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ÇöÀçÀ§Ä¡ : Home > ¾Ð·Â°è > Korins ¹× Keller Á¦Ç° > ¾Ð·Âº¯È¯±â Pressure Transmitter

Keller 25S ¾Ð·Â º¯È¯±â (´ÙÀ̾ÆÇÁ¶÷ Æ÷ÇÔ)
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Piezoresistive Transmitters Series 25 S for Industrial Applications

For low pressure measurements, high stability has previously only been achieved with large piezoresistive or ceramic capsules and stress-free, floating mountings with O-rings or seals.

However, in modern industrial applications, the increasing demand for reliability and extended lifetimes means that O-rings and seals are less and less acceptable, as they are potential causes of failure.

KELLER have now introduced a totally new production method, using a stainless steel brazing technique to give high stability and high accuracy without internal O-rings. This is the new 25 S production line (also see 23 S-line).

Class 0,25%.
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Pressure Ranges 0,2...200 bar (abs./rel.)
Output 4...20 mA
0...10 V
0,5...4,5 V
Linearity typ. ¡¾ 0,2 % FS max. ¡¾ 0,5 % FS
Stability, Range > 2 bar
Stability, Range < 2 bar
typ. 0,1 % FS
typ. 1 mbar
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max. 0,2 % FS
max. 2 mbar
Operating Temperature -40...100¡ÆC
Comp. Temp. Range -10...80¡ÆC
T.C. of Zero
(Range 1 bar)
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typ. < 0,01 %FS / ¡ÆC max. < 0,02 %FS / ¡ÆC
T.C. of Sensitivity
(Range 1 bar)
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max. 0,02 % / ¡ÆC
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