Desco Humidity Indicator Card - 10, 20, 30 & 40%, Pack 100 vendor_BAILEY The annulus and slash is

The annulus and slash is depicted in red over the action symbol in black

100ms/s real-time sampling rate

000 count display with active backlight and analogue bar graph

Pre-punched holes on top and bottom

Part Number: 843670

Desco Humidity Indicator Card - 10, 20, 30 & 40%, Pack 100 vendor_BAILEY The annulus and slash isOverview An integral part of a complete moisture barrier packaging assembly is the Desco Humidity Indicator Card. High relative humidity can cause significant, possibly irreparable damage to sensitive equipment, supplies, and products. To ensure dehydration measures work, humidity indicator cards measure the relative humidity (RH) inside sealed packages to allow immediate visual inspection of whether it has sustained unsafe humidity levels. Desco