NRG Systems

NRG BP65 Barometric Pressure Sensor

This next generation barometric pressure sensor builds on the NRG BP60’s trusted design, providing accurate measurements and lowering uncertainty.

  1.5M CABLE (#19126) 1.5M CABLE, CALIBRATED (#19127) 67M CABLE (#19128) 90M CABLE (#19129) 110M CABLE (#19130)
Description  
Sensor type n/a Analog barometric pressure sensor based on piezo resistive silicon membrane n/a Analog barometric pressure sensor based on piezo resistive silicon membrane Analog barometric pressure sensor based on piezo resistive silicon membrane
Applications n/a
  • Wind and Solar resource assessment and monitoring
  • Meteorological studies
  • Environmental monitoring
 n/a
  • Wind and Solar resource assessment and monitoring
  • Meteorological studies
  • Environmental monitoring
  • Wind and Solar resource assessment and monitoring
  • Meteorological studies
  • Environmental monitoring
Sensor range n/a
  • 500 hPa to 1100 hPa (14.765 to 32.483 inches Hg)
 n/a
  • 500 hPa to 1100 hPa (14.765 to 32.483 inches Hg)
  • 500 hPa to 1100 hPa (14.765 to 32.483 inches Hg)
Signal conditioning module n/a
  • SymphoniePRO: P-SCM #9130, 0 to 5 V, SE Input, Pulsed 5V EXC
 n/a
  • SymphoniePRO: P-SCM #9130, 0 to 5 V, SE Input, Pulsed 5V EXC
  • SymphoniePRO: P-SCM #9130, 0 to 5 V, SE Input, Pulsed 5V EXC
Input signal  
Signal type (sensor output) n/a n/a n/a
  • Linear analog voltage
 n/a
Output signal  
Signal type n/a
  • Linear analog voltage
 n/a n/a
  • Linear analog voltage
Transfer function n/a
  • Absolute Pressure in hPa = (Voltage x 243.90857 + 493.91990 typical
  • Absolute Pressure in inches Hg = (Voltage x 7.202616) + 14.585446 typical
    Note: Transfer function above applies to 1.5-meter cable. For sensors with cable lengths longer than 1.5 meters, subtract 0.015949406 hPa (0.00047098563 inHg) per additional meter.
 n/a
  • Absolute Pressure in hPa = (Voltage x 243.90857 + 493.91990 typical
  • Absolute Pressure in inches Hg = (Voltage x 7.202616) + 14.585446 typical
    Note: Transfer function above applies to 1.5-meter cable. For sensors with cable lengths longer than 1.5 meters, subtract 0.015949406 hPa (0.00047098563 inHg) per additional meter.
  • Absolute Pressure in hPa = (Voltage x 243.90857 + 493.91990 typical
  • Absolute Pressure in inches Hg = (Voltage x 7.202616) + 14.585446 typical
    Note: Transfer function above applies to 1.5-meter cable. For sensors with cable lengths longer than 1.5 meters, subtract 0.015949406 hPa (0.00047098563 inHg) per additional meter.
Accuracy n/a Uncertainty (k = 2):
  • ± 0.83 hPa (@ 25°C)
  • ± 1.83 hPa (-20 to 40°C)
 n/a Uncertainty (k = 2):
  • ± 1.12 hPa (@ 25°C)
  • ± 2.13 hPa (-20 to 40°C)
 Uncertainty (k = 2):
  • ± 1.12 hPa (@ 25°C)
  • ± 2.13 hPa (-20 to 40°C)
Electrical time constant n/a
  • 1 second
 n/a
  • 1 second
  • 1 second
Calibration n/a
  • Each sensor individually calibrated.
  • A certificate of calibration is available for each individual sensor.
  • Performed at ISO/IEC 17025:2017-certified facility.
  • Traceable to National Institute for Standards and Technology (NIST) standards.
 n/a
  • Each sensor individually tested to meet or exceed published specifications.
    A certificate of quality is available for each individual sensor.
  • Each sensor individually tested to meet or exceed published specifications.
    A certificate of quality is available for each individual sensor.
Output signal range n/a
  • 0.020 to 2.480 VDC
 n/a
  • 0.020 to 2.480 VDC
  • 0.020 to 2.480 VDC
Turn on time n/a
  • < 20 ms
 n/a
  • < 20 ms
  • < 20 ms
Resolution n/a
  • 0.0092 hPa (0.0027 inHg)
 n/a
  • 0.0092 hPa (0.0027 inHg)
  • 0.0092 hPa (0.0027 inHg)
Drift n/a
  • ± 1.0 hPa per year
 n/a
  • ± 1.0 hPa per year
  • ± 1.0 hPa per year
Power requirements  
Supply voltage n/a
  • 5 to 15 VDC
  • 5 V pulsed excitation recommended
