FlowCERT Pulsar Open Chanel Flow Meter

The FlowCERT open channel flow meter provides comprehensive flow monitoring with data logging and control functions for a complete range of flumes and weirs. It is compatible with a range of sensors in order to create a flow metering system to suit your application.


  • Easy prompt setup
  • Standard on-board memory gives 1-year log at 10-minute intervals
  • 5 control/alarm relays
  • Flow totalisation and outputs
  • Universal flow calculation (32 setpoints)
  • Penstock control using step time
  • Modbus and Profibus options


Technical Specification


Sensor body dimensions:

235 x 184 x 120mm (9.25 x 7.24 x 4.72in)

Sensor body weight:

Nominal 1kg (2.2lbs)

Enclosure material/Description:

Polycarbonate, flame resistant to UL91

Cable entry detail:

10 cable entry knockouts, 1 x M16, 5 x M20 underside, 4 x 18mm dia (PG11) at rear

Transducer cable extensions:

2-core screened

Maximum separation:

Up to 1000m (3280ft)


Enclosure protection:

IP65 / NEMA 4X

Max. and min. temperature (electronics):

-20°C to +50°C (-4°F to +120°F)


CE approval:

Listed in the Certificate of Conformity within the manual

Flammable atmosphere approval:

Safe area: compatible with approved dB transducers



Dependent on the application and sensor used.


Dependent on the application and sensor used.

Min. & max. range:

0 - 15m (49ft). Dependent on the sensor used.

Rate response:

Fully adjustable

Echo processing:

DATEM (Digital Adaptive Tracking of Echo Movement)


Analog outputs:

2x Isolated (floating) output (to 150V) of 4-20mA or 0-20mA into 500Ω (user programmable and adjustable) 1μa resolution

Digital output:

Full Duplex RS232

Volt free contacts, number & rating:

5 form “C” (SPDT) rated at 5A at 115V/240Vac


6 digits plus 12 charact text, plus bar graph with direction indicators, remote communicator identifier and program/run/test mode indicators


Analog inputs:

Isolated (floating) input (to 150V) of 4-20mA or 0-20mA source or sink, open circuit voltage (source) 33V, 22V at 4mA, 14V at 20mA (user programmable and adjustable) 0.1% resolution

Velocity input:

Via RS485 digital communications interface


On-board programming

By integral keypad

PC programming:

Via RS232

Programming security:

Via passcode (user selectable and adjustable)

Programmed data integrity:

Via non-volatile RAM, plus backup


Power supply:

115Vac +5% / -10% 50/60Hz, 230Vac +5% / -10% 50/60Hz, 22-28Vdc, 10W maximum power (typically 6W)


100mA at 230Vac, 200mA at 115Vac

Download Datasheet: FlowCERT Pulsar Open Chanel Flow Meter

Reference: www.pulsar-pm.com

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