Nexisense WPCH11 General Purpose Ceramic Pressure Transmitter: A Reliable Pressure Measurement Solution

Product Overview

Nexisense WPCH11 general-purpose ceramic pressure transmitter is designed for industrial environments, combining compact size with practical performance. It uses a self-developed ceramic pressure sensing core, along with a highly reliable amplification circuit and precise temperature compensation, to directly convert medium pressure into standard voltage or current output signals. The overall structure features an integrated stainless steel housing combined with high-strength plastic components, enhancing corrosion resistance while maintaining a lightweight design.

In practical engineering applications, many devices have limited installation space, and traditional transmitters are often too large to install conveniently. The compact design of WPCH11 effectively solves this problem while maintaining stable signal output performance. Whether for new project integration or upgrading existing equipment, it can be quickly adapted to help users achieve efficient pressure monitoring and control.

Product Features

WPCH11 focuses on practicality and convenience in its design, mainly reflected in the following aspects:

Compact size and lightweight, making it easy to install in narrow pipelines or inside equipment without occupying excessive space.

Simple and convenient installation and operation, requiring only standard process connections and electrical interfaces to complete wiring and commissioning, reducing on-site installation time.

High cost-performance ratio, meeting budget requirements while providing reliable measurement performance.

These features make it particularly suitable for batch application scenarios, such as integration in water pump control cabinets or air conditioning units.

Technical Specifications

WPCH11 offers flexible technical parameters for users to select according to actual working conditions:

Measuring range: 0–0.2MPa to 40MPa, selectable as required.

Accuracy: 0.5%FS, 1.0%FS (default), or 2.0%FS.

Output signal: 4–20mA (standard), with customizable voltage output options.

Power supply: +24VDC (standard), adjustable based on system requirements.

Process connections: G1/4, G1/2, G1/8, M20×1.5, M14×1.5, and more.

Electrical connection: Waterproof connector design ensures safe wiring.

Compensation temperature: 0–65°C (default), expandable.

Operating temperature: -20–125°C.

Safe overload: 150–200%.

Ultimate overload: 200–250%.

Long-term stability: 1%FS/year.

Response time: less than 1ms.

Housing material: 304 stainless steel, customizable.

Protection rating: IP67.

These specifications cover most industrial application requirements, allowing engineers to directly reference selection manuals for matching.

Main Application Areas

WPCH11 has been widely used across various industries, including:

Water pumps and intelligent water supply systems: Real-time monitoring of pipeline pressure to ensure stable water supply and prevent equipment damage caused by overpressure or underpressure.

Air compressor control: Accurate feedback of compressed air pressure to support automatic start-stop and energy-saving regulation.

Automotive and HVAC systems: Monitoring refrigerant or hydraulic oil pressure to ensure safe system operation.

Water treatment equipment: Suitable for corrosive media environments, supporting process control in filtration and pressurization stages.

Pneumatic and hydraulic control systems: Fast response meeting the pressure feedback requirements of precision actuators.

In addition, in small industrial automation projects, WPCH11 can also be used in fans, boiler auxiliary systems, and other scenarios, helping users build complete pressure closed-loop control systems.

Installation and Usage Guide

Proper installation is key to ensuring WPCH11 performance. For process connections, it is recommended to use matching thread specifications and apply sealing glue or gaskets to ensure leak-free installation. When using waterproof electrical connectors, attention should be paid to cable bending radius to avoid internal wire breakage caused by excessive tension.

During commissioning, first confirm that the power supply voltage is stable at 24VDC, then gradually apply pressure and observe whether the output signal changes linearly. The temperature compensation range covers most operating conditions. If the field temperature exceeds the default range, it is recommended to contact the manufacturer in advance to adjust compensation parameters.

Routine maintenance is simple: regularly check the sealing of connections to prevent direct impact of the medium on the sensor core. For long-term operation, it is recommended to record zero point and full-scale output every six months to verify whether stability remains within the specified range.

Customization Support

Nexisense provides flexible customization options for WPCH11, including range adjustment, output signal type conversion, housing material upgrades (such as 316 stainless steel), and special process connection designs. Whether for small-batch prototype validation or large-scale project deployment, customized solutions can be quickly provided according to user drawings or technical requirements, ensuring seamless system integration.

FAQ

1. How does WPCH11 integrate with PLC or DCS systems? 

The 4–20mA output signal can be directly connected to the analog input module of control systems without additional converters. Power supply and signal share a two-wire configuration, reducing wiring complexity. Engineers only need to map the current signal linearly to pressure units during programming.

2. How to select the appropriate pressure range? 

It is recommended to select a range 1.2–1.5 times higher than the actual maximum working pressure to ensure sufficient overload margin. Medium characteristics and temperature fluctuations should also be considered to avoid long-term full-scale operation. Nexisense can assist in selecting the optimal range based on provided working conditions.

3. Does high temperature affect measurement accuracy? 

The product includes a precision temperature compensation circuit covering 0–65°C, with an operating range of -20–125°C. Within the compensation range, temperature drift is effectively controlled. For temperatures beyond this range, customized compensation or additional protection measures are recommended.

4. What is the value of IP67 protection in outdoor or humid environments? 

IP67 indicates resistance to temporary immersion and dust ingress, making it suitable for outdoor pump stations, wastewater treatment areas, or near HVAC outdoor units. However, long-term submersion should still be avoided, and sealing conditions should be checked regularly.

5. How is long-term stability ensured? Is additional calibration required? 

The specified long-term stability is 1%FS/year. The ceramic sensing core and compensation circuit minimize drift. Most projects recommend zero-point calibration every 12–18 months combined with system diagnostics for reliable operation.

6. Besides 4–20mA, what output options are available? 

Customizable outputs include 0–5V, 0–10V, 1–5V, and RS485 digital signals. Users can specify interface requirements during procurement for compatibility with various automation platforms.

7. What installation precautions help avoid common failures? 

Avoid direct impact of the medium on the sensor front; control installation torque within recommended limits; add surge protection to the power circuit; ensure medium cleanliness before commissioning. These steps significantly reduce initial failure rates.

Summary

Nexisense WPCH11 general-purpose ceramic pressure transmitter features a compact structure, reliable performance, and flexible customization, providing a practical solution for pressure measurement and control in water pumps, intelligent water supply, air compressors, and water treatment applications. Whether for new projects or equipment upgrades, users benefit from convenient integration and stable operation.

If you need technical selection support, sample testing, or bulk quotations, please feel free to contact the Nexisense professional team. We will provide tailored recommendations based on your specific working conditions to support successful project implementation.