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Factory direct sales LCD / LED Digital display hydraulic pressure transmitter for the water treatment

The ESM2088PS pressure transmitter is a commonly used intelligent instrument in the field of industrial automation. It features a compact explosion-proof housing design, with the main body made of cast aluminum, balancing protection and lightweight requirements, and suitable for various industrial conditions. The housing uses a dual-chamber structure, effectively isolating the electronic circuits from the external environment to prevent damage to internal components from humidity and condensation, thereby enhancing equipment stability. The protection rating reaches IP65, and the explosion-proof rating meets standards such as ExiaⅡCT6 and ExdⅡCT6, making it suitable for harsh environments like corrosion-prone or flammable and explosive atmospheres.

The device is equipped with a 316L stainless steel isolation diaphragm, coupled with a diffused silicon piezoresistive core. Temperature and sensitivity compensation is completed through laser trimming technology, ensuring precise and stable measurements, with an accuracy of 0.2%-0.5% FS. The measurement range covers -0.1 to 100 MPa, capable of measuring gauge pressure and absolute pressure. The housing is fitted with standard M20×1.5 process and electrical interfaces, ensuring easy installation. It supports optional LED/LCD displays for convenient on-site observation and also supports 4-20mA, RS485, and other signal outputs, allowing direct connection to automation systems.

This transmitter has excellent vibration and shock resistance, and is widely used in industries such as petrochemical, electric power, water treatment, and metallurgy. It can reliably measure the pressure parameters of gases, liquids, and steam, with long-term operational reliability and convenient maintenance, making it an ideal choice for routine pressure monitoring in small and medium-sized factories as well as auxiliary measurement in large-scale process industries.

    Working Principle

    The diffused silicon pressure transmitter is a common type of intelligent transmitter. It uses a diffused silicon pressure sensor as the sensing element, combined with high-precision electronic components and advanced signal processing technology to convert pressure signals into standard electrical signals for output. It features a simple structure, small size, light weight, stable performance, and ease of installation and use. It is widely used in industries such as petroleum, chemical, steel, electric power, light industry, and environmental protection, and can be used to measure physical quantities such as pressure, differential pressure, liquid level, and flow.

    Product Features

    1. Using high-performance diffused silicon piezoresistive sensors

    2. Suitable for measuring the pressure of various media such as gases and liquids

    3. Wide pressure measurement range

    4. Optional digital display

    5. Multiple output signals available

    6. High sensitivity

    7. High precision

    8. High frequency response

    9. Strong anti-interference capability

    10. Good corrosion resistance

     application scenarios

    1. Smart Water Management and Water Supply Networks
    Network End Monitoring: Due to the compact size of the 2088 housing, it is very easy to install in narrow pipe shafts or residential water meter boxes. Its smart features support remote pressure data reading, helping water utilities monitor network leakage, pipe burst warnings, and water pressure balance in real time.
    Secondary Water Pump Rooms: Used for feedback control in constant pressure water supply systems. The fast response and digital communication capabilities of the smart transmitter can perfectly cooperate with variable frequency drives to achieve precise pump speed adjustments, resulting in significant energy savings.
    Fire Water Tanks/Pools Liquid Level: The liquid level height is calculated by measuring static water pressure. The intelligent diagnostic function can prevent false alarms caused by sensor failures.
    2. HVAC Systems
    Air and Water Pressure Monitoring: Widely used for monitoring static air pressure in central air conditioning ducts and pressure in chilled/hot water pipelines. Its compact design makes it easy to embed within complex air handling units.
    Building Automation System (BAS): Supports protocols such as Modbus and can be directly connected to the building control network without additional signal conversion modules, simplifying system integration and enabling centralized monitoring of pressure and energy management across floors.
    3. Petrochemical and Process Control
    Small and Medium Storage Tanks and Pipelines: Suitable for pressure monitoring of non-strongly corrosive oils and chemical raw materials. The temperature compensation function of the smart transmitter ensures measurement accuracy in outdoor environments with large temperature differences.
    Pump and Compressor Protection: Monitors pump inlet vacuum and outlet pressure to prevent cavitation or overload. Its self-diagnosis function can issue early warnings in case of sensor anomalies to avoid equipment damage.
    Water/Gas Injection Processes: In oilfield water injection systems, it is used to monitor injection pressure. The remote range adjustment function facilitates unified calibration for pressure ranges of different wells.
    4. Mechanical Manufacturing and Hydraulic/Pneumatic Systems
    Hydraulic Station Pressure Monitoring: Installed near hydraulic pump stations or actuators to monitor system pressure. Its vibration-resistant design and robust stainless steel housing adapt to harsh mechanical site environments.
    Pneumatic System Testing: Used for pressure detection at air compressor outlets, air tanks, and pneumatic pipelines, working with PLCs to realize automated control logic.
    5. Energy and Environmental Monitoring
    Boiler Flue Gas Pressure: Monitors furnace negative pressure or flue pressure to ensure combustion efficiency and safe exhaust.
    Gas Transmission Networks: Pressure monitoring for gases such as natural gas and coal gas; the smart remote transmission function meets the monitoring needs of unmanned station houses.
    6. Food and Pharmaceutical Industry (Hygienic Applications)
    Clean Pipeline Monitoring: Some 2088 series offer hygienic flanged or clamp interfaces and are made of materials compliant with food hygiene standards. They are used to monitor pressure in fermentation tanks, ingredient tanks, and transfer pipelines. Their dead-zone-free design makes them easy to clean and disinfect (CIP/SIP). ...

    Product detail

    ESM2088PS-1Product sizeWiring diagramApplication field

    Technical Specifications

    Measuring range

    -100KPA~0~100MPA

    Measuring medium

    Media compatible with 316L stainless steel

    Accuracy class

    0.5% 0.25%

    Output signal

    4-20mA (No display; LED display ; LCD display);RS485;0-10V;0-5V

    Supply voltage

    12-30VDC

    Stability

    ≤0.1%FS/YEAR

    Overload capacity

    150%

    Ambient temperature

    -30~85℃

    Medium temperature

    -40~85℃ (Normal temperature)

    -40~200℃ (High temperature)

    Installation method

    Thread ; flange ; clamp connection

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