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Differential Pressure Transmitter PT-DP004

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product category: Differential Pressure Type
Model: PT-DP004
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PT-DP004 pressure and differential pressure transmitter provide several credible measure method for avoiding the medium contact the membrane of the tranmitter, application as follow.
    1.transmitter need to be isolated from high temperature medium
    2.medium is able to corrupt the sense organ of the transmitter
    3.suspension or High Viscosity medium
    4.medium would curing or crystallization
    5.If change the midium, the connection need to be cleaned strictly.
    6.connection must keep clean.

Output	Analog output: two wire 4～20mADC Digital output: two wire 4～20mADC and variable digital signal in accordance with HART AGREEMENT.
Power	supply voltage 12.5～45VDC
Limit load	Max load resistor Rmax in loop decided by the supply voltage,see the below drawing. HART AGREEMENT require the load resistor not less than 250Ω,not more than 600Ω
Communication distance	Max. 1.5Km, multi-address communication can connect 15 smart transmitters Max.
Output display	4 digital display,5 digit LCD display, pointer type.
Marking	ExiaII CT5 ;explosion-proof isolation type
Zero offset	can positive offset or negative offset,but can not overstep the utmost value
Temperature	environment temperature:-40～85℃ (When choose LCD : -20～70℃) Medium temperature: -40～104℃
Filled liquid operating temperature	Silicon oil: -29～+149℃ Inter oil: -18～+204℃
Pressure limit	Thread pattern: 3.45Kpa(Absolute)～13.78Mpa Flange pattern: 3.45Kpa(Absolute) rated pressure of Flange Plug-in pattern: 3.45Kpa(Absolute) rated pressure of Flange Flat pattern: 3.45Kpa(Absolute) rating pressure of Flange
Relative humidity	5～98%RH
Startup time	less than 5 sec
Capability change	less than 0.16cm3
Damp adjust	0.20～25sec.
Protection	To avoid the datas are modified random,can utilize software or protect switch lock the memory data.

Reference condition	In the condition : No offset, 1.53m capillary fill with silicon oil, 316SS membrane
Temperature influence	long-distance transmission fitting( typical) one side with(1.53m capillary long-distance transmission fitting)
Flat pattern	error is less than 0.62Kpa/55℃,capillary filled with silicon oil, the error increase 0.2 Kpa along with the length increased 1.53m
Hread and Flange pattern	error is less than 1.99Kpa/55℃,capillary filled with silicon oil, the error increase 0.62 Kpa along with the length increased 1.53m
Libration effect	withstand frequency 200Hz at any direction, arouse error ±0.05%URL
Power influence	0.005%/V
Load influence	no load influence
Install position influence	about 250Pa zero offset, can be eliminate via calibration,no range influence
RF interference	drift is ±0.1%span in the condition of 30-1000MHz frequency and the most field intensity 10V/m

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Differential Pressure Transmitter PT-DP004

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