Flowgas® TMS 500
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Consumption sensor for compressed air and gases Screw-on pipe diameters up to DN300
- Simple pressurized installation possible
- High accuracy
- Negligible small pressure drop
The affordable consumption counter Flowgas TMS 500 works according to the proven calorimetric measuring principle. A heated sensor is cooled by the gas flowing around him. The flow-dependent cooling is utilized as a measuring scale while the degree of cooling is directly dependent on the passing air or gas mass. An additional pressure and temperature compensation is therefore not necessary.
For larger pipe diameters from DN 50 to DN 300 the consumption sensors TMS 500 are available. In addition to pressure air, other gases can be measured e.g. Nitrogen, oxygen, CO2.
The installation of the Flowgas TMS 500 via a standard G 1/2 "ball valve under pressure. The retaining ring prevents the probe is thrown out uncontrollably during installation and removal by the operating pressure. For installation in different pipe diameters the TMS 500 can be associated with different probe lengths. The exact positioning of the sensor in the center of the pipe is possible via an engraved depth scale.
| Measurement types | m³/h, l/min (1000mbar, 20°C) for compressed air Nm³/h, Nl/min (1013mbar, 0°C) for gases |
| Measurement principle | Calorimetric measurement |
| Sensor | Thermal mass flow sensor |
| Measured medium | air, gases |
| Operating temperature | Housing: -30°C…+80°C Probe tube: -30°C…+110°C |
| operating pressure | ≤ 50bar |
| Power supply | 24V DC |
| Load | < 500Ohm |
| Supply current | max. 80mA bei 24V DC |
| Digital output | RS 485 interface Modbus-RTU |
| Analog output | 4…20mA für m³/h bzw. l/min on request: scaling for cfm, m³/min, l/s, ft/min, m/s |
| Impulse output | 1 impulse per m³ bzw. l pulse output galvanically isolated pulse value on display adjustable |
| Accuracy | ± 1,5% v.M. ± 0,3% v.E. |
| Mounting threads | G½" |
| Material | Housing: polycarbonate Sensor tube: stainless steel 1.4301 / 1.4404 |
| Installation length | 220mm |
| Diameter | 10mm |
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