Flow, pH & Conductivity Meters, Transmitters & Controllers

Centro offers a wide range of flow, pH, and conductivity meters, transmitters, and controllers to meet the demands of various industrial and commercial applications. From monitoring flow rates and maintaining chemical balance for fluid quality and consistency, our solutions are engineered for precision, reliability, and seamless integration. We provide products such as magnetic and ultrasonic flow meters, pH controllers, and conductivity transmitters designed to optimize performance in industries like water treatment, food and beverage, chemical processing, and pharmaceuticals.


Whether you need accurate measurements, durable equipment, or easy system integration, Centro has the expertise and products to support your operations. Explore our selection online or contact our team to find the right solution for your application and ensure peak system efficiency.

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The GF Signet 3-2250-11L is a Level Sensor for industrial process measurement and control. This product is designed for use in water treatment, chemical processing, and related industrial applications requiring reliable level measurement. It is compatible with the GF Signet product ecosystem and meets industrial standards for performance and durability.

$1,105.93$1,246.00

You save 11%
Available for Purchase

Subject to factory lead times

The GF Signet 3-2250-11L-1 is a Level Sensor for industrial process measurement and control. This product is designed for use in water treatment, chemical processing, and related industrial applications requiring reliable level measurement. It is compatible with the GF Signet product ecosystem and meets industrial standards for performance and durability.

$1,105.93$1,246.00

You save 11%
Available for Purchase

Subject to factory lead times

The GF Signet 3-2250-11U is a Level Sensor for industrial process measurement and control. This product is designed for use in water treatment, chemical processing, and related industrial applications requiring reliable level measurement. It is compatible with the GF Signet product ecosystem and meets industrial standards for performance and durability.

$1,105.93$1,246.00

You save 11%
Available for Purchase

Subject to factory lead times

The GF Signet 3-2250-11U-1 is a Level Sensor for industrial process measurement and control. This product is designed for use in water treatment, chemical processing, and related industrial applications requiring reliable level measurement. It is compatible with the GF Signet product ecosystem and meets industrial standards for performance and durability.

$1,105.93$1,246.00

You save 11%
Available for Purchase

Subject to factory lead times

The GF Signet 3-2250-21L is a Level Sensor for industrial process measurement and control. This product is designed for use in water treatment, chemical processing, and related industrial applications requiring reliable level measurement. It is compatible with the GF Signet product ecosystem and meets industrial standards for performance and durability.

$1,273.68$1,435.00

You save 11%
Available for Purchase

Subject to factory lead times

The GF Signet 3-2250-21L-1 is a Level Sensor for industrial process measurement and control. This product is designed for use in water treatment, chemical processing, and related industrial applications requiring reliable level measurement. It is compatible with the GF Signet product ecosystem and meets industrial standards for performance and durability.

$1,273.68$1,435.00

You save 11%
Available for Purchase

Subject to factory lead times

The GF Signet 3-2250-21U is a Level Sensor for industrial process measurement and control. This product is designed for use in water treatment, chemical processing, and related industrial applications requiring reliable level measurement. It is compatible with the GF Signet product ecosystem and meets industrial standards for performance and durability.

$1,273.68$1,435.00

You save 11%
Available for Purchase

Subject to factory lead times

The GF Signet 3-2250-21U-1 is a Level Sensor for industrial process measurement and control. This product is designed for use in water treatment, chemical processing, and related industrial applications requiring reliable level measurement. It is compatible with the GF Signet product ecosystem and meets industrial standards for performance and durability.

$1,273.68$1,435.00

You save 11%
Available for Purchase

Subject to factory lead times

The GF Signet 3-2250-21U-1-E is a Level Sensor for industrial process measurement and control. This product is designed for use in water treatment, chemical processing, and related industrial applications requiring reliable level measurement. It is compatible with the GF Signet product ecosystem and meets industrial standards for performance and durability.

$1,265.69$1,426.00

You save 11%
Available for Purchase

Subject to factory lead times

The GF Signet 2350 Turbidity Sensor provides nephelometric turbidity measurement for water clarity monitoring in treatment and process applications. Using 90° scatter detection per ISO 7027, it measures 0 to 1000 NTU with temperature compensation and S3L digital output to Signet 9900/9950 transmitters.

