Data

General specifications:

  • Measuring media
    – Air, Nitrogen, Oxygen, Carbon dioxide, Methane, Hydrogen, Natural Gas, Biogas, Helium, Argon, Propane, Ethane, Ethene, Butane, Ammonia, more gas types on request
  • FMT230 measuring accuracy for air under reference conditions
    – ±1.2 % of rate within 10 … 100 % of measuring range
    – ±0.12 % full scale within 1 … 10 % of the measuring range
  • FMT250 measuring accuracy for air under reference conditions
    – ±0.6 % of rate ±0.05 % full scale
  • FMT250 measuring accuracy for gases under reference conditions
    – with optional process gas calibration 
    – ±1.6 % of rate ±0.1 % full scale
  • Integral mount transmitter design
    – single compartment transmitter housing
  • Measuring medium temperature
    – -25 … 150 °C (-13 … 302 °F)
  • Ambient temperature
    – -20 … 70°C ( -4 … 158°F)
    – optional -40 … 70 °C (-40 … 158 °F)
    – optional -50 … 70 °C (-58 … 158 °F)
  • Supply Voltage
    – 24 V DC ±20 %
  • Process adaption via pipe components in different designs
    – partial measuring sections (DN 25 …DN 100)
    – wafer design pipe components (DN 40 … DN 200)
    – Weld-on adapters (DN 100 … DN 3000)
  • FMT250 added functionality
    – high accuracy calibration
    – process gas calibration 
    – extended Measuring range 
    – high medium temperature up to 300 °C (572 °F) 
    – filling application software
    – ApplicationSelector with up to 8 applications
       …with up to 4 customer set applications
       …with selectable gas type
       …with selectable pipe inner diameter