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Liquid filled gauge
Bourdon tube pressure gauge, stainless steel, stainless steel case


Vibration and shock resistant

Suitable for heavy vibrations and high, dynamic pressure loads

Suitable for all gaseous and liquid media that will not obstruct the pressure system or attack copper alloy parts

Longer service life due to less wear  and corrosion protection of the  measuring system


Compressors, shipbuilding

Medical engineering

Reliable and cost-effective

Different customized versions available

ApplicationFor gaseous and liquid media which are not highly viscous, do not crystallize and do not attack copper alloys.
For measuring gas or vapour, these gauges must be used in accordance with the table Selection Criteria as pre EN 837-2.


Nominal size in mm

40 , 50, 63, 80, 100, 160

Accuracy Class (according to EN837-1)Cl2.5:  40
Cl1.6:  50, 63  
Cl1.0:  80, 100,160
Measuring rangesNS40,50: -1 0bar to -1 15bar
           0 0.6bar to 0 1000bar
NS63,100,160: -1 0bar to -1 15bar  
              0 0.6bar to 0 1000bar
Application areaNS40,50,63  Steady: 3/4 X full scale value

Dynamic load: 2/3 X full scale value

Short term: Fully scale value

NS80,100,160  Steady:  full scale value
Dynamic load: 0.9 X full scale value
Short term: 1.3 X fully scale value
Operating temperature rangeAmbient:-40 . +60 without liquid filling

Medium: -20 +60 with liquid filling

Temperature performanceWhen the temperature of the measuring system deviates from the reference temperature (+20): max.0.4%/10k of the span
Degree of protectionIP65 (EN 60529)/ IEC529 (Back mount: IP55)

Standard Version

Process connection

Stainless Steel 316L,  bottom or centre back

NS 40 G1/8B  -- SW 12 

NS 50, 63 G1/4B  -- SW14

NS 100, 160 G1/2B C spanner size SW22

Pressure element

Stainless steel 316 

60bar  C type tube 

60bar   helical tube

MovementStaninless stell

Aluminium, white,

Dial marking black and red

PointerAluminium, black
CaseStainless Steel 304 with blow-out
Crimped ringStainless steel 304

NS40,50: plastic

NS63, 100, 160: Laminated safety glass

Filling liquidGlycerine(99.5%), Silicone oil(optional) 


Other process connection, the connection thread can be PT, NPT, BSPT etc.

Special scales

Panel mounting bezel

Steel case

3-hole fixing, panel mounting bezel

Other special versions

Glycerine filled bourdon tube pressure gauges

NS 40 50 63 80 100 160