Fisher 2500 Pneumatic Level Controller

The Fisher 2500 Pneumatic Level Controller is a robust and reliable instrument designed for demanding industrial environments. It is ideal for liquid level, interface level, and density measurement and control applications. Featuring a simple yet durable construction, this series ensures stable and accurate control performance even during continuous operation, making it a proven solution in process control applications.

The Fisher 2500 is widely used in processes requiring precise level and density control, particularly in:

Liquid level control in tanks and process vessels

Interface measurement of two different liquids

Applications sensitive to density changes

Its high responsiveness to small specific gravity variations ensures reliable control even under low signal change conditions.

The Fisher 2500 follows a "less is more" design philosophy, with minimal moving parts to reduce wear and potential failures. A knife-edged driver bearing in the sensor and a plated brass ball bearing in the instrument case torque tube shaft provide low-friction, highly responsive, and long-lasting performance-ideal for continuous operation.

Set points, proportional valve openings, and reset adjustments can all be made using intuitive dial knobs, without the need for complex tools. This design not only simplifies operation but also reduces maintenance time and minimizes downtime.

The Fisher 2500 offers multiple mounting orientations and connection styles, with sensors capable of left- or right-hand installation, making it easy to adapt to different field layouts. The controller's action can be field-reversed between direct and reverse without any additional parts, providing exceptional flexibility.

To enhance system stability, a liquid damping orifice is standard in the lower equalizing connection of the cage sensor, reducing the impact of liquid level fluctuations. Air supply efficiency is also improved, as the relay exhausts only when the input signal changes, reducing air consumption and increasing operational efficiency.

With its rugged construction, highly responsive control performance, and versatile application options, the Fisher 2500 Pneumatic Level Controller is a reliable choice for liquid level, interface level, and density control. For more specifications or custom configurations, contact your local Emerson authorized partner for professional support.

By choosing CENTURY WEIYE, you enjoy genuine OEM products, competitive discounts, short delivery times, and an 18-month warranty. Our professional engineering team provides comprehensive technical support, ensuring reliable assistance throughout selection, installation, commissioning, and maintenance-helping every Fisher 2500 perform at its be

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