Low cost smart differential pressure transmitter with 4-20 ma Hart Protocol

• Post Date:

  Mar 24,2016

• Expiry Date:

  Mar 24,2017

• Detailed Description:

  
  
  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 cannot overstep the utmost value
  Temperature
  ambient temperature -40-85℃(When choose LCD : -20-70℃)
  Medium temperature
  -40~104℃
  Static pressure and single side overpressure
  3.45KPa(absolute pressure)~31.2MPa(gauge pressure)
  Relative humidity
  5~98%RH
  Run-up time
  less than 5 sec.
  Capability change
  Less than 0.16cm3
  Damp adjust
  0.20~25 second
  Malfunction alarming
  If occur malfunction, automatism diagnose function will output 3.9 or 21.0mA
  Configuration protection
  To avoid the datas are modified random, can utilize software or protect switch lock the record data

• Company:

  Dalian Teren Industry Instruments Co,Ltd     [ China ]        

• Contact:

  cherry

• Tel:

  86-411-83897455

• Fax:

  86-411-86703696

• Email:

  cherry@tereninstruments.com