$453.56$511.00

You save 11%
Available for Purchase

Subject to factory lead times

The GF Signet 2350 Turbidity Sensor provides nephelometric turbidity measurement for water clarity monitoring in treatment and process applications. Using 90° scatter detection per ISO 7027, it measures 0 to 1000 NTU with temperature compensation and S3L digital output to Signet 9900/9950 transmitters.

$594.68$670.00

You save 11%
Available for Purchase

Subject to factory lead times

The GF Signet 2350 Turbidity Sensor provides nephelometric turbidity measurement for water clarity monitoring in treatment and process applications. Using 90° scatter detection per ISO 7027, it measures 0 to 1000 NTU with temperature compensation and S3L digital output to Signet 9900/9950 transmitters. This specific variant (3-2350-3-025) is configured with 25 mm insertion/cable.

$626.64$706.00

You save 11%
Available for Purchase

Subject to factory lead times

The GF Signet 2350 Turbidity Sensor provides nephelometric turbidity measurement for water clarity monitoring in treatment and process applications. Using 90° scatter detection per ISO 7027, it measures 0 to 1000 NTU with temperature compensation and S3L digital output to Signet 9900/9950 transmitters. This specific variant (3-2350-3-050) is configured with 50 mm insertion/cable.

$710.96$801.00

You save 11%
Available for Purchase

Subject to factory lead times

The GF Signet 2350 Turbidity Sensor provides nephelometric turbidity measurement for water clarity monitoring in treatment and process applications. Using 90° scatter detection per ISO 7027, it measures 0 to 1000 NTU with temperature compensation and S3L digital output to Signet 9900/9950 transmitters.

$628.41$708.00

You save 11%
Available for Purchase

Subject to factory lead times

The GF Signet 2350 Turbidity Sensor provides nephelometric turbidity measurement for water clarity monitoring in treatment and process applications. Using 90° scatter detection per ISO 7027, it measures 0 to 1000 NTU with temperature compensation and S3L digital output to Signet 9900/9950 transmitters. This specific variant (3-2350-3-U-025) is configured with 25 mm insertion/cable.

$852.08$960.00

You save 11%
Available for Purchase

Subject to factory lead times

The GF Signet 2450 Turbidity/Suspended Solids Sensor uses optical back-scatter technology to measure turbidity or suspended solids concentration from 0 to 9999 NTU or 0 to 50,000 mg/L. Designed for wastewater, industrial process water, and sludge monitoring, it outputs S3L digital signal to Signet transmitters.

$758.89$855.00

You save 11%
Available for Purchase

Subject to factory lead times

The GF Signet 2450 Turbidity/Suspended Solids Sensor uses optical back-scatter technology to measure turbidity or suspended solids concentration from 0 to 9999 NTU or 0 to 50,000 mg/L. Designed for wastewater, industrial process water, and sludge monitoring, it outputs S3L digital signal to Signet transmitters.

$758.89$855.00

You save 11%
Available for Purchase

Subject to factory lead times

The GF Signet 2450 Turbidity/Suspended Solids Sensor uses optical back-scatter technology to measure turbidity or suspended solids concentration from 0 to 9999 NTU or 0 to 50,000 mg/L. Designed for wastewater, industrial process water, and sludge monitoring, it outputs S3L digital signal to Signet transmitters.

$758.89$855.00

You save 11%
Available for Purchase

Subject to factory lead times

The GF Signet 2450 Turbidity/Suspended Solids Sensor uses optical back-scatter technology to measure turbidity or suspended solids concentration from 0 to 9999 NTU or 0 to 50,000 mg/L. Designed for wastewater, industrial process water, and sludge monitoring, it outputs S3L digital signal to Signet transmitters.

$922.20$1,039.00

You save 11%
Available for Purchase

Subject to factory lead times

The GF Signet 2450 Turbidity/Suspended Solids Sensor uses optical back-scatter technology to measure turbidity or suspended solids concentration from 0 to 9999 NTU or 0 to 50,000 mg/L. Designed for wastewater, industrial process water, and sludge monitoring, it outputs S3L digital signal to Signet transmitters. This specific variant (3-2450-7H-025) is configured with 25 mm insertion/cable.

