Relative pressure transmitter 23SY-Ei-H2
membranepiezoresistive4-20 mA

Relative pressure transmitter - 23SY-Ei-H2   - KELLER Pressure AG - membrane / piezoresistive / 4-20 mA
Relative pressure transmitter - 23SY-Ei-H2   - KELLER Pressure AG - membrane / piezoresistive / 4-20 mA
Relative pressure transmitter - 23SY-Ei-H2   - KELLER Pressure AG - membrane / piezoresistive / 4-20 mA - image - 2
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Characteristics

Pressure type
relative
Technology
membrane, piezoresistive
Output
4-20 mA, 0-10 V
Mounting
threaded
Material
stainless steel
Protection level
intrinsically safe
Pressure range

Max.: 900 bar
(13,053.4 psi)

Min.: 0 bar
(0 psi)

Precision

0.25 %

Long-term stability

0.2 %

Process temperature

Max.: 80 °C
(176 °F)

Min.: -10 °C
(14 °F)

Description

The 23SY-Ei-H2 series is characterised by its low embrittlement rate due to the increased nickel content in the stainless steel. Thanks to a gold-plated diaphragm, H2 diffusion is also reduced to a minimum. The pressure transmitters are compensated over the entire temperature range and offer excellent long-term stability. The 23SY-Ei-H2 series products are a reliable solution with long life, high accuracy and safety to meet all hydrogen requirements. Intrinsically safe – suitable for use in explosive atmospheres.

Exhibitions

Meet this supplier at the following exhibition(s):

SPS 2026
SPS 2026

24-26 Nov 2026 Nuremberg (Germany) Hall 4A - Stand 501

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    *Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.