RET-2502/2512 PeakTwo

RET-2502/2512 PeakTwo

Optical sensor

The RET-2502 PeakTwo is an inline transmitter for measuring total consistency of 0.01 – 3% and ash consistency of 0.01 – 2% in pulp suspensions. It can be calibrated to secure stable and accurate ash consistency based on laboratory ash determination. Ash and total consistency values are independent of variation in pulp brightness or color.

  • Optimize dosage of retention chemicals and save costs
  • Tight ash and total retention control
  • Facilitates faster grade changes
  • DIP flotation optimization
  • Inline sensor without moving parts providing low costs of operation

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  • Total consistency- (0.01 – 3%) and filler (ash) consistency (0.01 – 2%) measurement
  • Optical measurement after BTG’s patented Peak method
  • Tight retention control through real time results
  • Optimize dosage of retention chemicals for cost savings and better productivity


The sensor is intended for inline installation into papermaking process lines and available with or without retraction system (RET-2512, light version). It is rated for voltages of 100 – 240 VAC at 50 Hz / 60 Hz.
Measuring range

Optical inline transmitter for 0.01 to 3 % pulp consistency and 0.01 – 2 % ash consistency.

Wetted parts are made out of stainless steel, EN 1.4404


  • Pressure PN16 (16 bar at 20°C [230 psi at 68°F])
  • Media temperature max. 120°C [248°F] – min. 5°C [41°F]
  • Flow velocity 1.5 – 5 m/s
  • pH 4 – 9

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