Description:
CJBP3151 differential pressure transmitter uses
reliable capacitance sensor and combines with advanced microprocessing
technology and digital capacitance measurement technology.It has a very good
reliability and longterm stability, accuracy up to 0.075%, continuous
modularity for differential pressure ,two-wire system 4-20mA with smart HART
protocal,good explosionproof structure, automatically environment temperature
compensation
Features:
HART protocol
High light LCD indicator;
Pressure Range: 0-7.5KPa to 0-41000KPa
Solid, plug-in printed circuit board
Compact structure, anti vibration
Super performance, use to measure pressure, differential pressure,liquid level, rate of flow
Application:
Itter is widely used in technical areas such as petroleum industry, chemical industry, steel and iron industry, electric power, food, papermaking industry, spinning and weaving, medicine and environmental protection and so on
Technical Data
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Output
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Analog output: two–wire 4-20mADC
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Digital output: two–wire 4-20mADC and superimposing variable digital signal accord with HART
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Powersupply
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supply voltage 12.5-45VDC
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Limitload
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Max load resistor Rmax in loop decided by the supply voltage,see the below drawing.
HART PROTOCOL require the load resistor not less than 250Ω,not more than 600Ω
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Communicationdistance
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Max 1.5 Km,multi-address communication can connect 15 smart transmitters Max.
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Display
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4digital display,4digit LCD display,pointer type.
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Explosion-proof
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ExiaII CT5;explosion suppression type
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Zerooffset
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Can positive transfer or negative transfer,but can not overstep the utmost value
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Temperature
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ambient temperature -40-85℃(When choose LCD:-20-70℃)
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Mediumtemperature
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-40～104℃
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Static pressure and single side over pressure
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3.45KPa(absolute pressure)～31.2 MPa（gauge pressure）
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Relativehumidity
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5～98%RH
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Run-uptime
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lessthan5sec.
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Capabilitychange
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Lessthan0.16cm3
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Dampadjust
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0.20～25second
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Malfunctionalarming
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Ifoccurmalfunction,automatismdiagnosefunctionwilloutput3.9or21.0mA
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Configurationprotection
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Toavoidthedatasaremodifiedrandom,canutilizesoftwareorprotectswitchlocktherecorddata
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Performance Data
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Referencecondition
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zeroisthelowerlimitandnotoffset,temperature25℃,Atmosphericpressure,24VDCpower,
siliconoil,diaphragm316L,dataadjustrangethesameastheupandlowerlimitoftherange.
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Accuracy
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±0.075～±0.1%
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Stability
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±0.1%URL/year
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Tem.influence
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±（0.05%URL＋0.15%FS＋200Pa）20℃
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Staticpressureinfluence
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zeroerror 0.1URL/6.9Mpa;Zeroerror0.1URL/1.7MPa
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Vibrationinfluence
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withstandfrequency200Hzatanydirection,arouseerror±0.05%URL
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Powerinfluence
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＜0.005%/V
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Loadinfluence
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noloadinfluence
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Mountingpositioninfluence
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about250Pazerooffset,canbeeliminateviacalibration,norangeinfluence.
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RFinterferenceinfluence
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driftis±0.1%spanintheconditionof30-1000MHzfrequencyandthemostfieldintensity10V/m
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Configuration parameter
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wettedmaterial
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Diaphragm: 316LSS,Hastelloy,MonelorTantalum
Vent/drainvalve:
316LSS,Hastelloy,MonelorTantalum
Flangeandjoint: steelcoatedwithcadmiumed,galvanizedsteel,316LSS,HastelloyO-ring: Fluorinrubber
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othermaterial
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Filled:siliconoilBolt:galvanizedsteel
Electrichousing:lowcopperandaluminiumalloy.CoverO-ring: NBR
Coating:polyesterepoxyresin
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Pressureport
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Flangeconnection:1/4-18NPT Jointpressureport：1/2-14NPT
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Electricalconnection
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Leadtubeconnection:M20X1.5、1/2-14NPT
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Weight
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3.6kg（noincludeoptionparts）
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