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SIGNET

SIGNET, a brand of Georg Fischer, is a manufacturer of flow measurement and instrumentation products for water and process fluids. The product line centers on insertion-style paddlewheel and magnetic flowmeters, along with associated displays and totalizers. SIGNET flow sensors are designed for pipe sizes ranging from 1/2 to 36 inches, with body materials typically polypropylene and seal materials such as Viton. Output options include 4-20 mA analog signals and open-collector digital pulses, enabling integration with PLCs, SCADA systems, or standalone displays. The electronic flow totalizers (e.g., models 3-8150-1 and 3-8150-1P) provide local digital readout in gallons or liters with an accuracy of ±0.5%. These instruments are suited for water treatment, chemical dosing, cooling systems, and irrigation where reliable flow monitoring is required. SIGNET products are built to IP65 or NEMA 4X ratings for wet environments, and operate within temperature ranges up to 194°F (90°C). 3G Electric stocks a range of SIGNET flowmeters, sensor plugs, and display modules, supporting global procurement with logistics for industrial maintenance and retrofit projects. The insertion design allows hot-tap installation without system shutdown, reducing downtime during sensor replacement or calibration. SIGNET's magnetic flowmeters (e.g., 3-2551-P0-41) use no moving parts, minimizing wear in dirty or abrasive fluids. For paddlewheel models, the rotor is field-replaceable, extending service life. All units are factory-calibrated and require no onsite wet calibration, simplifying commissioning. 3G Electric provides technical datasheets and cross-reference support for selecting the correct model based on pipe size, flow range, and output signal requirements.

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Tentang SIGNET

SIGNET, a brand of Georg Fischer, is a manufacturer of flow measurement and instrumentation products for water and process fluids. The product line centers on insertion-style paddlewheel and magnetic flowmeters, along with associated displays and totalizers. SIGNET flow sensors are designed for pipe sizes ranging from 1/2 to 36 inches, with body materials typically polypropylene and seal materials such as Viton. Output options include 4-20 mA analog signals and open-collector digital pulses, enabling integration with PLCs, SCADA systems, or standalone displays. The electronic flow totalizers (e.g., models 3-8150-1 and 3-8150-1P) provide local digital readout in gallons or liters with an accuracy of ±0.5%. These instruments are suited for water treatment, chemical dosing, cooling systems, and irrigation where reliable flow monitoring is required. SIGNET products are built to IP65 or NEMA 4X ratings for wet environments, and operate within temperature ranges up to 194°F (90°C). 3G Electric stocks a range of SIGNET flowmeters, sensor plugs, and display modules, supporting global procurement with logistics for industrial maintenance and retrofit projects. The insertion design allows hot-tap installation without system shutdown, reducing downtime during sensor replacement or calibration. SIGNET's magnetic flowmeters (e.g., 3-2551-P0-41) use no moving parts, minimizing wear in dirty or abrasive fluids. For paddlewheel models, the rotor is field-replaceable, extending service life. All units are factory-calibrated and require no onsite wet calibration, simplifying commissioning. 3G Electric provides technical datasheets and cross-reference support for selecting the correct model based on pipe size, flow range, and output signal requirements.

Aplikasi Umum

  • Water treatment plants — SIGNET 3-2551-P0-41 Magmeter for raw water and effluent flow monitoring
  • Chemical dosing systems — SIGNET 3-2536-P0 paddlewheel flowmeter with open-collector output for proportional injection control
  • Cooling tower water circulation — SIGNET P51530-P0 insertion paddlewheel flowmeter for flow verification in large-diameter pipes
  • Irrigation networks — SIGNET 3-8150-1P totalizer with liter display for agricultural water metering
  • Industrial process lines — SIGNET 3-2540-1S paddlewheel flowmeter with 4-20 mA output for remote SCADA integration
  • HVAC chilled water systems — SIGNET P31536 sensor plug for flow measurement in building management systems

Pertanyaan yang Sering Diajukan

Pertanyaan umum tentang SIGNET dari 3G Electric.

What pipe sizes are compatible with SIGNET insertion flowmeters?

SIGNET insertion-style paddlewheel and magnetic flowmeters are designed for pipe sizes from 1/2 inch to 36 inches. The insertion length and fitting adapters vary by model. For example, the 3-2551-P0-41 Magmeter covers this full range. Always verify the specific model's insertion depth and fitting type (e.g., BSPT or NPT) against your pipe diameter and schedule.

What output signals do SIGNET paddlewheel flowmeters provide?

SIGNET paddlewheel flowmeters offer either a 4-20 mA analog output or an open-collector digital pulse output, depending on the model. For instance, the 3-2540-1S provides a 4-20 mA signal, while the 3-2536-P0 uses an open-collector output. The open-collector output is suitable for frequency-based totalizers or PLC pulse inputs. Both outputs are powered by 24V DC.

Can SIGNET flow totalizers be used with other brands of flow sensors?

SIGNET flow totalizers, such as the 3-8150-1 and 3-8150-1P, are designed specifically for SIGNET paddlewheel sensors. They accept the frequency output from SIGNET's paddlewheel flowmeters. While they may work with other sensors producing a compatible frequency range, 3G Electric recommends using matched SIGNET components to ensure accuracy and proper calibration.

What is the maximum operating temperature for SIGNET polypropylene flowmeters?

SIGNET polypropylene flowmeters, including the P31536 sensor plug, have a maximum operating temperature of 194°F (90°C). This limit applies to the wetted polypropylene body and Viton seals. For higher temperature fluids, alternative materials such as PVDF or metal-bodied sensors may be required. Always check the specific model's datasheet for temperature ratings.

How do I select between a SIGNET paddlewheel and magnetic flowmeter?

Choose a SIGNET paddlewheel flowmeter for clean, low-viscosity fluids like water, where moving parts are acceptable. Paddlewheel models are cost-effective and suitable for pipe sizes up to 36 inches. Select a SIGNET magnetic flowmeter (e.g., 3-2551-P0-41) for dirty, abrasive, or conductive fluids, as it has no moving parts and is less prone to fouling. Magnetic meters also offer higher accuracy in varying flow conditions.

Does 3G Electric supply SIGNET products?

Yes — 3G Electric (S) Pte. Ltd. supplies SIGNET products. We stock the SIGNET catalog and supply genuine factory-original products with full manufacturer warranty and technical support.