PCM260H Level Transmitter: High-Precision Submersible Liquid Level Monitoring Solution for Industrial and Hydrological Applications

In many industries—including industrial manufacturing, municipal water supply, and hydrological monitoring—the accuracy and stability of liquid level measurement directly influence operational efficiency, safety, and system reliability.

The PCM260H Level Transmitter, developed and manufactured by Nanjing Wotian Technology Co., Ltd., is designed to provide precise, stable, and reliable liquid level measurement even in demanding environments. With a robust stainless-steel structure, high-precision sensing technology, and convenient submersible installation, the PCM260H delivers dependable performance in both industrial and environmental monitoring applications.

Product Highlights: Precision Engineering and Durable Design

High-Precision Diffused Silicon Sensing Core

The PCM260H integrates a high-sensitivity diffused silicon piezoresistive pressure sensing core that effectively converts hydrostatic pressure into an electrical signal proportional to liquid level depth. This sensing technology ensures high measurement accuracy, excellent stability, and strong anti-interference capability, enabling reliable data acquisition even in complex operating environments.

Durable Structural Materials

The transmitter adopts an all-stainless steel structural design, providing excellent mechanical strength and corrosion resistance. In addition, a PC+ABS protective cap enhances environmental durability, allowing the device to operate reliably in a wide range of industrial and natural media conditions.

Convenient Submersible Installation

Designed for ease of use, the PCM260H features an innovative submersible installation method. Users simply immerse the transmitter into the liquid to begin measurement, eliminating complex installation procedures and significantly improving deployment efficiency.

Compact Structure with Anti-Interference Capability

The product features a compact and lightweight design, making transportation and installation simple even in space-limited environments. At the same time, the transmitter demonstrates excellent vibration and impact resistance, ensuring stable performance during long-term operation.

Long-Term Stability and Reliability

Each PCM260H unit undergoes long-term aging tests and stability screening, guaranteeing consistent performance in continuous operation. This makes the transmitter particularly suitable for harsh outdoor environments and long-term monitoring systems.

Wide Application Range: Meeting Diverse Industry Needs

The PCM260H Level Transmitter is suitable for a variety of applications that require accurate liquid level monitoring and control.

Hydrological Monitoring

The transmitter can be used for dynamic water level monitoring in rivers, lakes, and reservoirs, providing reliable data support for flood warning systems and water resource management.

Industrial Production

In industrial environments, the PCM260H enables real-time liquid level monitoring in tanks, containers, and storage systems. It is widely used in industries such as petroleum, chemical processing, and power generation, helping optimize production control processes.

Drainage and Wastewater Systems

The transmitter can also be applied in sewage lifting pumps, pumping stations, and wastewater treatment facilities, supporting efficient operation of drainage networks, sediment handling systems, and flood discharge systems.

Urban Infrastructure and Field Exploration

For municipal applications, the PCM260H helps manage urban water supply systems and supports hydrological exploration tasks in field environments, providing accurate level measurement under various conditions.

Technical Specifications and Performance Advantages

Wide Measuring Range and High Overload Capability

The transmitter offers a pressure measuring range from 10 kPa to 40 MPa, with a maximum overload capacity of up to 300% FS, making it suitable for demanding environments including hydropower plants, chemical facilities, and water supply systems.

Flexible Liquid Level Measurement Range

The standard liquid level measurement range covers 0–1 mH₂O to 20 mH₂O, with customized measurement options available for ranges above 20 mH₂O. The core measuring ranges include 35 kPa, 100 kPa, and 250 kPa, enabling flexible adaptation to different monitoring requirements.

Power Supply and Signal Output

The device supports a wide input voltage range of 9–30 V and provides a standard 4–20 mA analog output, ensuring compatibility with most industrial automation and control systems.

Strong Environmental Adaptability

The transmitter operates reliably across a wide temperature range:

• Operating temperature: -20°C to 70°C

• Medium temperature: -10°C to 70°C

This allows stable performance in both low-temperature outdoor environments and high-temperature industrial conditions.

Compatibility with Multiple Media

The PCM260H is compatible with various liquids that are chemically compatible with 304 stainless steel. Combined with the PC+ABS protective cap, the transmitter can operate safely in diverse industrial and environmental applications.

Enhanced Electrical Safety

The transmitter provides strong electrical protection features:

• Insulation resistance: ≥100 MΩ / 250 VDC

• Surge protection: 300 V

• Electrostatic protection compliant with IEC 61000-4-2 Level 3

• EMC compliance with EN61000-6-2 and EN61000-4-3

These features ensure stable operation and high electrical safety in industrial environments.

High Protection Rating

With an IP68 protection rating, the PCM260H is fully waterproof and dustproof, allowing long-term submerged operation without compromising performance.

Fast Dynamic Response

After power-on, the transmitter reaches 90% of full-scale output within ≤100 ms, enabling rapid response to liquid level changes and real-time monitoring.

Why Choose the PCM260H Level Transmitter?

Accurate and Stable Measurement

Based on diffused silicon piezoresistive pressure sensor technology, the PCM260H achieves a linear relationship between liquid level and output signal, ensuring precise measurement. Temperature drift is controlled within ±1.5% FS to ±3% FS, maintaining accuracy during long-term operation.

Easy Installation and Flexible Customization

The submersible installation design eliminates complicated setup procedures. Direct lead output simplifies wiring, while multiple housing options and customizable cable materials and lengths allow the transmitter to meet both standard and specialized application requirements.

Robust Construction for Harsh Environments

The all-stainless steel structure combined with IP68 protection provides excellent resistance to corrosion, vibration, and impact. The transmitter performs reliably in dusty, humid, or outdoor environments, and optional lightning protection models are available for regions prone to thunderstorms.

With these features, the PCM260H offers exceptional durability and a service life exceeding the industry average.

Contact Information

For further information regarding product selection, measurement accuracy, or installation guidance for the PCM260H Level Transmitter, please contact:

Website: www.wtsensor.com
Address: No.5 Wenying Road, Binjiang Development Zone, Nanjing 211161, China
E-mail: [email protected]

The professional engineering team at Nanjing Wotian Technology Co., Ltd. is available to provide one-to-one technical consultation and customized solutions tailored to specific application requirements.