$947.94$1,068.00

You save 11%
Available for Purchase

Subject to factory lead times

The GF Signet 2450 Turbidity/Suspended Solids Sensor uses optical back-scatter technology to measure turbidity or suspended solids concentration from 0 to 9999 NTU or 0 to 50,000 mg/L. Designed for wastewater, industrial process water, and sludge monitoring, it outputs S3L digital signal to Signet transmitters.

$971.91$1,095.00

You save 11%
Available for Purchase

Subject to factory lead times

The GF Signet 2450 Turbidity/Suspended Solids Sensor uses optical back-scatter technology to measure turbidity or suspended solids concentration from 0 to 9999 NTU or 0 to 50,000 mg/L. Designed for wastewater, industrial process water, and sludge monitoring, it outputs S3L digital signal to Signet transmitters.

$922.20$1,039.00

You save 11%
Available for Purchase

Subject to factory lead times

The GF Signet 2450 Turbidity/Suspended Solids Sensor uses optical back-scatter technology to measure turbidity or suspended solids concentration from 0 to 9999 NTU or 0 to 50,000 mg/L. Designed for wastewater, industrial process water, and sludge monitoring, it outputs S3L digital signal to Signet transmitters. This specific variant (3-2450-7L-025) is configured with 25 mm insertion/cable.

$947.94$1,068.00

You save 11%
Available for Purchase

Subject to factory lead times

The GF Signet 2450 Turbidity/Suspended Solids Sensor uses optical back-scatter technology to measure turbidity or suspended solids concentration from 0 to 9999 NTU or 0 to 50,000 mg/L. Designed for wastewater, industrial process water, and sludge monitoring, it outputs S3L digital signal to Signet transmitters. This specific variant (3-2450-7L-050) is configured with 50 mm insertion/cable.

$1,033.15$1,164.00

You save 11%
Available for Purchase

Subject to factory lead times

The GF Signet 3-2250-11L is a Level Sensor for industrial process measurement and control. This product is designed for use in water treatment, chemical processing, and related industrial applications requiring reliable level measurement. It is compatible with the GF Signet product ecosystem and meets industrial standards for performance and durability.

$1,105.93$1,246.00

You save 11%
Available for Purchase

Subject to factory lead times

The GF Signet 3-2250-11L-1 is a Level Sensor for industrial process measurement and control. This product is designed for use in water treatment, chemical processing, and related industrial applications requiring reliable level measurement. It is compatible with the GF Signet product ecosystem and meets industrial standards for performance and durability.

$1,105.93$1,246.00

You save 11%
Available for Purchase

Subject to factory lead times

The GF Signet 3-2250-11U is a Level Sensor for industrial process measurement and control. This product is designed for use in water treatment, chemical processing, and related industrial applications requiring reliable level measurement. It is compatible with the GF Signet product ecosystem and meets industrial standards for performance and durability.

$1,105.93$1,246.00

You save 11%
Available for Purchase

Subject to factory lead times

The GF Signet 3-2250-11U-1 is a Level Sensor for industrial process measurement and control. This product is designed for use in water treatment, chemical processing, and related industrial applications requiring reliable level measurement. It is compatible with the GF Signet product ecosystem and meets industrial standards for performance and durability.

$1,105.93$1,246.00

You save 11%
Available for Purchase

Subject to factory lead times

The GF Signet 3-2250-21L is a Level Sensor for industrial process measurement and control. This product is designed for use in water treatment, chemical processing, and related industrial applications requiring reliable level measurement. It is compatible with the GF Signet product ecosystem and meets industrial standards for performance and durability.

$1,273.68$1,435.00

You save 11%
Available for Purchase

Subject to factory lead times

The GF Signet 3-2250-21L-1 is a Level Sensor for industrial process measurement and control. This product is designed for use in water treatment, chemical processing, and related industrial applications requiring reliable level measurement. It is compatible with the GF Signet product ecosystem and meets industrial standards for performance and durability.

$1,273.68$1,435.00

You save 11%
Available for Purchase

Subject to factory lead times

The GF Signet 3-2250-21U is a Level Sensor for industrial process measurement and control. This product is designed for use in water treatment, chemical processing, and related industrial applications requiring reliable level measurement. It is compatible with the GF Signet product ecosystem and meets industrial standards for performance and durability.

