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About this Manual Introduction Installation Operation Configuration Radionode365 Maintenance Customer Service
Information
HTTP Radionode
Protocol V2
Introduction
The RN400-T2PM Data Logge r p er io di ca ll y m ea su re s the
concentration of PM 2.5 partic u l ate matter (also known
as fine dust) in the atmosphere b y s ize and sends
measurement data to the Radion o d e 365 server. RN400-
T2PMcomeswithatotalof s ixI/Ochannels.
Theunitofmeasurementisμg/m³.IfChannel1measurementis
42.75, then particles 0.3 2.5 μm in size in the space of 1
meter³weigh42.75micrograms.
ThePMsizeisacumulativerange.AsasizeofPM10includesthat
of
PM2.5,themeasurementofChannel2isalwaysequaltoor
greater
thanthemeasurementofChannel1.UsetheUACalibratorprogram
toswitchthePMsizefromaccumulativerangetosegmentrange.
FormoreinformationontheUACalibrator,seeRS-485Modbus
Communicationonpage30.
IfChannel6measurementis127,thenthenumberofparticles
biggestinsizeamongotherparticlesinthespaceof1meter³is127.
OnlymeasurementsofChannels1,2and6aredisplayedasdata
intheDataLogger.UseRadionode365toseemeasurementsofall
channels.
Channel1
Channel2
Channel3
Channel4
Channel5
Channel6
AccumulativeRange SegmentRange
0.3μm≤PM2.5≤2.5μm
0.3μm≤PM10≤10μm
0.3μm≤PM0.5≤0.5μm
0.3μm≤PM1.0≤1.0μm
0.3μm≤PM4.0≤4.0μm
Numberofparticleslargest
insize
1.0μm<PM2.5≤2.5μm
4.0μm<PM10≤10μm
0.3μm<PM0.5≤0.5μm
0.5μm<PM1.0≤1.0μm
2.5μm<PM4.0≤4.0μm