Piezoresistive Transmitters Series 22 M / 22 S - 1 Pages

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Piezoresistive Transmitters Series 22 M / 22 S

Catalog excerpts

Piezoresistive Pressure Transmitters    Series 22 M (Brass)high volume / low cost / automotive and industrial applications Series 22 S (Steel) Series 22 M 3/8”-24 UNF-2A 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 filling. The electronic circuit is fitted to the Packard plug. EMC-protection-components are mounted on the plug side, the amplifier on the sensor side. A flexible printed circuit “TAB” connects the sensor 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. Pressure Ranges PAA: Absolute. Zero at vacuum PA: Sealed Gauge. 1000 mbar absolute Type Supply Output Accuracy (Comp. Temp. Isolation Vibration / Shock Response Time Pressure Connection EMC Homologation Protection Weight Options 2-Wire 8.28 V 4.20 mA Range) ± 1 %FS (0.50 °C) ± 2 %FS (0.80 °C) ± 4 %FS (-40.125 °C) > 10 MC @ 50 VDC 10 g / 5.2000 Hz, axes X/Y/Z / 20 g sine 11 ms (0.99%) < 10 msec 3/8”-24 UNF-2A (with O-ring1), 7/16”-20 UNF (female), G1/4” (with O-ring1) EN 61000-6-1 to -6-4 / EN 61326-2-3 E4-110R, E4-10R and E4-67R (Homologation applies only to selected and authorised products) IP67 = 40 g Intermediate ranges, customer-specific housings, mating plug with cable C€ KELLER AG fur Druckmesstechnik CH-8404 Winterthur +41 52 235 25 25 E info@keller-druck.com KELLER Ges. fur Druckmesstechnik D-79798 Jestetten +49 7745 9214 0 H eurocenter@keller-druck.com Edition 09/2015 Subject to alterations Companies approved to ISO 9001 www.keller-druck.com

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