Keller Swiss-Built Series 22DT Dual fuel pressure-temperature transmitter

Series 22 DT was developed and homologated specially for use in so-called °∞bivalent vehicles fitted with engines for combined natural gas/gasoline operation. The unconventional design with a small mass swept by the flow results in a fast response with temperature changes, the temperature being measured by an NTC or PT sensor located directly behind
the stainless steel separating diaphragm. The same diaphragm transmits pressure via a capillary to a stress-free mounted silicon measuring cell. The signal processing for pressure and temperature is carried out by an electronic module connected to the sensors by flexible conductors. Mounted to the back of the electronic module, which is directly connected to the 6-pole plug connector are the EMC protection components. A special feature is the immunity from interference from electromagnetic fields up to 200 V/m.SPECIFICATIONS
Pressure Range PA-22 DT14 bar    Sealed Gauge. Zero at atmospheric pressure (at calibration day)
Overpressure25 bar
Supply 5 V °?0,25
Output0,5 V°≠4,5V ratiometri
Temperature Range-40°≠140 °
Accuracy (compensated range)°?4 %FS(-40°≠0 °
°?2 %F (0°≠90 °,
°?4 %FS(90°≠125 °
Isolation @ 45 V10 M
Pressure ConnectionM14 x 1
Vibration250 Hz@ 35 g     2000 Hz@ 15 g, X/Y/Z-axis
EMV-ProtectionEN 61000-6-1 to -6-4
Material in Contact with MediaStainless Steel 316L (DIN 1.4435), Fluorosilicone (FVMQ)
PlugTyco AMP (6 pole) C-284716
Temperature OutputNTC, 5 k at 25 °,
ProtectionIP67
Weight36 g

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