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    • By Products
      • Analytical & Density
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      • Valves
      • Vibration
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      • Wireless Communication
      • Other Products
    • By Industries
      • Aeronautical
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      • Energy
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  • Manufacturers
    • Line Card
      • Accurate Sensors Technologies
      • Action Instruments
      • Ametek
        • Ametek – Drexelbrook
        • Ametek – Gemco
        • Ametek – U.S. Gauge
        • Ametek – Hunter Spring
    • .

      • Accutech
      • CTC
      • Dimetix
      • Eaton MTL
      • Enmet-Gas Detection
      • Eurotherm
      • Elovis-GmbH
      • Foxboro
    • .

      • Greyline
      • Hardy Instruments
      • Intempco
      • J Flow Controls
      • Mac-Weld
      • Ohio Semitronics, Inc
      • OleumTech
      • Precision Digital
    • .

      • Pulsar PM
      • Ronan
      • Rotronic
      • Simark Controls Ltd.
      • Satron
      • SOR Inc.
      • SWR engineering
      • Williamson
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Pulp & Paper

Industries

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logo-optech
Optech laser

Level measurement of the wood chip stack.

Municipalities have asked paper mills to control the amount of dust during the pouring of the wood chips on the outside stack. This application is carried out with a Optech laser which allows to keeps the conveyor at a distance of 10 feet from the level of the stack. The laser allows a better control of the distance, even in rainy conditions or extreme snow. Also, it keeps the conveyor from staying stuck in the chip stack.

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29
logo-drexelbrook
Drexelbrook blocking switches

Blockage detection in the lumberyard.

All transportation and sieving of the wood chips in the lumberyard are equipped with Drexelbrook blocking switches. This system consists of an RF admittance plate installed against the wall without intrusion. The anti-coating system eliminates maintenance. This is the most used system on the market for this type of application.

logo-dimetix
Dimetix Laser

Flow measurement of wood chips on conveyors.

To obtain the tonnage of wood chips entering the factory, a Dimetix laser is used to measure the level of wood chips on the conveyor and obtain an average per hour. This is a very accurate and very repetitive level reading.

30
04
logo-cameron
Cameron pump

Hydraulic pump flow measurement.

In the lumber yard, there is a lot of hydraulic machinery. To check if the hydraulic pump is failing, a turbine is used. When the pump will fail, the flow rate will decrease and not the pressure. Flow monitoring helps plan downtimes for maintenance. This system saves on downtimes.

LogoFoxboro
Foxboro flow measurement

Flow measurement of the pulp in the black liquor section.

Flow measurement in this section of the plant is very special. The consistency is very high and the process is very corrosive. Foxboro has a AC digital technology flowmeter that works well with this particular process. The Foxboro AC digital tube has no problem reading high consistencies. For corrosion, it uses Hastelloy C conoïdal electrodes which are easier to clean and prevents clogging that this process generates.

013
04
logo-lsc
LSC refractometer

Black liquor concentration.

Before burning the black liquor in the boiler, one must know its concentration. LSC is approved for this type of application. This refractometer uses the refraction of the light to determine the concentration. It is a reliable and recognized system for this type of application.

logo-thermo
Thermo gamma system

Density measurement during caustification.

This gamma system is used to read the density of different chemicals that are components of the white and green liquor. It is an instrument with a very long lifespan and it has a very stable reading. It is not influenced by chemicals since it is mounted on the outside of the piping.

04
20
logo-drexelbrook
Drexelbrook level sensor

Level switch in high consistency pulp.

Drexelbrook has the best level sensor for high consistency pulp thanks to its anti clogging system adjusted for each application. Even if the level clogs the top of the tank, the sensor can differentiate between the clogging and the real level.

logo-optech
Optech Laser

Measuring the stretch of the paper.

Measuring the stretch of the paper is done between the third press and the dryer using a Optech laser installed at a 5 to 10 degree angle. Any variation is seen by the laser which transmits a continuous analog signal to the control system. Allows for automatic control and less breakage at the machine.

04
05
logo-dimetix
Dimetix laser

Front roll thickness of the machine.

To measure the thickness of the front winding of the paper machine before removing it, the Dimetix laser remains an inexpensive solution. Its reading is accurate and repetitive. It provides more uniform rolls.

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