Thông tin sản phẩm
● Refrigeration system
● Testing automotive, industrial & residential air conditioning
Working Pressure
Steady : 3/4 of full scale value(recommendation : 25% to 75%
of full scale)
Fluctuating : 2/3 of full scale value(recommendation : lower
50% of full scale)
Short time : full scale value
Operating Temperature
Ambient : -20 ~ 65°C(281P)
-20 ~ 80°C(283P)
Media(Fluid) : -5 ~ 40°C
Scale Ranges *
60mm(Code 25) : Compound(-0.1 ~ 1.0, 1.5 & 2.0 MPa)
Gauge Pressure(0 ~ 2.5 & 3.5 MPa)
75mm(Code 30) : Vacuum(-1.0 ~ 1.5 MPa)
Gauge Pressure(0 ~ 3.5 MPa)
* For more information, see the ordering information table.
Standard Pressure Connection
60mm & 75mm : UNF 7/16"
* Throttling screw inserted in the pressure port.
Ring Type
Crimped (283P)
Material
Case : Black Finished Steel(281P), 304 SS(283P)
Ring(Cover) : Black Finished Steel(281P), 304 SS(283P)
Window : Glass(281P), Polycarbonated Glass(283P & 281P25F only)
Pointer : Aluminum Alloy, Black Painted
Connection : Brass(281P), Chrome Coated Brass(283P)
Element : Brass
Movement : Brass
Dial Plate : White Aluminum with Black Graduations
Liquid Filled : Glycerine(283P only)