Pulsar Guard 2010 Series - Acoustic Sensors | APM Applications & Instrumentation
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Pulsar Guard 2010 Series - Acoustic Sensors

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Pulsar Guard 2010 Series - Acoustic Sensors

Maintenance free, non-intrusive solids flow detection

The Pulsar Guard acoustic sensor range offers reliable solids flow detection. It detects and reacts instantly to changes in solids flow and warns of blockages and foreign object detection, high flow, low flow or no flow conditions and can detect pigs within the process.

The sensor provides a 0 to 10 volt output - this signal may be fed directly to a PLC or the optional control unit 2020. 

How Pulsar Guard works

The Pulsar Guard 2010 acoustic sensor detects structure borne acoustic signals caused by the movement of material. This movement causes impacts and frictional contact with a containing face, for example the inside of a pipe. The sensor is fastened to the outside of the structure and its high frequency acoustic detection picks up these signals which are often undetectable to the human ear. The high frequency allows use in environments where there is a high degree of machinery or process noise, without interference.

Simple Installation

As the acoustic sensor is completely non-intrusive there is no need to shut down the process for installation, it simply takes minutes to install and the compact design means that it can be fitted in the tightest of positions or environments.

The Pulsar Guard Acoustic Sensor Series



Operating temperature:

Power Supply:



-40°C to +85°C
(-40°F to +185°F)



High temperature environments

-40°C to +125°C
(-40°F to +257°F)



Suitable for use with Galvanically isolating barriers only. Intrinsically safe earth not required. Identified by "G" stamped on mounting tab.

-40ºC (-40ºF)
to +40ºC/+104ºF (EEx ia IIC T6) OR
to +92ºC/+197.6ºF (EEx ia IIC T4)



Suitable for use with Zener barriers only. Intrinsically safe earth connection required. Identified by "Z" stamped on mounting tab.

-40ºC (-40ºF) 
to +40ºC/+104ºF (EEx ia IIC T6) OR 
to +92ºC/+197.6ºF (EEx ia IIC T4) 



  1. Gravity chutes, feeders, pipelines, ducts and conveyor belts
  2. Bulk solids, granules, pellets, meals
  3. Feed, grain, milling, food, cement, mining, coal power, plastics
  4. High flow, low flow and no flow detection of solids
  5. Detects impending blockages
  6. Detects foreign objects within the process
  7. Process protection
  8. Burst filter bag detection
  9. Detects pump cavitation
  10. Valve leakage detection
  11. Detects 'Bridging' and 'Rat-holing' in silos
  12. Material flow/route verification
  13. Bearing failure

 Downloads Available:

1. Manual


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