HPT708 Monocrystal Silicon Differential Pressure Transmitter


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HPT708 DP transmitter for Oxygen clean sensors & instruments which have sensor cells that are dry or filled with a halocarbon oil fill, which will not burn when exposed to an ignition source in an Oxygen environment.

Application :

  • Liquid oxygen/ nitrogen/CO2 level application

  • Automatic testing system

  • Storage and fuel, Oil, Water Tank applications

  • Gas DP pressure measurement

  • Chemistry Industry level application

  • Petrochemical industry

Advantages

01 Filling fluid Halocarbon oil /100% O2 compatible
02 All media wetted parts are cleaned oil grease free
03 Improved EMC resistance and reduced installation sensitivity
04 Linearized and temperature -compensated output signal
05 Calibration of zero /Span and Turn -down
06 It can be used in areas where there is a risk that the device will be exposed to high levels of pure Oxygen

Technical Data

Pressure Range10~35KPa, 35~200KPa, 200~1000KPa, 1000~3500KPa
High port overload30...100 KPa, 100...500KPa, 500...3000KPa, 3000...10000 KPa
Low port overload20...70KPa, 70...400KPa, 400...2000KPa, 2000...7000KPa
Max Static Pressure20bar, 100bar, 200bar, 200bar
Pressure TypeGauge pressure for differential pressure measurement
AccuracyÂą0.5%F.S(Typical), Âą0.25%F.S (by customized)
Stability0.1%F.S Âą0.05%/Year, Max 0.2%F.S/Year
Working Temp-40°C~85°C or -40°C~125°C with cooling device
Storage Temp-40°C~125°C
Temperature compensation0~50°C
Medium compatibleCompatible with 316L Stainless Steel
Output4~20mA, 4~20mA + HART, 0-5V, 0~10 V, RS485 MODBUS RTU
Power Supply12~30Vdc, 15~30Vdc, 10~30Vdc
Filled oilSilicon oil or Fluorocarbon oil(suitable for oxygen/nitrogen/CO2 medium)
Zero Temp. Drift0.02%F.S/°C
Sensitivity Temp Drift0.02%F.S/°C
Electronic connectionFixed cable and water proof IP67,
DIN43650 Hirschmann Terminal Box IP65 optional
Pressure connection port1/4"-18NPT Female hose connection,
G1/4" male, G1/2" male or by customized
CertificateATEX ExiaIICT6 Explosion Proof, TUV CE and RoHS Certificates
EMC StandardEN 61326-1:2013, EN 61326-2-3:2013
EN 61000-6-2:2005, EN61000-6-4:2007+A1
Response time10ms


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