    Note: When using a 3rd party data logger capable of pulsed excitation operation, please allow a minimum of 25ms settling time between the initial power-up and reading the sensor output voltage.
 n/a
  • 5 to 15 VDC
  • 5 V pulsed excitation recommended
    Note: When using a 3rd party data logger capable of pulsed excitation operation, please allow a minimum of 25ms settling time between the initial power-up and reading the sensor output voltage.
  • 5 to 15 VDC
  • 5 V pulsed excitation recommended
    Note: When using a 3rd party data logger capable of pulsed excitation operation, please allow a minimum of 25ms settling time between the initial power-up and reading the sensor output voltage.
Supply current n/a
  • 1.1 mA with recommended 5 V pulsed excitation,1.3 mA max
 n/a
  • 1.1 mA with recommended 5 V pulsed excitation,1.3 mA max
  • 1.1 mA with recommended 5 V pulsed excitation,1.3 mA max
Installation  
Mounting n/a
  • For maximum protection against ingress, place sensor inside data logger shelter box. Recommended but not required.
  • A hose clamp is included with each sensor to mount sensor directly to met tower beneath a data logger shelter box.
  • An optional mounting bracket is sold separately for secure mounting up-tower.
 n/a
  • For maximum protection against ingress, place sensor inside data logger shelter box. Recommended but not required.
  • A hose clamp is included with each sensor to mount sensor directly to met tower beneath a data logger shelter box.
  • An optional mounting bracket is sold separately for secure mounting up-tower.
  • For maximum protection against ingress, place sensor inside data logger shelter box. Recommended but not required.
  • A hose clamp is included with each sensor to mount sensor directly to met tower beneath a data logger shelter box.
  • An optional mounting bracket is sold separately for secure mounting up-tower.
Tools required n/a
  • 8 mm (5/16 inch) nut driver or flat blade screwdriver
 n/a
  • 8 mm (5/16 inch) nut driver or flat blade screwdriver
  • 8 mm (5/16 inch) nut driver or flat blade screwdriver
Accessories n/a
  • BP65 Mounting Bracket available for secure up-tower installations.
 n/a
  • BP65 Mounting Bracket available for secure up-tower installations.
  • BP65 Mounting Bracket available for secure up-tower installations.
Wiring n/a Wire leads:
  • Signal (clear wire)
  • Ground (black wire)Excitation (red wire)
  • Shield wire for earth ground
 n/a Wire leads:
  • Signal (clear wire)
  • Ground (black wire)Excitation (red wire)
  • Shield wire for earth ground
 Wire leads:
  • Signal (clear wire)
  • Ground (black wire)Excitation (red wire)
  • Shield wire for earth ground
Environmental  
Operating temperature range n/a
  • -40 to 70°C (-40 to 158°F)
 n/a
  • -40 to 70°C (-40 to 158°F)
  • -40 to 70°C (-40 to 158°F)
Operating humidity range n/a
  • 0 to 100% RH
 n/a
  • 0 to 100% RH
  • 0 to 100% RH
Lifespan n/a
  • 2 years +
 n/a
  • 2 years +
  • 2 years +
Other n/a
  • IP55 Rated
 n/a
  • IP55 Rated
  • IP55 Rated
Physical  
Cable length n/a
  • 1.5m (5 ft)
 n/a
  • 90m (295 ft)
  • 110m (361 ft)
Weight n/a
  • 0.12 kg (0.27 lbs)
 n/a
  • 3.41 kg (7.51 lbs)
  • 4.15 kg (9.14 lbs)
Dimensions n/a
  • 55 mm (2.15") diameter x 101 mm (4.0") tall including cable gland
 n/a
  • 55 mm (2.15") diameter x 101 mm (4.0") tall including cable gland
  • 55 mm (2.15") diameter x 101 mm (4.0") tall including cable gland
Materials  
Cable n/a
  • 3 conductor 22 AWG, with overall foil shield and drain wire, PVC jacket
 n/a
  • 3 conductor 22 AWG, with overall foil shield and drain wire, PVC jacket
  • 3 conductor 22 AWG, with overall foil shield and drain wire, PVC jacket
Enclosure n/a
  • Weatherproof black ASA
 n/a
  • Weatherproof black ASA
  • Weatherproof black ASA

NRG Systems • 110 Riggs Road • Hinesburg, Vermont 05461 • +1 802-482-2255 • info@nrgsystems.com