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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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