532.51 WIKA 532.51 绝压表

WIKA 532.51 532.54 带膜片的绝压表

不锈钢系列 精度0.6 表径100

Absolute pressure gauge
Stainless steel version, with diaphragm element
Models 532.51 to 532.54, class 0.6 ... 2.5

Absolute pressure gauge, model 532.51

   Applications
    ■ Pressure measurement independent of fluctuations in the atmospheric pressure
    ■ For gaseous, liquid and aggressive media, also in aggressive ambience
    ■ Monitoring of vacuum pumps
    ■ Control of vacuum packing machines
    ■ Monitoring of condensation pressures and determination of the vapour pressure of liquids

 
   Special features
    ■ High overpressure safety
    ■ Long service life due to metallic media chamber sealing
    ■ Media chamber protected against unauthorised intervention DT-GM 86 08 176
    ■ Gauges compatible with switch contacts
    ■ Scale ranges from 0 … 25 mbar absolute pressure

   Description

   Nominal size in mm
    100, 160

   Accuracy class
    Model 532.51 NS 160: 0.6
    Model 532.52: 1.0
    Model 532.53: 1.6
    Model 532.54: 2.5
    The measuring accuracy is ensured for fluctuations in atmospheric pressure between 955 and 1,065 mbar (min. and max. of atmospheric pressure).

   Scale ranges
    0 ... 25 mbar to 0 ... 25 bar absolute pressure

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

   Overpressure safety
    Minimum 1 bar absolute pressure (atmospheric pressure), in addition 10 x full scale value, max. 25 bar absolute pressure

   Permissible 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. ±0.8 %/10 K of full scale value

   Ingress protection
    IP 54 per EN 60529 / lEC 529

   Standard version

   Process connection (wetted)
    Stainless steel 1.4571, lower mount (LM)
    G ½ B (male), 22 mm flats

   Pressure element (wetted)
    < 4 bar: Stainless steel 1.4571
    ≥ 4 bar: NiCrCo-alloy (Duratherm)

   Measuring chamber (wetted)
    Stainless steel 1.4571

   Movement
    Stainless steel

   Dial
    Aluminium, white, black lettering

   Pointer
    Adjustable pointer, aluminium, black

   Zero adjustment
    By means of adjustable pointer (adjustment appliance with gauges with switch contacts or liquid filling)

   Case
    Stainless steel, with blow-out device
    Gauges with liquid filling with compensating valve to vent case

   Window
    Laminated safety glass

   Bezel ring
    Cam ring (bayonet type), stainless steel

   Mounting by means of:
    ■ Rigid measuring lines
    ■ Mounting bracket for wall or pipe mounting (option)
    ■ Panel or surface mounting flange (option)

   Options
    ■ Other process connection
    ■ Sealings (model 910.17, see data sheet AC 09.08)
    ■ Liquid filling (model 533.xx)
    ■ Safety version (model 53x.3x)
    ■ Overpressure safety > 10 x full scale value
    ■ Wetted parts from Monel (model 56x.xx)
    ■ Medium temperature stability > 100 °C
    ■ Permissible ambient temperature -40 ... +60 °C (silicone oil filling)
    ■ Open connecting flanges DN 15/50 PN 16/40 (wetted)
    ■ Small flange for vacuum applications DN 10/32 DIN 28403 (wetted)
    ■ Panel or surface mounting flange (consider measuring cell!)
    ■ Mounting bracket for wall or pipe mounting (data sheet AC 09.07)
    ■ Switch contacts (data sheet AC 08.01)
    ■ Pressure gauge with electrical output signal, see model APGT43.1x0, data sheet PV 15.02
    ■ Version per ATEX Ex II 2 GD c TX

   Special versions
    Model 532.53 with expanded lower scale range
    Scale range 0 ... 1,020 mbar absolute pressure, working range 0 ... 30 mbar in class 1.6 expanded to approx. 130 p°

   

   Design and operating principle
    ■ The diaphragm (1) separates the media chamber (3) and the reference pressure chamber (2) with absolute pressure zero
    ■ Pressure differential between media chamber (3) and reference pressure chamber (2) will deflect the diaphragm (1)
    ■ In case of an overpressure overload the pressure element will be protected by a contoured metal bolster
    ■ The deflection is transferred from the pressure chambers through bellows or corrugated tubes (4), transmitted to the movement via the link (5) and indicated

   Dimensions in mm
   Standard version

   

    Option connecting flange

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