| | Barometric Pressure - PTB110
Overview The Vaisala BAROCAP® Barometer PTB110 is designed both for accurate barometric pressure measurements at a room temperature and for general environmental pressure monitoring over a wide temperature range. The PTB110 barometer uses the Vaisala BAROCAP® Sensor, a silicon capacitive absolute pressure sensor developed by Vaisala for barometric pressure measurement applications.
The sensor combines the outstanding elasticity characteristics and mechanical stability of single-crystal silicon with the proven capacitive detection principle. The excellent long-term stability of the barometer minimizes or even removes the need for field adjustment in many applications.
Features ► Vaisala BAROCAP® sensor ► Several pressure ranges ► Accuracy ±0.3 hPa at +20 °C ► Long-term stability ► On/off control with external trigger ► Output voltage 0 ... 2.5 or 0 ... 5 VDC ► Current consumption less than 4 mA ► Mountable on a (35 mm wide) DIN rail ► NIST traceable (certificate included) Applications
The PTB110 is suitable for a variety of applications, such as environmental pressure monitoring, data buoys, laser interferometers, and in agriculture and hydrology. The compact PTB110 is especially ideal for data logger applications as it has low power consumption. Also an external On/Off control is available. This is practical when the supply of electricity is limited.
 Specifications Measurement | Specification Range | | | Operating range (1 hPa = 1 mbar) | Pressure ranges | 500 - 1100 hPa
600 - 1100 hPa
800 - 1100 hPa
800 - 1060 hPa
600 - 1060 hPa | Total accuracy @ +20 °C | ± 0.3 hPa | Sensor | BAROCAP® | Operating environment | | Temperature range | -40- +60 °C (-40- +140 °F) | Humidity range | non-condensing | Inputs and outputs | | Operating voltage | 10 - 30 VDC | Power consumption: | | operation mode | less than 4 mA | shutdown mode | less than 1 µA | Output voltage | 0 - 2.5 VDC | | 0 - 5 VDC | Mechanics | | Weight | 90 g | Material (housing) | plastic cover, ABS/PC blend |
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