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Differential Pressure Transmitter with Remote Diaphragm Seals

Product Specifications/Features
    Description:
    Universal remote control differential pressure transmitter provide several credible measure method for avoiding the medium contact the membrane of the transmitter, 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 medium, the connection need to be cleaned strictly.
    6.connection must keep clean.

    Range
    Range code
    Range
    Measuring range
    Min.
    Max.
    4
    0.374KPa
    37.4KPa
    -37.4~37.4KPa
    5
    1.868KPa
    186.8KPa
    -186.8~186.8KPa
    6
    6.9KPa
    690KPa
    -690~690KPa
    7
    20.68KPa
    2068KPa
    -2068~2068KPa
    8
    68.9KPa
    6890KPa
    -6890~6890KPa

    Technical Data
    Output
    Analog output: two –wire 4-20mADC
    Digital output: two –wire 4-20mADC and superimposing variable digital signal accord with HART
    Power supply
    supply voltage 12.5-45VDC
    Limit load
    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
    Communication distance
    Max. 1.5Km, multi-address communication can connect 15 smart transmitters Max.
    Display
    4 digital display,5 digit LCD display, pointer type.
    Explosion-proof
    ExiaIICT5;explosion suppression type
    Zero offset
    Can positive transfer or negative transfer, but can not overstep the utmost value
    Temperature
    ambient temperature -40-85℃(When choose LCD : -20-70℃)
    Medium temperature
    -40~104℃
    Filled oil operating Tem.
    Silicon oil:-29~+149℃ inert oil:-18~+204℃
    Static pressure and single side overpressure
    3.45KPa(Absolute)~13.78MPa
    Relative humidity
    5~98%RH
    Run-up time
    less than 5 sec.
    Capability change
    Less than 0.16cm3
    Damp adjust
    0.20~25 second

    Installation:



    Performance Data
    Reference condition
    In the condition : No offset, 1.53m capillary fill with silicon oil, 316SS diaphragm
    Temperature influence
    remote transmission fitting( typical) one side with(1.53m capillary remote transmission fitting)
    Flat pattern
    error is less than 0.62Kpa/55℃,capillary fill with silicon oil, the error increase 0.2 KPa along with the length increase1.53m
    Thread and Flange pattern
    error is less than 1.99Kpa/55℃,capillary fill with silicon oil, the error increase 0.62 KPa along with the length increase1.53m
    Vibration influence
    withstand frequency 200Hz at any direction, arouse error ±0.05%URL
    Power influence
    <0.005%/V
    Load influence
    no load influence
    Mounting 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


    About Us:
    Xi'an Yunyi Instrument Co., Ltd. is a professional manufacturer that engaged in the fields of pressure measurement instrument, the chief engineer Mr Tian has more than 30 years on this area, he is one of the engineers who introduced the Rosemount technology. We specializing in developing high precision pressure transmitter and pressure gauges. And we also develop temperature transmitter, level transmitter, densitometer etc. They are widely used in chemical, petroleum, paper, electricity, city gas, environmental protection, water treatment and other fields.

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