Product DescriptionMacsensor DP825 micro differential pressure
transmitter adopts silicon MEMS micro pressure chip. With
temperature compensation,digital calibration, linear compensation,
signal amplification, V/I conversion and other signal processing,
temperature drift performanceand product stability has been
improved. In addition, anti-surge, reverse polarity protection and
other features improve product reliability.It is suitable for
various dry non-corrosive gas pressure or differential pressure
measurement, widely used in HVAC pipelines, pipeline flowrate
tests, clean workshops, building automatic control and other
fields.Product FeatureIndoor and outdoor differential pressure
monitoringThrough the connection between the air pressure
transmitter and the control instrument, when the indoor and
outdoor differential pressure reaches the preset upper limit, the
fan is started to decompress, and when the differential
pressure reaches the preset lower limit, the fan is turned
off. Anti-clogging filterThrough the connection of the air
pressure transmitter and the control instrument,
the differential pressure at the front and rear ends of the
pipe filter is monitored in real time, and the upper limit of the
differential pressure alarm is set to realize the
early warning of filter blockage.Product
Parameters ParameterDP825Pressure typeDifferential pressure,
gauge pressureMeasuring range0Pa~±100Pa, 500Pa .. 1000Pa;
0kPa~2kPa, 10kPa .. 100kPaAccuracy±1.0%F.S; ±0.5%F.SElectrical
wire2 wire3 wire4 wire4 wireSignal
output4mA~20mA0.5V~4.5VdcI2CRS485Power supply12V~
30Vdc5V~30Vdc3.3V~5Vdc5V~30VdcTotal current consumption23mA max
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