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          Compact Pressure SensorAP-50 series

          AP-51

          Main Unit, Negative-pressure Type, -101.3 kPa, NPN

          SPECIFICATIONS

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          Model

          AP-51

          Type

          Negative pressure type, NPN*1

          Rated pressure

          0 to -101.3 kPa (0 to -760 mmHg)*2

          Fluid type

          Gases and liquids compatible with SUS630 and SUS304

          Type of pressure

          Gage pressure

          Display

          4-digit 7-segment LED (character height: 8 mm)

          Repeatability

          ±0.5 % of F.S. ± 1 digit or less

          Response

          5 ms

          Display resolution

          0.1 kPa, 0.5 mmHg, 0.01 PSI, 0.001 bar*2

          Detectable pressure range

          -15 to +120 % of F.S. from the 0-point adjustment position*3

          I/O

          Control output

          Maximum NPN open-collector output: 100 mA (40 V or less), residual voltage: 1 V or less, 2 outputs (N.O./N.C. switchable)

          Rating

          Power voltage

          12 to 24 VDC ±10 %, Ripple (P-P) 10 % or less

          Current consumption

          75 mA or less

          Environmental resistance

          Enclosure rating

          IP67

          Pressure resistance

          490 kPa (5 kgf/cm2)*2

          Ambient temperature

          -10 to +50 °C 14 to 122 °F

          Relative humidity

          35 to 85 % RH (No freezing and No condensation)

          Vibration resistance

          10 to 55 Hz, Double amplitude 1.5 mm 0.06", 2 hours in each of the X, Y, and Z directions

          Shock resistance

          100 m/s2, 3 times in each of the X, Y, and Z directions

          Material

          Liquid contact section: SUS630 and SUS304, case: PBT die-cast zinc

          Weight

          Approx. 185 g (with 2 m cable)

          *1 The negative pressure type displays positive values when negative pressure is detected and displays negative values when positive pressure is detected. (Example: When -50.0 kPa is detected, 50.0 kPa is displayed.)
          *2 According to the Measurement Act, we are changing to types that only display units of Pa.
          *3 The unit can be selected from MPa, kgf/cm2, mmHg, Psi, and bar.

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