Keller pressure sensors

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Piezoresistive Pressure Sensors

These pressure sensors have inside a piezoresistive resistor bridge. The chip is into a oil bath separate from the fluid with a plated steel membrane. These sensors have a plated steel body inox AISI316L. They are available with female connection and automotive Packard electrical connection with 4..20mA output signal, or with male connection and 2m cable electrical connection. There are other configurations with high precision on request. You can downloaded the data sheets after registering at our web site.

For the technical characteristics, the data sheets that can be downloaded (see below) after registering on our website are valid

File: (21Y datasheet)
File: (23SY datasheet)
File: (33X datasheet)
File: (PD39X datasheet)
File: (PD23X datasheet)

Series	Code	Gauge pressure	Output signal	Mechanical attachment	Electrical attachment
21 Y	A000015743	-1..12bar	4..20mA	7/16” 20UNF	Packard
21 Y	A000015737	0..30bar	4..20mA	7/16” 20UNF	Packard
21 Y	A000015740	0..50bar	4..20mA	7/16” 20UNF	Packard
21 Y	A000015744	0..15 bar	4..20mA	7/16” 20UNF	Packard
21 Y	A000013381	0..16 bar	4..20mA	G1/4'' MA	Packard
21 Y	A000015712	0..20 bar	4..20mA	7/16” 20UNF	3m Cable
21 Y	A000013699	-1..29 bar	4..20mA	7/16” 20UNF	Packard
21 Y	A000015735	0..45 bar	4..20mA	7/16” 20UNF	2m Cable
21 Y	A000013390	0..50 bar	4..20mA	7/16” 20UNF	3m Cable
21 Y	A000015751	-1..79 bar	4..20mA	7/16” 20UNF	Packard
21 Y	A000015990	0..160 bar	4..20mA	7/16” 20UNF	Packard
21Y (UL)	A000013700	0..18 bar	4..20mA	7/16” 20UNF	Packard
21Y (UL)	A000013418	0..30 bar	4..20mA	7/16” 20UNF	Packard
21Y (UL)	A000013394	0..50 bar	4..20mA	7/16” 20UNF	Packard
21C	A000013702	-1..12,8 bar	0,5-4,5V	7/16” 20UNF	Packard
21C	A000013377	0..20 bar	0,5-4,5V	7/16” 20UNF	5m Cable
PD39X (Diff.)	A000014826	0..500kPA	4..20mA	G1/4'' FE	DIN43650
PD23X (Diff.)	A000013366	0..4bar	4..20mA	G1/4'' FE	M12