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類型：	膜盒壓力表	聯(lián)接型式：	G ½ B （male）, 22 mm flats
型號：	612.20	精度等級：	1.6
品牌：	WIKA/威卡	環(huán)境溫度：	-20 … +60 °C（℃）
加工定制：	是	公稱直徑：	60 100 160（mm）
測量范圍：	0 ... 6 mbar to 0 ... 600 mbar（MPa）

WIKA 612.20 膜盒式壓力表工業(yè)型表圓直徑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