metals; therefore we recommend that the card not be placed in direct contact with metal objects. The chemical is no more harmful than table salt to humans. This card is used where space may be a problem. It is identical in design to the MS20003-2, except it is approximately 1/4 its size, making the MS20003-3 ideal for small package applications. NSN # 6685-01-008-7563. Size: 1" w x 1-5/8" h |