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WIKA · Pressure measurement · Family 111_12_027

Bourdon tube pressure gauge, copper alloy

The miniature design of this pressure gauge is cost-effective and specifically aimed for integration solutions. This instrument is based on a reliable ...
Price
On request
Depends on configuration
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Description

The miniature design of this pressure gauge is cost-effective and specifically aimed for integration solutions. This instrument is based on a reliable Bourdon tube measuring system. The brass measuring system guarantees low temperature influence and high measuring stability. The model 111.12.027 is available in a low-pressure version with scale ranges from 0 ... 4 to 0 ... 25 bar and in a high-pressure version from 0 ... 100 to 0 ... 400 bar.

For further approvals, see page 4

Fig. left: model 111.12.027, low-pressure version, case copper alloy, nickel-plated Fig. right: model 111.12.027, high-pressure version, case copper alloy, natural finish

The one-piece case and process connection makes the instrument resistant to mechanical damage. This proven design is ideal for applications with compact equipment requiring built-in small pressure gauges.

Special features

  • Small and compact
  • Ideal for integration solutions
  • Scale range from 0 ... 4 bar to 0... 400 bar
  • Nominal size of 27 mm [1"]
  • One-piece case and process connection from copper alloy
Specifications are being prepared — full datasheet available on request.
Tables from datasheet
Basic information
StandardPer EN 837-1, where applicable
→ For information on the 'Selection, installation, handling and operation of pressure gauges', see technical information IN 00.05.
Version
Low-pressureScale range from 0 ... 4 bar to 0... 25 bar
High-pressureScale range from 0 ...100 bar to 0... 400 bar
Nominal size (NS)Ø 27 mm [1"]
Connection locationCentre back mount
WindowPlastic, crystal-clear, snap-fitted in case
Case■ Copper alloy ■ Copper alloy, nickel-plated
MountingCustomisable on request
MovementCopper alloy
Measuring element
Type of measuring elementBourdon tube, C-type
MaterialCopper alloy
Leak tightnessLeakage rate: < 5∙10 -3 mbar l/s
Accuracy specifications
Accuracy class4.0
Temperature errorOn deviation from the reference conditions at the measuring system: ≤ ±0.4 % per 10 °C [≤ ±0.4 % per 18 °F] of full scale value
Reference conditions
Ambient temperature+20 °C [+68 °F]
bar
0 ... 40 ... 12
0 ... 60 ... 16
0 ... 100 ... 25
View all (13)
kPa
0 ... 4000 ... 1,200
0 ... 6000 ... 1,600
0 ... 1,0000 ... 2,500
psi
0 ... 600 ... 160
0 ... 1000 ... 250
0 ... 150-
kg/cm 2
0 ... 40 ... 12
0 ... 60 ... 16
0 ... 100 ... 25
MPa
0 ... 0.40 ... 1.2
0 ... 0.60 ... 1.6
0 ... 10 ... 2.5
Operating conditions
Medium temperatureMax. +60 °C [+140 °F]
Ambient temperature0 ... 60 °C [32 ... 140 °F]
Pressure limitation
Steady3/4 x full scale value
Fluctuating2/3 x full scale value
Short timeFull scale value
Ingress protection per IEC/EN 60529IP41
LogoDescriptionRegion
EU declaration of conformity Pressure equipment directive PS > 200 bar, module A, pressure accessoryEuropean Union
LogoDescriptionRegion
PAC Kazakhstan Metrology, measurement technologyKazakhstan
-PAC Ukraine Metrology, measurement technologyUkraine
PAC Uzbekistan Metrology, measurement technologyUzbekistan
-CRN Safety (e.g. electr. safety, overpressure, ...)Canada
Certificates
Certificates2.2 test report per EN 10204 (e.g. state-of-the-art manufacturing, indication accuracy)
Recommended calibration interval1 year (dependent on conditions of use)
VersionGDimensions in mm [in]
Db1 ±0.5 [0.02]b2 ±1 [0.04]S3SW
Low pressure in mm [inch]G ⅛ B28 [1.1]18.5 [0.73]30.5 [1.2]10 [0.39]27 [1.06]
⌀ D b1 ± 0,5⅛ NPT S328 [1.1]18.5 [0.73]28.5 [1.12]10 [0.39]27 [1.06]
b1 [ ± 0.02] b2 18,5 [0.73] 30,5R ⅛28 [1.1]18.5 [0.73]28.5 [1.12]10 [0.39]27 [1.06]
High pressure 17,5 [0.69]G ⅛ B28 [1.1]17.5 [0.69]28.5 [1.12]10 [0.39]27 [1.06]
[1.10]⅛ NPT 10 [0.39]28 [1.1]17.5 [0.69]28.5 [1.12]10 [0.39]27 [1.06]
16,5 [0.65] 26,5R ⅛28 [1.1]17.5 [0.69]28.5 [1.12]10 [0.39]27 [1.06]