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  Burners > Differential measurement

            
  CONTOIL® fuel oil meters for all applications (brochure)
  Meters for heavy oil should have a nominal diameter of DN 20 or larger.
  For optimum differential measurement, two counters with the "paired calibration" option are recommended. Please note the specifications given in the CONTOIL® Technical Information brochure.
 
       
  Type of fuel Max. Burner
capacity approx.

Max. permissible error

 Counter
 Signal outputs Option To the product
<click icon>
 
  Heating oil, medium
(heavy) 1)

 200'000 kW ± 0.5% of
measured
value
 electronic
counter 		volumetric pulses
flow rate
limit switches

calibrated in pairs

  
 
  Heating oil, medium
(heavy) 1)
 200'000 kW ± 0.5% of
measured
value
 mechanical
roller counter

volumetric pulses
(optional)

calibrated in pairs

  
 
  Heavy fuel oil
 200'000 kW ± 0.1% of
measured
value
 electronic
counter 		volumetric pulses
flow rate
limit switches

calibrated in pairs

  
 
  Heavy fuel oil 200'000 kW ± 0.1% of
measured
value		 mechanical
roller counter 		volumetric pulses
(optional)

calibrated in pairs

  
 
  1) Heavy fuel oil requires a finer filter.

 
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