FMT400

Overview

Precise and dynamic direct mass flow measurement of gases for industrial standard applications.

• High-grade thermal sensor elements
• – superior long-term stability
• – effective sensor element protection frame with flow conditioning properties
• SmartSensor solution
• – Meter intelligence located at the sensor
• – all digital solution
• – reduced wiring costs with industry standard connection cables
• – long cable distances are possible
• SensorApplicationMemory
• – Plug and play electronics replacement
• – Redundant data storage for maximum data security
• ABB common electronic concept
• – Through-the-glass operation
• – Modular I/O Concept
• – Multiple 32-bit processor structure
• – full digital heating circuit control
• – dynamic temperature compensation
• ApplicationSelector
• – Adaption of the characteristic application parameters on site
• – choice between up to two applications (FMT430)
• – choice between up to eight applications (FMT450)
• – setup new applications without the need for recalibration (FMT450)
• VeriMass onboard verification and diagnostics
• – Fingerprint based SensorCheck to verify the integrity of the thermal sensor elements
• – continuous health check of the meter
• – parameter plausibility check

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
• FMT430 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
• FMT450 measuring accuracy for air under reference conditions
• – ±0.6 % of rate ±0.05 % full scale
• FMT450 measuring accuracy for gases under reference conditions
• – with optional process gas calibration 
• – ±1.6 % of rate ±0.1 % full scale
• Integral and remote mount transmitter design
• – single and dual compartment transmitter housing options
• 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
• – 100 … 240 V AC (-15 / +10 %) 
• – 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)
• FMT450 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