WIKA 112.28 工業(yè)型波登管壓力表 制冷劑專用壓力表 冷媒壓力表
Bourdon tube pressure gauge
Industrial series, NS 80
Models 112.28, 132.28
Bourdon tube pressure gauge model 132.28,
back mount, lettering for refrigeration technology
Applications
■ For gaseous and liquid media that are not highly viscous or crystallising
■ Model 112.28: Measuring system Cu-alloy
Model 132.28: Measuring system stainless steel, also for aggressive media
■ Hydraulics
■ Compressors
■ Refrigeration technology
Special features
■ Vibration and shock resistant
■ Especially sturdy design
■ Stainless steel case
■ Scale ranges up to 0 … 40 bar
Debion
Design
EN 837-1
Nominal size in mm
80
Accuracy class
1.6
Scale ranges
Model 112.28: 0 ... 0.6 to 0 ... 40 bar
Model 132.28: 0 ... 1 to 0 ... 40 bar
or all other equivalent vacuum or combined pressure and vacuum ranges
Pressure limitation
Steady: Full scale value
Fluctuating: 0.9 x full scale value
Short time: 1.3 x full scale value
Permissible temperature
Ambient: -40 ... +60 °C
Medium: +60 °C maximum (model 112.28)
+200 °C maximum (model 132.28)
Temperature effect
When the temperature of the measuring system deviates from the reference temperature (+20 °C):
Max. ±0.4 %/10 K of full scale value
Ingress protection
IP 54 per EN 60529 / lEC 529
Standard version
Process connection
Model 112.28: Cu-alloy
Model 132.28: Stainless steel 316L
Lower mount (LM) or centre back mount (CBM), G 3/8 B (male), 19 mm flats
Pressure element
Model 112.28: Cu-alloy
Model 132.28: Stainless steel 316L
Movement
Cu-alloy, wear parts argentan
Dial
Aluminium, white, black lettering
Pointer
Aluminium, black
Case
Stainless steel
Window
Polycarbonate
Bezel ring
Crimp ring, glossy finish stainless steel
Options
■ Other process connection
■ Sealings (model 910.17, see data sheet AC 09.08)
■ Liquid filling (glycerine, permissible temperature):
Ambient: -20 ... +60 °C
Medium: +60 °C maximum (model 113.28)
+100 °C maximum (model 133.28)
■ Panel frame 88 x 88 mm, stainless steel, black
■ Restrictor in the process connection
Dimensions in mm
Standard version
Ordering inbation
Model / Nominal size / Scale range / Connection size / Connection b / Options
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