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          Compact Pressure SensorAP-50 series

          AP-51A

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

          SPECIFICATIONS

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          Model

          AP-51A

          Type

          Negative pressure type, NPN*1, Analog type

          Rated pressure

          0 to -101.3 kPa

          Type of pressure

          Gauge pressure, gases and liquids compatible with SUS630 and SUS304

          Display

          4-digit 7-segment LED (character height: 8 mm), display cycle: 5 times/sec.

          Repeatability

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

          Response

          5 ms

          Display resolution

          0.1 kPa

          Detectable pressure range

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

          Hysteresis

          Variable (when hysteresis mode is selected), 0.5 % of F.S. in standard mode

          I/O

          Analog output

          4 to 20 mA, maximum load resistance of 300 Ω

          Control output

          Maximum NPN open-collector output: 100 mA (40 V or less), residual voltage: 1 V or less, 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

          500 kPa

          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

          *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.)

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