Sonic FEx-100 Ultrasonic Gas Flow Meter Flame-proof

Gas flow monitoring with FEx-100 intelligent function in a hazardous area. Sonic's wide variety of ultrasonic flow meters meets customers' needs for flow monitoring in any situation.

Feature :

• Flame-proof Exd II BT6 compliant
• Wider measurement range
• No pressure loss
• Faster response and better reproductivity
• Wide-screen LCB and various display functions
• Various output port (analog x2, digital x1, contact x4)

Specification :

Pipe :

Applicable fluid: gas (*1, *2)
Applicable pipe: Nominal diameter: 50mm ∼ 4000mm (*3)
Spool piece: Flange rating: JIS 10k standard (*4)
Material : SGP, STPG, SUS304, SUS316, STPY (*5)

Sensor :

Flame-proof standard / ExdIIBT4
Sensor :

• Standard (screw type) temperature: -30 ∼ 180ºC
• Pressure: -0.05 ∼ 1MPa
• Large (flange type) temperature: -30 ∼ 180ºC
• Pressure: -0.05 ∼ 1MPa
• Measurement method: Ultrasonic transit time method
  
  
• Seal: Gas seal unit
• Installation requirement: Straight pipe: Wider than 15D at the upstream wider than 5D downstream (D is inner diameter)
• Cable length: Sensor to convertor: Standard 6m or 10m

Converter :

• Flame-proof standard: ExdIIBT6
• Measurement method: Ultrasonic transit time method
• Measure line: 1 line or 2 lines (option)
• Traverse: Z o V
• Accuracy: ±1.0% FS (flow velocity 5 ∼ 60 m/s)
• Reproductivity: 0.2%
• Flow velocity resolution: less than 0.5mm per second
• Averaging: Default 10 sec (0.5 ∼ 180 sec variable)
• Ultrasonic thermometer: Measure temperature (in case of air) by ultrasound transit time
• Ambient temperature: -10 ∼ +50ºC
• Material: AC4A (aluminum cast)
• Power supply :

1. AC100V±10%, 50/60Hz
2. AC115V, 220V (option)

• Surge protection: Built-in surge absorber (VDD line, signal line)
• Power dissipation: Max.27W
  
  
• Output: 

Analog x2 :

• Range: DC4∼20mA
• Over range: DC0∼24mA
• Load resistance: Less than 450Ω
• Output mode: Flow rate, temperature, pressure
  

Contact Output x4 :

• Open collector: Rated voltage and current 30V, 0.25A
• Output mode: Integrated flow rate, alarming, normal,
• reverse output, upper limit alarming, lower limit alarming
• Integrated pulse width: 1.6msec or 50msec
• Power supply for pressure and temperature: DC24V±0.5V, 0.2A
• Digital output: RS232C, RS422

Data Sheet: Sonic FEx-100 Ultrasonic Gas Flow Meter

Another Article:

• The Technology of the Ultrasonic Flowmeter
• Working Principle of Flow Meter
• How to Choose a Flow Meter
• Models and Types of Flow Meter
• Sound Velocity of Material