Page 398 - 2019종합카다로그_Pressure gauge

Pressure switch Working range
A bi-stable electro mechanical device than actuates/ The maximum input pressure that can be continuously
deactuates one or more electrical switching element at a applied to the pressure switch without causing
predetermined discrete pressure upon rising or falling. permanent change of set point, leakage or material
failure.
Adjustable range
The span of pressure between upper and lower limits Repeatability
The ability of a pressure switch to successively operate
within which the pressure switch can be adjusted to at a set point that is approached from a starting point
actuate/deactuate. It is expressed for increasing in the same direction and returns to the starting point
pressure.
over three consecutive cycles to establish a pressure
profile.
Setpoint The closeness of the measures set point values is
That discrete pressure at which the pressure switch is normally expressed as a percentage of full scale
adjusted to actuate/deactuate on rising or falling (maximum adjustable range pressure).
pressure. It must fall with the adjustable range and be
called out as increasing.

Dead band
The difference in pressure between the increasing set
point and the decreasing set point.

Pressure range table

Adjustable setting range Working range Flange size
Code
H : bar I : MPa J : kPa bar Diameter (mm)
932 0.002 ~ 0.015 0.2 ~ 1.5 2
994 0.01 ~ 0.15 1 ~ 15
907 0.1 ~ 0.25 10 ~ 25 5 113
909 0.2 ~ 0.35 20 ~ 35
910 0.3 ~ 0.5 30 ~ 50
922 0.4 ~ 2 0.04 ~ 0.2 50 89
905 1.5 ~ 4 0.15 ~ 0.4

P946_04