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Vibration fork type level switches for liquids

Category: .

Product Description

FEATURES

  • No moving parts
  • Self-cleaning for most media
  • High immunity against vibrations
  • Stainless steel and coated (PFA) probes
  • Solid rod extension up to 3 m
  • Various output configurations
  • Selectable density
  • High or low fail-safe mode
  • Plastic, aluminium or stainless steel housing
  • Explosion-proof models

APPLICATIONS

  • Most liquids with min. 0.7 kg/dm3 density and max. 10,000 mm2/s viscosity
  • Corrosive, thick, turbulent, flowing liquids

SPECIFICATIONS

  • Power supply: 20-255V AC, 20-60V DC
  • Ambient temperature: -40 °C to +70 °C
  • Medium temperature: -40 °C to +130 °C
  • Medium pressure: max. 40 bar
  • Process connection: 1”, 11/2” or flanges or hygienic fittings
  • Output: 1 or 2 SPDT relays, 2-wire AC or DC,
    transistor (PNP, NPN)
  • Ingress protection: IP 65/68, IP 67
  • Ex marking:
    ATEX II 1 G Ex ia IIC T4…T6 Ga
    ATEX II 1 G Ex ia IIB T4…T6 Ga
  • Approvals: Germanischer Lloyd (GL) only for Compact type (RF-400) instruments