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AccuFlo® LPD

Mass flow meter with certified accuracy for reliable measurement with low pressure drop of gases, liquids and steam


The AccuFlo®  LPD is a high accuracy mass flow meter for accounting and fiscal transfer measurements which is also suitable for applications with extreme mechanical loads. It is optimally tailored to the applicable measuring task. Thanks to its "plug-and-play" design, one can easily install and commission it.

It is traceable to international standards and offers unique operational reliability based on the water calibration certificate of an approved body issued by a laboratory (by an ISO 17025 laboratory or an office of legal metrology). Disputes about quality of energy, mass accounts and balances are a thing of the past.

The AccuFlo® LPD offers practical advantages wherever

  • Accurate and traceable measurements outside of the jurisdiction of the measurement instrument directive are required (e.g. steam measurements),
  • A „Plug-and-Play“ solution is preferred,
  • Reliable measurement results are required even under harsh operating conditions,
  • The measurement needs to withstand pipe vibrations,
  • Minimal permanent pressure losses are required due to technological or economical reasons.



Further information

Product brochure (gas measurement system)


Product brochure (liquid measurement system)


Product brochure (steam measurement system)


Installation and operation manual


Our WebApps

The following WebApps offer helpful calculations for selecting and sizing our differential pressure sensors.

Technical specification

Measured quantity: Flow (as volume flow, mass flow, standardized volume flow, transferred heat or velocity)
Absolute Pressure
Measured fluid: Gases (with dust, water saturated, corrosive) Liquids (low viscosity)
Steam (saturated and superheated)
Temperature range: Standard: −50 … 450 °C, optional up to 500 °C
Pressure range: Standard: PN10 to PN
100 (AISI Class 150 to AISI Class 600)
Higher pressure ratings upon request
Diameter range: DN 25 to DN 300
1" to 12"
(larger diameters upon request)
Required straight inlet and outlet pipe runs: Standard: 7xD inlet, 3xD outlet (partial straight inlet and outlet pipe run are already included in the device)
Material: Flow sensor: 1.4404 (AISI 316L) or 1.5415 (ASTM A335 Grade P1/F1)
Pipe section: 1.0345 (P235GH, ASTM A 105/106), 1.4404 (AISI 316L) or 1.5415 (ASTM A335/A 182 Grade P1/F1)
Measurement range: 1:7, optional 1:40
Error limit: ±0,6 % of mass flow in the calibrated range
Zero point error: ±0,07 % of full scale in the calibrated range
Flow computer: For panel or wall mounting
TFT color display with touch screen
2 analog outputs (0)4 ... 20 mA
3 switching outputs (freely selectable function incl. alarm)
Fieldbuses (Modbus; Profibus/Profinet in preparation)
Auxiliary power 90 ... 250 V AC or 18 ... 36 V DC
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