Flowma TGF94/95 Thermal Mass Flowmeter

 

Flowma TGF94/95 Thermal Mass Flowmeter

Flowma TGF94/95 Hot wire thermal air velocity transmitter working at a constant Temp. using King’s law heat balance equation for:

Can be calculated from the formula characteristic curve of constant Temp. hot wire anemometer, special
three PT probe and full metal housing design, high accuracy, suitable for a variety of pipe diameters, widely used in industrial fields.

Feature

  • IP67 Rugged stainless steel case, fit in variety harsh environment 
  • Easy to install, imported sensing element, high accuracy, long-term stability
  • Switch multifunction physical quantities(Air velocity and volume):[m/s]、[f /s]、[Nm3/h]、[Nm/s]、[L/min]、[m3/min]
  • LCD Display of air velocity and temperature
  • LCD Display of cumulative flow : m3, L (Option)

Application

  • Exhaust gas removal
  • Dust environment
  • Slightly corrosive environment
  • Burner feeder
  • Biotechnology industry
  • Factory building air intake
  • Exhaust calculation

Specification 

Input type Pt20 / Pt300 (Air velocity) / Pt1000 (Temp.)
Measuring range 0 … 120 Nm/s
N : Working condition (Definition : 20°C at 1013 hPa) Units can be converted Nm/s (Flow rate) or Nm3/h(Flow)(Option) or m3(Cumulative flow)(Option)
Minimum initial value 0.15 Nm/s
Installation angle effect <3% of the measured value
(When the installation angle<10°) 4 … 20 mA / 0 … 10 V / RS-485 / Impulse
Signal
Preset output Out1 : Air velocity;Out2 : Impulse
Impulse range (1 … 500 Hz) (1)1 … 500 Hz : 4 … 20 mA

(2)1 … 500 Hz : 0 … 10 V
Signal connection 3-wire
Warm-up time <60 sec
Reaction time t90<5 sec
Display type LCD Module with back light, double-row(Up air velocity, down temperature(Default: 0 … 120°C))
Load resistance Current output : ≦500 Ω
Accuracy Voltage output : ≧100 KΩ
Accuracy ±1.5% F.S. (Option ±1%)
Temp. influence 0.1% / °C
Repeatability 0.5%
Power supply DC 24 V±10%
Current consumption <0.3 A
Overvoltage protection DC : <40 V
Electrical connections M12 connector / M16 metal cable gland
Measuring medium Air
Operating Temp. -20 … +60°C
Operating Humid. 0 … 95%RH(Non-condensing)
Probe operating Temp. 0 … 120°C / Option:200°C
(Increasing operating temperature will affect air velocity error)
Storage Temp. -20 … +60°C
Storage Humid. 0 … 95%RH(Non-condensing)
Probe pressure 16 bar
Fixed seat 1/2″PT movable thread
Installation Duct type
Remote type
IP rating IP67(Probe);IP65(Housing)
Electrical protection ■ Reverse polarity ■ Over-voltage ■ Short-circuit
Certification CE
Housing Material Aluminum alloy
Probe Material SUS304
Weight FTM94 : 720 g
FTM95 : 832 g

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