612.20 WIKA 612.20 膜盒式压力表 EN837-1

WIKA 612.20 膜盒式压力表 工业型 表圆直径63 100 160 EN837-3

Capsule pressure gauge
Model 612.20, industrial series

Capsule pressure gauge model 612.20

    Applications
    ■ Robust design and ingress protection IP 54
    ■ For gaseous, dry and non-aggressive media
    ■ Medical, vacuum, environmental, laboratory technology, for contents measurement and filter monitoring

   Special features
    ■ Zero adjustment in front
    ■ Case from stainless steel
    ■ Special connection location on request
    ■ Low scale ranges from 0 ... 6 mbar

   Description

   Design
    EN 837-3

 
   Nominal size in mm
    63, 100, 160

   Accuracy class
    1.6

   Scale ranges
    NS 63: 0 ... 25 mbar to 0 ... 600 mbar
    NS 100: 0 ... 10 mbar to 0 ... 600 mbar
    NS 160: 0 ... 6 mbar to 0 ... 600 mbar
    or all other equivalent vacuum or combined pressure and vacuum ranges

   Pressure limitation
    Steady:       Full scale value
    Fluctuating:  0.9 x full scale value

   Permissible temperature
    Ambient: -20 … +60 °C
    Medium: +100 °C maximum
    + 80 °C maximum (with NS 100 and 160 back mount)

   Temperature effect
    When the temperature of the measuring system deviates from the reference temperature (+20 °C): Max. ±0.6 %/10 K of full scale value

   Ingress protection
    IP 54 per EN 60529 / lEC 529

   Standard version

   Process connection
    Cu-alloy,
    Lower mount (LM) or lower back mount (LBM) 1)
    NS 63: G ¼ B (male), 14 mm flats
    NS 100, 160: G ½ B (male), 22 mm flats

   Pressure element
    Cu-alloy

   Seal
    NBR

   Movement
    Cu-alloy

   Zero adjustment
    In front

   Dial
    Aluminium, white, black lettering

   Pointer
    Aluminium, black

    Case
    Stainless steel

   Window
    Instrument glass

   Bezel ring
    Cam ring (bayonet type), stainless steel

   Options
    ■ Other process connection
    ■ Overpressure and vacuum safety with
       scale ranges > 25 mbar: 10 x full scale value
       scale ranges ≤ 25 mbar: 3 x full scale value
    ■ NS 100 and 160: Panel or surface mounting flange
    ■ NS 100 and 160: Triangular bezel with clamp
    ■ NS 100 and 160: Ingress protection IP 65
    ■ Switch contacts model 831 (data sheet AC 08.01)

   Dimensions in mm

   Standard version

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