Detailed Explanation of YM-YYJ Pressure Transmitter Specifications and Parameters for Confident Model Selection

As a key sensor in the field of industrial automation，the YM-YYJ pressure transmitter uses diffused silicon technology to accurately measure liquid and gas pressure。This article will explain in detail the specifications and parameters，installation methods（such as the YM-JL installation guide）and technical performance（MSWD-MSWD11）of models such as 2200BGH-UA and AST-L0250，helping operators quickly select the right model and solve practical issues such as YM-YSBYJ principle confusion and KS-E-E-C-B04U-M-V warranty。

I、Analysis of Core Specification Parameters

The 2200BGH-UA pressure transmitter uses an original imported diffused silicon chip，with a measuring range covering 0-100MPa，accuracy up to ±0.1%FS，and operation in a wide temperature range of -40℃~125℃。Compared with the AST-L0250 model（made in Germany），its overload capacity reaches 200%FS，making it more suitable for impact environments in hydraulic systems。As shown in the TEYB-KO-KA dimensional drawing，the compact design（Φ45mm×110mm）saves installation space，while KS-E-E-C-B01M-M-V provides dual thread options of G1/2" and NPT1/2"。

II、Revealing the Principle of Diffused Silicon Technology

For the YM-YSBYJ pressure transmitter principle issue that users are concerned about，the core lies in the piezoresistive effect of monocrystalline silicon。When liquid/gas pressure acts on the sensitive diaphragm，the resistance value of the embedded Wheatstone bridge changes，and a standard signal is output after linearization by the ASIC chip。Compared with traditional ceramic capacitive sensors，diffused silicon technology（such as top-three products in the YM-LHJ manufacturer ranking）features low temperature drift（<±0.02%/℃）and high long-term stability。

III、Practical Installation and Maintenance Guide

According to the YM-JL pressure transmitter installation specifications：1) Avoid direct installation on vibration sources，and shock-absorbing brackets are recommended；2) When the medium contains particles，an isolation diaphragm must be installed；3) The cable entry of KS-E-E-C-B01M-M-V should face downward to prevent water accumulation。In terms of warranty，KS-E-E-C-B04U-M-V provides a 1-year warranty，but if maintenance space is not reserved according to the TEYB-KO-KA dimensional drawing（recommended ≥50mm），the warranty may become invalid。

IV、Model Selection Pitfall Avoidance Guide

Operators often fall into three major misunderstandings：1) Ignoring medium compatibility（for example，the 316L stainless steel of AST-L0250 is only resistant to mildly corrosive liquids）；2) Failing to consider EMC interference（MSWD-MSWD11 requires shielded cables）；3) Selecting an excessively large measuring range（it is recommended that the working pressure be within 30%-80% of the measuring range）。When purchasing，you can refer to the YM-LHJ manufacturer ranking and give priority to suppliers certified by ISO9001 and SIL2。

V、Analysis of Typical Application Scenarios

In air compressor monitoring，the 0.5ms response speed of 2200BGH-UA can capture pressure pulsations；for chemical processes，the PTFE sealing structure of MSWD-MSWD11 is recommended；while YM-YYJ has become the preferred choice for outdoor gas monitoring due to its IP67 protection rating。A case from a water treatment plant shows that correct model selection extended sensor service life from 2 years to 5 years。

VI、Technical Development Trends

The new-generation YM series has integrated IoT functions（for example，the TEYB-KO-KA model supports LoRa wireless transmission），while AST-L0250 has added AI self-diagnosis algorithms。It is recommended to pay attention to the upgraded version of KS-E-E-C-B04U-M-V with a digital twin interface，which enables predictive maintenance。

Why Choose Us?

With 15 years of experience in diffused silicon sensor R&D，we provide the full YM-YYJ series in stock（including YM-JL installation kits），and our technical support team holds ATEX certification。Contact us now to get a free model selection manual（including MSWD-MSWD11 performance curves and KS series dimensional drawings）。