Name: Standard Pressure Transmitter - PMP-S122-H
Availability: InStock

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Standard Pressure Transmitter - PMP-S122-H

Very rugged standard pressure transmitter SPT (approved for H2) is based on a new type of two-chip technology (P2P Technology - Prignitz Microsystemtechnik patented development), which enables the highest demands on robustness and performance such as stability, vibration/shock resistance.

The piezoresistive stainless-steel measuring cell has especially been adapted to the chemical and physical properties of Hydrogen.

Patented P2P technology

For high pressures and harsh environments, steel diaphragms have proven themselves in pressure sensor technology.

The most reliable measuring principles on steel diaphragms use so-called thin film technologies or alternatively strain gage technologies. The latter are characterized by significantly higher raw signals compared to thin film technology.

Prignitz Mikrosystemtechnik uses both measurement methods. With the P2P technology Prignitz Mikrosystemtechnik has developed a unique, patented Technology that belongs to the strain gauge technologies.

The decisive and innovative difference to the competition is the use of two full bridges, which are interconnected in such a way that undesirable external force influences on the sensor signal (e.g. torques during installation) are largely compensated.

A monolithic steel body without any welding is used for this purpose.

Only one part made of solid 316L stainless steel comes into contact with the medium. As a result, this technology can also be used for hydrogen applications.

Advantages of P2P technology:

Pressure ranges from 4 bar to 1.000 bar
Accuracy: 0,5% or better
Made entirely of 316L stainless steel, no internal welding, no internal seals
T-Range: -40°C … +125°C
Customized solutions
Very high robustness against external forces

Product key features

The entire sensor consists of a single piece, which is designed to prevent embrittlement and permeation of the metal surface by ionized hydrogen.

Standard pressure transmitter PMP 122 H is also absolutely vacuum-tight and elastomer-free.

Leaks caused by material fatigue on internal seals are thus eliminated from the outset.

It has no disturbing pressure transfer fluid and no large pressurized surfaces.

The membrane has a very robust design.

Measuring cell is free from welded seams

Pressure ranges: from 4 bar to 1,000 bar

Mechanical connections:

9/16-18 UNF 6M; 1/2'-14 NPT;
1/4'-18 NPT;
G1/4'B Mano EN 837;
G1/2'B Mano EN 837;
7/16-20 UNF

Electrical connections: EN 175301-803-A, Packard Metri-Pack, M12x1 (S763), Packard Metri-Pack, Cable

Wetted parts: stainless steel 1.4404 (316L)

Response time: < 1ms

Accuracy: ≤ 0.5 % FS limit-point settings ( ≤ 0.35% FS BFSL) at 25 °C

Optionally certificate:

EX protection (ATEX, IECEx, CSA);
Up to 600 bar, EC 79/2009 Hydrogen approval

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Brand	PRIGNITZ Mikrosystemtechnik
Max Pressure (in bar)	1000
Min Pressure (in bar)	4
Max Input Voltage (in V)	32
Min Input Voltage (in V)	7
Compliant with	CE, CSA, EC79, EX, IECEx, RoHS, UKCA
Max Ambient Temperature (in °C)	105
Min Ambient Temperature (in °C)	-40

Standard Pressure Transmitter - PMP-S122-H