Atmospheric Pressure

Digital barometer MSB181

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Imagen de: Digital barometer MSB181

Barometer MSB181 developed and manufactured by MicroStep-MIS, is designed for use in meteorological and agrometeorological applications that require accurate measurement.

Features

  • Digital output
  • Fully temperature compensated
  • Accuracy ±0.3 hPa
  • Long-term stability ±0.2 hPa / year

MSB181 barometer weighs only 135 g and consumes as little as 9 mA power (nominal) while in operation. The advanced sleep mode functionality reduces the power consumption even more and provides fast startup for applications where instant pressure readings are required.

MSB181 is operable in temperature range from -40 °C to +60 °C. Users may choose either SDI-12 or RS-232 data output version. The excitation range is from 6 to 16 V DC. A 4 millimeters barbed fitting is used for pressure connection. MSB 181 comes factory calibrated with a manufacturer calibration certificate.

Operating range

Pressure range 600 to 1100 hPa (or custom)

Temperature range −40 °C to +60 °C
Storage temperature −40 °C to +60 °C

Upgrade to ISO 17025 accredited calibration optional

General

Supply voltage 6 to 16 V DC

Current consumption (active) 6 mA nominal (@12 V)
Current consumption (idle) 50 uA typ.*

Wake-up from sleep mode < 1 s
Pressure fitting fitting 4.6 mm

Minimum pressure limit 0 hPa
Maximum pressure limit 1500 hPa

Measurement principle piezoresistive transducer
Output options SDI-12, RS-485, RS-232, 2.5 V analog

Protocol ASCII, Modbus RTU
Weight 135 g / 55 g (DIN version)

*Available in SDI-12 version only

Imagen de Digital barometer MSB181

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