China Differential Pressure Transmitter or Pressure Transducer, Find details about China Differential Pressure Transmitter, Pressure Transmitter from Differential Pressure Transmitter or Pressure Transducer
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:-40~85ºC (When choose LCD : -20~70ºC ) Medium temperature: -40~104ºC |
Filled liquid operating temperature | Silicon oil: -29~+149ºC Inter oil: -18~+204ºC |
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/55ºC ,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/55ºC ,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 |