Presair pressure switches can be both adjustable and factory set. Each switch is designed and manufactured to exacting standards to meet the needs of original equipment manufacturers and instrument makers for low cost, stable switches and good repeat accuracy.
Adjustable switches have an adjustable pressure range of 1.5 inches of water to 125 PSI. Tinytrol Factory Set Switch models can be factory set from 0.25 PSI to 65 PSI.
Presair manufactures our switches with accuracy in mind. Our standard switches have a deadband of ±10%, and custom options can be built for a tighter or wider deadband.
To get more info, view the pdf here.