Original Fi-Sher 2502 Pneumatic Level Controller 2500 Series

• Customization: Available
• Customized: Customized
• Certification: CE
• Model NO.: Fi-sher 2502 Pneumatic Level Controller
• Power: Pneumatic
• Pressure: High Pressure
• Brand: F-Isher-
• Work Temperature: High Temperature
• Material: Stainless Steel
• Place of Origin: Singapore
• Brand Name: F-Isher-
• Model Number: 2502
• Warranty: 1 Year
• Product Name: Pneumatic Level Controller
• Mounting: Vertical or Horizontal Installation with Sensor
• Materials: 316 Stainless Steel Components
• Certifications: ATEX, PED, Cutr
• Environmental Rating: IP65/IP66
• Temperature Range: -40°C to +85°C Typical
• Pressure Class: Suitable for Low to Medium-Pressure Applications
• Adjustments: Manual Dial Knobs for Setpoint
• Diagnostics: No Built-in Diagnostics
• Application: Oil & Gas, Chemical
• Response Time: Fast
• Transport Package: Original
• Specification: 31cm*28cm*32cm
• Trademark: F-ISHER-
• Origin: Singapore
• HS Code: 9032810000
• Production Capacity: 800pieces/Year
• Package Size: 31.00cm * 28.00cm * 32.00cm
• Package Gross Weight: 3.000kg

Product Description

Product Description

Brand Name	Fi-sher
Model Number	2502
output	4~20 mA
Package	Carton Package

Introduction 

The Fi-sher 2502 Pneumatic Level Controller, a flagship product from Emerson's Fi-sher Controls division, is a robust and reliable pneumatic instrument designed for precise liquid level measurement and control in industrial processes. Engineered to integrate seamlessly with the Fi-sher 249 Series float sensors, this controller excels in applications requiring accurate monitoring of liquid levels or interface levels within vessels. Its rugged construction and straightforward design make it a preferred choice for industries where operational stability and minimal maintenance are paramount.

Key Features and Performance Characteristics

The Fi-sher 2502 Pneumatic Level Controller distinguishes itself through several core features that enhance its performance and reliability:

Simplified Adjustment Mechanism: The controller employs intuitive knob controls for setting parameters such as setpoints, proportional band, and reset rates. This eliminates the need for complex calibration tools, reducing setup time and operator error.

Durable Construction: Built with minimal moving parts, the device incorporates knife-edge drive bearings in the float sensor and plated brass instrument housing ball bearings in the torque tube rotary shaft. These components reduce operational friction, extending service life while maintaining precision.

Versatile Installation Options: The external float sensor supports multiple mounting configurations, including left-hand and right-hand installations. This flexibility accommodates diverse vessel designs and spatial constraints.

High Sensitivity to Density Changes: The float mechanism responds to minor variations in liquid specific gravity, enabling accurate measurements even in applications with low-level input signals or density fluctuations.
Reversible Action: The controller's mode of operation (direct or reverse acting) can be field-reversed without requiring additional parts, simplifying system modifications.
Reduced Maintenance Costs: The use of spring-wire components in the relay ports minimizes clogging, ensuring consistent performance. Additionally, the amplifier exhaust system activates only during output pressure drops, conserving air supply and lowering operational expenses.

Application Areas and Industry Relevance

The Fi-sher 2502 Pneumatic Level Controller finds extensive use across industries that demand precise liquid level management:

Water and Wastewater Treatment: Municipal water systems leverage its self-contained pressure regulation capabilities to maintain stable water supply pressures, preventing water hammer and pressure surges. The controller's corrosion-resistant materials ensure longevity in varying water qualities.

Oil and Gas: In upstream and midstream operations, the device monitors tank levels for crude oil, refined products, and chemicals. Its explosion-proof design (EX-certified) meets stringent safety standards for hazardous environments.

Chemical Processing: Facilities handling corrosive liquids benefit from the controller's compatibility with specialty alloys, such as Hastelloy, for float sensors. 

Competitive Advantages Over Rival Products

When compared to alternatives from brands like Flowserve, IMI, and Met-so, the Fi-sher 2502 Pneumatic Level Controller offers distinct advantages:

Precision and Stability: The integrated liquid damping orifice in the 249 Series float sensor stabilizes readings in vessels with limited capacity, reducing fluctuations and enabling smaller container sizes compared to competitors.

Cost-Effectiveness: The controller's pneumatic design eliminates the need for external power sources, lowering installation and energy costs. Its modular architecture simplifies spare parts management, reducing inventory expenses.

Global Service Network: Backed by Emerson's extensive service infrastructure, users gain access to 24/7 technical support, rapid spare parts delivery, and on-site maintenance—critical for minimizing downtime in remote locations.

Proven Reliability: With decades of field-proven performance, the Fi-sher 2502 has established itself as a benchmark for durability. Its adherence to industry standards, including ANSI B16.104 for leakage and IEC 534 for flow characteristics, ensures compliance with regulatory requirements.

Specification

Packing & Delivery

Company Profile

KeRui (weifang) Automation Equipment Co., Ltd. 

KeRui (weifang) Automation Equipment Co., Ltd. specializes in industrial automation instrument development, production and sales, technical services, and supportingequipment supply of specialized companies. The main products are flow meters, level meters, temperature meters, pressure meters, electrical meters, thermal intelligent meters, programmable controllers (PLC), DCS distributed control systems,and eight series of more than 1,000 specifications. Its products and technologies are widely used in electric power, metallurgy, petrochemicals, environmental textile, dyeing, and other fields.protection, plastics, food, printing, tobacco,textile, dyeing, and other fields.

Why Choose Us?

Other Products

OEM/ODM capabilities
Competitive pricing & bulk discounts
Fast shipping & customs clearance support

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Flowmeter
Level meter
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FAQ

Q: How long will you give me the reply?

A: We will reply to you as soon as we see the information

 

Q: What is the delivery time?

A:The products in stock will be shipped after receiving the payment, and the products that

need to be ordered are subject to the factory time.

 

Q: How about your package?

A: Do not worry about the package, we have rich experience in packing.

 

Q: How about the payment terms?

A:You can choose T/T.

 

Q: What is the MOQ?

A:1PC.

 

Q: Can l get a lower price if l order large quantities?

A: Yes, cheaper prices with more bigger size orders.

 

Q:After sales and warranty?

A: We provide one year warranty lifetime technical support services.