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WIKA 230.15-851

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Bourdon tube pressure gauges with switch contacts
UHP, stainless steel version
Model 230.15 with reed contact model 851.3

Bourdon tube pressure gauge with reed contact, UHP Model 230.15.2"

    Applications
    For gaseous and liquid, also aggressive media for demanding high purity applications, also in aggressive ambience
    Suitable for all UHP (Ultra High Purity) applications
    Semiconductor and flat panel industry
    Gas distribution systems, medical gases
    Hook-up application

   Special features
    Built-in electrical switch contact (reed contact)
    VCR® compatible pressure connection threads
    Helium leak tested
    Electropolished case
    Process connection surface finish Ra ≤ 0.25 μm

   Debion

  Nominal size
   2"

  Accuracy class
   Grade A to ASME B40.1

   Scale ranges
   0 ... 4 to 0 ... 400 bar (0 ... 60 to 0 ... 6000 psi)
   or all other equivalent vacuum or combined pressure and vacuum ranges

  Pressure limitation
   Steady: 3/4 x full scale value
   Short time: full scale value

  Operating temperature
   Ambient: -20 ... +60 °C
   Medium: +100 °C maximum

   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
   Stainless steel 316L, lower mount (LM) or back mount, VCR® compatible threaded connection optionally:
   with union nut (female)
   with male nut
   or with male thread 9/16-18 UNF fixed
   Male thread ¼ NPT

   Pressure element
   Stainless steel 316L, C-type
   Measuring system in crevice free design
   Leak tightness: leak rate ≤ 10-9 mbar · l / s
   Test b: helium mass spectrometry
 

   Movement
   Stainless steel
  

  Dial
   Aluminium, white, black lettering

  Pointer
   Aluminium, black

  Case
   Stainless steel, electropolished

  Window
   Polycarbonate,screw-fitted on case (twist lock)

  Cleaning
   Specially cleaned per SEMI standard

   Switch contact
   Reed contact model 851.3; the switching function is identified by the index 3; 851.3 = the contact switches(change-over contact)
   Adjustment of switch point

   In order to adjust the switch point, the instrument has to be disconnected from the voltage supply and the b has to be unscrewed. The switches are set via the mark pointer on the dial's circumference. The set value of the switch point is adjustable up to 80 % of the scale range.
   Electrical load
   max. switching voltage: DC / AC 24 V
   max. contact rating: 10 W
   max. current: 0.5 A
   Electrical connection via cable gland
   M8 x 1.25, cable outlet 3 m long, conductor cross section 0.14 mm2, flying leads, the terminal assignment is stated on the pressure gauge's connection plate

  Options
   Other process connection
   Electrical connection via miniature connector (Binder connector M8 x 1)
   Dual scale

  Dimensions in mm
   Standard version

  

   Ordering inbation
    Model / Nominal size / Scale range / Connection size / Connection b / Options