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Solvent compatible +/-100mWG dp transmitter with PTFE seals

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I’m looking for differential pressure transmitters to use on Nitrogen and/or air containing low levels of flammable solvents. The most corrosive solvent present will be Methylene Chloride (Dichloromethane) vapour at 1-5 %v/v. Also Toluene, MEK, and Acetone are typically present also. PTFE seals would be ideal as Viton seals will not be suitable. The transmitter will need to be ATEX approved for zone 1, gas group IIB, temperature class T3 or better with a 4-20 milli-amp output.  The available power supply is 24Vdc.  The dp range will be -100mmWG to +100mmWG. 

The DPT200 will measure over the low range specified, and has the option for PTFE seals with all Stainless Steel 316L connection ports & diaphragm.

DPT200

DPT200 Process DP Transmitter

  • Part No: 343-A-7-I-17-L-AL-AK0-N20-0-N20-0-12-11-4-000
  • Pressure Datum: Differential Pressure
  • Pressure Range: -100 to +100mmWG
  • Display: With display
  • Output: Intrinsic safety ia 4-20mA/ 2-wire with HART
  • Accuracy: <±0.075% / FSO IEC 60770
  • Electrical Connection: Terminal clamp / M20 x 1.5 Cable Gland
  • Process Connection: Internal thread 1/4″ – 18 NPT
  • Diaphragm Material: Stainless Steel 1.4435 (316L)
  • Seal Material: PTFE
  • Special Options: None
  • Supply Voltage: 15 – 42 V dc
  • Process Connection Material: Stainless Steel 1.4301 (304)
  • Diaphragm Material: Stainless Steel 1.4435 (316L)
  • IP Rating: 67
  • Media Temperature: -40 to +100°C
  • Operating Temperature: -20 to +65°C
  • Approvals: ATEX Approval II 1/2G Ex ia IIC T4 Ga/Gb

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