+GF+ 3-2551-P1-12 Signet Electromagnetic Flowmeter electromagnetic flowmeter

The +GF+ 3-2551-P1-12 is a precision insertion electromagnetic flowmeter from Georg Fischer Signet's renowned 2551 series, designed for reliable flow measurement of conductive liquids in industrial applications . This specific model represents a sophisticated flow measurement solution that combines no-moving-parts reliability with advanced electromagnetic technology, making it ideal for demanding process environments .

Series Identification: The Signet 2551 Electromagnetic Flowmeter Series

The 3-2551-P1-12 belongs to the Signet 2551 Series Insertion Electromagnetic Flowmeters, a family of versatile flow sensors engineered for conductive fluid applications . Key series characteristics include:

No Moving Parts: Utilizes patented electromagnetic technology eliminating wear-related failures common in mechanical flowmeters 

Wide Pipe Size Compatibility: Suitable for pipe dimensions from DN15 to DN900 (0.5 to 36 inches) 

Corrosion-Resistant Construction: All models feature chemically resistant materials for long-term stability and minimal maintenance 

Multiple Output Options: Available with frequency, digital (S3L), or 4-20 mA current outputs 

Model Number Breakdown: 3-2551-P1-12

Understanding the model numbering system is crucial for proper selection:

Code Component Meaning Description

3-2551 Series Signet 2551 Electromagnetic Flowmeter Series 

P Wetted Materials PP (Polypropylene) body with 316 Stainless Steel electrodes 

1 Pipe Size Range For pipes DN125 to DN200 (5-8 inches) 

12 Output Type 4-20 mA analog output signal 

This configuration indicates a PP/316SS insertion magneter designed for 125-200mm (5-8") pipes with 4-20 mA output capability.

Key Technical Specifications

Performance Characteristics

Flow Velocity Range: 0.05 to 10 m/s (0.16 to 32.8 ft/s) 

Pipe Size Compatibility: DN125 to DN200 (5 to 8 inches) 

Linearity: ±1% of full scale 

Repeatability: ±0.5% of reading @ 25°C 

Minimum Conductivity: 20 μS/cm 

Electrical Specifications

Power Requirements (4-20 mA model) : 21.6-26.4 VDC, 22.1 mA max 

Output Signal: 4-20 mA analog (isolated) 

Protection: Polarity reversal and short circuit protection 

Enclosure Rating: NEMA 4X/IP65 (when properly installed)