Diaphragm pressure gauge, model 422.12


Applications

  • For measuring points with increased overpressure
  • With liquid-filled case for applications with high dynamic pressure pulsations or vibrations (Model 423.12)
  • For gaseous and liquid media, with the open connecting flange option also for particulates-containing and viscous media
  • For mining, environmental technology, machine building and plant construction

Special Features

  • Compatible with switch contacts
  • Process connection thread or open flange
  • Scale ranges from 0 … 16 mbar

Toon alle productspecificaties

Design
EN 837-3

Nominal size in mm
100, 160

Accuracy class
Model 422.12: 1.6                                                        Model 423.12: 2.5 (option 1.6)

Scale ranges
0 ... 16 mbar to 0 ... 250 mbar (flange Ø 160 mm)
0 ... 400 mbar to 0 ... 40 bar (flange Ø 100 mm)
or all other equivalent vacuum or combined pressure and vacuum ranges

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

Overpressure safety
3 x full scale value, however max. 40 bar

Permissible temperature
Ambient: -20 ... +60 °C
Medium: +100 °C maximum
Storage: -40 ... +70 °C (scale ranges ≤ 60 mbar: -20 ... +70 °C)

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 / IEC 529
(with liquid filling (Model 423.12) IP 65)

Specificaties

Principe Manometer
Procesaansluiting draad G", draad NPT
Afmeting
Behuizing
Meetelement Roestvaststaal
Uitgang Visueel
Drukbereik 0..40 bar
Manometer diameter 100 mm, 160 mm
Aansluitpositie Onder (6 uur)
Manometer vulling gevuld
Merk Wika
Hygienisch Niet Hygienisch
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