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Flowgas TMS 300

Flowgas TMS 300

Meter for compressed air and gas including measurement section


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  • Mobile compressed air measurement

  • Flow measurement of process gases and nitrogen generators

  • Simple and inexpensive installation
  • Display head and display values rotatable by 180 ° eg in the reverse direction of flow or overhead installation
  • Measuring device removable: Dismounting of the whole measuring section is not necessary, no bypass required
  • 4 ... 20 mA output, pulse output (galvanically isolated)
  • High accuracy in the lower measuring range (ideal for leakage measurement)
  • Negligible small pressure loss
  • Gas types adjustable via software (nitrogen, oxygen, CO2, nitrous oxide, argon)
Application description

The affordable consumption counter TMS 300 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.

Due to its compact design it is possible the new cheap consumption meters TMS 300 are usable for all pressure air pipe lines, from production to consumption smallest unit ("1/4 to 2 inches). 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 e.g. Nitrogen, oxygen, CO2 be measured, too.

The installation of the meter TMS 300 is simple and fast. A particular advantage is the removable measuring unit. This allows the unit of measurement for calibration or cleaning purposes be removed quickly and easily without removing the complete measuring section.

Technichal data

Measured variables: flow (mass flow), total consumption, speed
Reference standard: 1000 mbar, 20 ° C according to DIN 1945, ISO 1217 (standard factory setting); other standard conditions at the factory.
Measuring principle: calorimetric measurement
Sensor: PT45, Pt1000
Measuring medium: air, gases
Operating temperature: -30 ... 80 ° C
Operating pressure: up to 16 bar, special version PN 40 (40 bar)
Power supply: 12 to 30 VDC ± 15% smoothed
Power consumption: max. 80 mA at 24 VDC
Analog output: 4 ... 20 mA, max. Load <500 ohms
Pulse output: 1 pulse per cubic meter or per l, pulse output potential free
Switching capacity: max. 30VDC, 20mA
Accuracy: ± 1.5% V. M., ± 0.05% FS.
Display: Flow rate in m³ / h, meters in m³; other units through the display selectable; Measured flow value max. 6 digits, counter max. to 1,999,999,999 cubic meters then jumps back to 0
Mounting thread: 1/4 ", R1 / 2", R3 / 4 "R1", R 1 1/4 "R1 1/2", R 2 "DIN EN 10226 (ISO 7-1)
Material: Stainless steel 1.4301 / 1.4404; Version with flange DIN EN 1092-1: stainless steel 1.4404