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230-61402 Barometric Pressure Sensors

Barometric Pressure Sensor
230-61402 Barometric Pressure Sensors
Barometric Pressure Sensor
230-61402 Barometric Pressure Sensors
Barometric Pressure Sensor in NEMA Enclosure
230-61402 Barometric Pressure Sensors
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The 230-61402 Series Barometric Pressure Sensors offer unparalleled performance and flexibility for atmospheric pressure measurement. The barometer is available in two configurations to satisfy a variety of applications; Model 230-61402L provides a 4-20 mA current output, 230-61402V provides 0-5 Vdc output. Both models offer serial output in addition to the analog signal.
Product Details

The 230-61402 Series Barometric Pressure Sensors offer unparalleled performance and flexibility for atmospheric pressure measurement. They combine high accuracy and low power over a wide range of pressures and temperatures.

The 230-61402 BP Sensor with back plate can be mounted in a NovaLynx data logger enclosure or protected in a weathertight polycarbonate enclosure.


230-61402V

Calibrated 0-5 Vdc analog output (Jumper selectable 0-2.5 Vdc)

Analog current consumption is less than 4 mA. A special “sleep” mode further reduces current draw to a few μA.

RS232 serial output included


230-61402L

Standard 4-20 mA output (Programmable 0-20 mA)

User selectable serial interfaces SDI-12, RS-232, RS-485


230-61002 Pressure Port Accessory

Measurement performance of remote barometers can be seriously impaired by the effects of wind at the barometer inlet. Ambient wind of 20 meters/second blowing over a typical barometer inlet tube can cause dynamic pressure errors as high as 3 mbar. These errors can make atmospheric pressure data useless for research and forecast purposes. The 230-61002 Pressure Port reduces dynamic pressure errors to a minimum.

Specifications

  • Pressure Range: 500 to 1100 hPa
  • Operating Temperature: -40 to +60°C
  • Digital Accuracy:* 0.2 hPa (25°C), 0.3 hPa (-40 to +60°C)
  • Analog Accuracy:** 0.05% of analog pressure range
  • Analog Temperature Dependence: 0.0017% of analog pressure range/ °C (25°C reference)
  • Long Term Stability: 0.08% FS per year
  • Update Rate: 1.8 Hz max
  • Serial Output:
    • Full duplex RS-232
    • SDI-12, half duplex RS-485 (230-61402L only)
    • 1200 to 38400 baud
    • Polled or continuous
    • ASCII text, NMEA
  • Analog Output:
    • 0 to 5000 mV, 0 to 2500 mV (230-61402V)
    • 4 to 20 mA (230-61402L)
  • Resolution:
    • Serial 0.01 hPa
    • Analog 0.025% of analog scale
  • Power: 7 to 30 Vdc
    • 230-600/601V
      • Vout, 3.6 mA
      • Sleep mode, 2.7 ìA
      • RS-232, 7.6 mA
    • 230-600/601C
      • 4-20 mA, 25 mA max
      • RS232 or RS485, 8.5 mA
      • SDI-12, 1.5 mA
  • Dimensions:
    • Sensor with backplate 3.5" L x 2.4" W x 0.8" D (90 x 60 x 20 mm)
    • Enclosure 4.7" x 4.7" x 2.25" (119 x 119 x 58 mm)
  • Weight/Shipping:
    • Sensor only 1.5 oz/1 lb (44 g/0.5 kg)
    • Sensor in enclosure 1.2 lbs/2 lbs (0.5 kg/1 kg)
  • Other: Sea-level offset

* Defined as ±1 standard deviation from NIST traceable pressure reference. Includes non-linearity, hysteresis, repeatability, and calibration uncertainty.
** Defined as ±1 standard deviation from ideal analog output. Total analog output accuracy is the root sum square of digital accuracy, analog accuracy, and analog temperature dependence.

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