Best Humidity setting for a Dry Cabinet

#55%~45%RH

Magnetic stripe, tape, CD, camera, the camera, slide projector, video machine, telescope, photographs, negative, slide, miniature sheet, tapes, ancient book album, oil painting, stamps, COINS, antique, CDS, LD, engineering drawing, leather goods, industrial design

#45%~­35%RH

Precision instruments, electronic electric appliance, measuring tools, precision grinding tool, half guide slide, capacitors, tungsten, EI, batteries, optical coating namely components, crystal, light source, printed circuit board, detector, charger, precision bearing, optical lens.

#35%~­20%RH

Various reagent, samples, filter, standard products, seeds, pollen, dry flower and spices, tea product, coffee, dessert, fluorescent powder, short time deposit of the original device of electron (time not more than 45 days).

#20%~­10%RH

Special chemicals, precision electronic components group, optocouplers, crystal, SCR, and other sophisticated electronic devices  (time not more than 3 months)

#10%~­1%RH

SMT,IC,BGA,copper,silver,silver plating components,PCB board