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    37A Novoselkovskaya str.,
    Saint Petersburg 197375 Russia

    Reception: +7 (812) 777-50-51
    Fax: +7 (812) 600-04-49
    E-Mail: radar@radar-mms.com
    E-Mail: sales@radar-mms.com 


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      37A Novoselkovskaya str.,
      Saint Petersburg 197375 Russia

      Reception: +7 (812) 777-50-51
      Fax: +7 (812) 600-04-49
      E-Mail: radar@radar-mms.com
      E-Mail: sales@radar-mms.com 


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      • Precision Pressure Sensors
      • Precision Pressure Monitoring Equipment APKD-1

      Precision Pressure Monitoring Equipment APKD-1

      • Precision Pressure Monitoring Equipment APKD-1

      Purpose

      • high precision measurement and proportional conversion of the measured absolute pressure of liquid gaseous media into a digital binary serial code and transmitting it to the upper level system
      • measurement of outboard pressure at the diving depth of uninhabited underwater vehicles
      • measuring the distribution of pressure fields under the cavity on air-cavity vessels or under the wing of an ekranoplan (WIG)
      • measurement of water level in wells (when connected to the control unit of the atmospheric pressure sensor DADS-1 to compensate for the effect of atmospheric pressure)
      • as piezometers for monitoring the pore pressure of water in the ground

      Benefits

      • high accuracy characteristics over the entire operating temperature range up to 0.08% over the entire pressure measurement range, including the initial section
      • high resolution
      • sealed converter connector

      Scope

      • autonomous uninhabited underwater vehicles, including gliders
      • air-cavity vessels, ekranoplans (WIGs)
      • water level measurements in wells, tanks, etc.

      Principle of Operation

      Precision pressure transducers operates based on changing the resonant frequency of vibrations of high-quality quartz resonators with long-term stability of calibration characteristics, under the impact of the measured medium pressure. One control unit allows connecting up to 20 converters with a single cable with information output to the display.

      The display shows simultaneously the pressure information from 4 transducers with a sequential survey of all transducers. With external power supply for pressure transmitters, up to 31 transmitters can be connected to the control unit.

      Specifications

       

      PDS-1

      PDS-2

      Upper limit of measured pressure, MPa

      0,25; 0,6; 1,0; 2,5

      Lower limit of measured pressure, MPa

      0,06

      Maximum allowable pressure, % of full scale

      125

      Allowable reduced measurement error limits in the operating temperature range, %

      ф± 0,08

      Controlled environment

      sea water, air

      Operating temperature range, °C: sea water/fresh water

      5 to +40 / 0 to +40

      Power supply voltage, V

      5,0+0,5

      6,5+0,5

      Current consumption, mA, not more than

      145

      50

      Output signal interface

      RS-485

      Sampling period, not less than

      200

      600

      Overall dimensions

      Ø 48х148

      Weight, kg, not more than

      0,6

      Control unit specifications

      Operating temperature range, °C

      from -5 up to +40

      Power supply voltage, V (BK-1 provides power to up to 20 connected PDS)

      27±5

      Current consumption (without PDS), not more than, A

      0,2

      Overall dimensions, mm

      130х119,3х46,4

      Weight, kg, not more than

      0,35


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      37A Novoselkovskaya str.,
      Saint Petersburg 197375 Russia

      Reception: +7 (812) 777-50-51
      Fax: +7 (812) 600-04-49
      E-Mail: radar@radar-mms.com
      E-Mail: sales@radar-mms.com 


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