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Catalog excerpts
Industrial High Accuracy Thermal Mass Flow Transmitter Suitable for harsh environments, industrial processes flow monitoring or slightly corrosion compressed air IP67 Rugged aluminum alloy case, fit in variety harsh environment Easy to install, high accuracy, long-term stability Switchable physical quantities : m/s, ft/s, Nm3/h, Nm/s, L/min, m3/min (Air velocity & volume) LCD Display of air velocity and temperature LCD Display of cumulative flow : m3, L (Option) FTM94/95 Hot wire thermal air velocity transmitter working at a constant Temp. using King's law heat balance equation for: e : Sensor voltage output(V) a' : Zero output of constant temperature hot wire anemometer, Can use CTA circuit b' : Sensitivity of the sensor, related to the operating temperature v : Fluid flow rate 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. Exhaust gas removal / Dust environment / Slightly corrosive environment / Burner feeder / Biotechnology industry / Factory building air intake / Exhaust calculati
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Input type Measuring range Operating Humid. Preset output Signal connection Reaction time Display type Duct type Remote type (Up air velocity, down temperature(Default: 0 ... 120°C)) Electrical protection IP67(Probe)；IP65(Housing) ■ Reverse polarity ■ Over-voltage Temp. influence Certification Certification Overvoltage protection Current consumption Aluminum alloy Remote probe cable Electrical connections Power supply M12 connector / M16 metal cable gland | 3-Cycle curve | Ascending line Descending line Total average line Probe pressure LCD Module with back light, double-row Load resistance...
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| Dimension | Unit : mm FTM94 (Duct) M12 connector/ M16 metal cable gland M12 connector/ M16 metal cable gland Length as request (Max. length : 5 m) Wire diameter : ∅5 ... 5.5 mm 1/2″PT movable thread Flow sensor short probe : Right side | Electrical Connector | Unit : mm M type : M12 connector (RS-485+analog） N type : M16 metal cable gland (RS-485+analog） 104
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Power supply Power supply Brown Black *Please make sure the product and the device which connect with RS-485 are on common ground, avoid damaged product. | Hot-wire measurement principle | The thermal measuring principle abstraction of heat from a heated body by an enveloping gas flow (Hot-film Anemometer) The loss of heat depends on the number of molecules that collide with Rh m : Mass flow Ih Rh : Platinum thin-film resistor ‒ electrically heated Rt : Platinum thin-film resistor ‒ gas temperature | Ordering Guide | Installation 94 : Duct type 95 : Remote type : Heating current Measuring range...
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