Keller Swiss-Built Series 22M-22S Automotive pressure transmitter
Series 22 offers a reliable cost effective solution for customers requiring medium to high quantities,
of mass produced transmitters. Utilising the KELLER automatic brazing lines, this new technology
allows crevice-free construction of the pressure port with no internal seals or O-rings, making
possible high volumes at low cost. In the brass 22 M, a steel insert and a nickel diaphragm are
brazed into a brass housing. In the steel 22 S, all parts are stainless steel (AISI 316 L). The glass
feed-through header and silicon pressure sensor are welded to the steel insert underneath the
oil illing.
The electronic circuit is itted to the Packard plug. EMC-protection-components are mounted on
the plug side, the ampliier on the sensor side. A lexible printed circuit !°TAB!± connects the senso
Series 22 M
3/8!±-24 UNF-2
with the electronics. The transmitters are designed to have exceptionally good EMC ratings and
operate over a wide temperature band, ideal for automotive, hydraulic and refrigeration control
applications.
Speciications Pressure Ranges
PAA-22 M / PAA-22 S 5 10 20 30 bar
PA-22 M / PA-22 S 5 10 20 30 50 100 200 250 bar
Overpressure 15 30 60 90 150 250 300 300 bar
PAA: Absolute. Zero at vacuum PA: Sealed Gauge. 1000 mbar absolute
Supply 5 V !à 0,25
Output 0,5 V!-4,5 V ratiometri
Accuracy (Comp. Temp.-Range) !à 1 %F (0!-50 !a
!à 2 %F (0!-80 !a
Series 22 S
7/16!±-20 UN
!à 4 %F (-40!-125 !a
Insulation @ 50 V 10 M
Vibration / Shock 10 g / 5!-2000 Hz, axes X/Y/Z / 20 g sine 11 m
Response Time (0!-99%) < 10 mse
Pressure Connection 3/8!±-24 UNF-2A (with O-ring*), 7/16!±-20 UNF (female)
G1/4!± (with O-ring*
EMC EN 61000-6-1!-4 / EN 61326-2-
Homologation E4-110R-000036 and E4-10R-020927
(only for series PA-22M, 80703.15, ratiometric, 3/8!-24 UNF-2A)
Protection IP67
Weight 40 g
Options Intermediate ranges, customer-speciic housings,
Series 22 Smating plug with cable G1/4!
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