EFM: Exhaust Flow Meter

Exhaust Flow Meter EFM, venturi principle

C151: 550 kg/h, C152: 950 kg/h

Type

Exhaust Flow Meter EFM, venturi principle C151: 550 kg/h, C152: 950 kg/h

Use Case

Measurement of the current mass flow of hot exhaust gases for

• PEMS applications
• Real Driving Emissions RDE
• EURO 7

Plug and Play

quick setup, simple operation

Flexible usage

stationary (Test bed) and mobile (PEMS) Standard interfaces: LAN (AK), CAN (dbc)

Benefits

venturi: low pressure drop

Features / description

• Exhaust Flow Meter EFM, venturi noozle
• C151: 550 kg/h @ 400°C
• C152: 950 kg/h @ 400°C
• measurement of the current mass flow of hot exhaust gases
• for PEMS applications, Real Driving Emissions RDE, Euro 7

Technical data

• up to 800°C exhaust temperature
• stainless steel tube with venturi noozle
• output rate (flow) 10 Hz .. 100 Hz
• industrial flange DN65, for fast exhaust pipe connection
• inlet path 600 mm
• measuring section 250 mm, venturi noozle
• outflow zone 150 mm
• total pressure drop 18.6 mbar at 800 kg/h, 400°C
• interfaces LAN (AK), CAN (dbc): exhaust flow, exhaust temperature, pressure
• sensors for pressure difference, absolute pressure, exhaust gas temperature
• sampling connector / Swagelok for gas measurement
• including basic calibration sheet (10 calibration points)
• venturi principle: very low setup compared to a Pitot tube
• optional: attachment for tailer hitch
• power supply 24 VDC
• dimensions diameter 65 mm, length 1000 mm @ 600 kg/h
• weight 11 kg @ 600 kg/h