$1,273.68$1,435.00

You save 11%
Available for Purchase

Subject to factory lead times

The GF Signet 3-2250-21U-1 is a Level Sensor for industrial process measurement and control. This product is designed for use in water treatment, chemical processing, and related industrial applications requiring reliable level measurement. It is compatible with the GF Signet product ecosystem and meets industrial standards for performance and durability.

$1,273.68$1,435.00

You save 11%
Available for Purchase

Subject to factory lead times

The GF Signet 3-2250-21U-1-E is a Level Sensor for industrial process measurement and control. This product is designed for use in water treatment, chemical processing, and related industrial applications requiring reliable level measurement. It is compatible with the GF Signet product ecosystem and meets industrial standards for performance and durability.

$1,265.69$1,426.00

You save 11%
Available for Purchase

Subject to factory lead times

The GF Signet 2350 Turbidity Sensor provides nephelometric turbidity measurement for water clarity monitoring in treatment and process applications. Using 90° scatter detection per ISO 7027, it measures 0 to 1000 NTU with temperature compensation and S3L digital output to Signet 9900/9950 transmitters.

$453.56$511.00

You save 11%
Available for Purchase

Subject to factory lead times

The GF Signet 2350 Turbidity Sensor provides nephelometric turbidity measurement for water clarity monitoring in treatment and process applications. Using 90° scatter detection per ISO 7027, it measures 0 to 1000 NTU with temperature compensation and S3L digital output to Signet 9900/9950 transmitters.

$594.68$670.00

You save 11%
Available for Purchase

Subject to factory lead times

The GF Signet 2350 Turbidity Sensor provides nephelometric turbidity measurement for water clarity monitoring in treatment and process applications. Using 90° scatter detection per ISO 7027, it measures 0 to 1000 NTU with temperature compensation and S3L digital output to Signet 9900/9950 transmitters. This specific variant (3-2350-3-025) is configured with 25 mm insertion/cable.

$626.64$706.00

You save 11%
Available for Purchase

Subject to factory lead times

The GF Signet 2350 Turbidity Sensor provides nephelometric turbidity measurement for water clarity monitoring in treatment and process applications. Using 90° scatter detection per ISO 7027, it measures 0 to 1000 NTU with temperature compensation and S3L digital output to Signet 9900/9950 transmitters. This specific variant (3-2350-3-050) is configured with 50 mm insertion/cable.

$710.96$801.00

You save 11%
Available for Purchase

Subject to factory lead times

The GF Signet 2350 Turbidity Sensor provides nephelometric turbidity measurement for water clarity monitoring in treatment and process applications. Using 90° scatter detection per ISO 7027, it measures 0 to 1000 NTU with temperature compensation and S3L digital output to Signet 9900/9950 transmitters.

$628.41$708.00

You save 11%
Available for Purchase

Subject to factory lead times

The GF Signet 2350 Turbidity Sensor provides nephelometric turbidity measurement for water clarity monitoring in treatment and process applications. Using 90° scatter detection per ISO 7027, it measures 0 to 1000 NTU with temperature compensation and S3L digital output to Signet 9900/9950 transmitters. This specific variant (3-2350-3-U-025) is configured with 25 mm insertion/cable.

$852.08$960.00

You save 11%
Available for Purchase

Subject to factory lead times

The GF Signet 2450 Turbidity/Suspended Solids Sensor uses optical back-scatter technology to measure turbidity or suspended solids concentration from 0 to 9999 NTU or 0 to 50,000 mg/L. Designed for wastewater, industrial process water, and sludge monitoring, it outputs S3L digital signal to Signet transmitters.

$758.89$855.00

You save 11%
Available for Purchase

Subject to factory lead times

The GF Signet 2450 Turbidity/Suspended Solids Sensor uses optical back-scatter technology to measure turbidity or suspended solids concentration from 0 to 9999 NTU or 0 to 50,000 mg/L. Designed for wastewater, industrial process water, and sludge monitoring, it outputs S3L digital signal to Signet transmitters.

$758.89$855.00

You save 11%
Available for Purchase

Subject to factory lead times

The GF Signet 2450 Turbidity/Suspended Solids Sensor uses optical back-scatter technology to measure turbidity or suspended solids concentration from 0 to 9999 NTU or 0 to 50,000 mg/L. Designed for wastewater, industrial process water, and sludge monitoring, it outputs S3L digital signal to Signet transmitters.

$758.89$855.00

You save 11%
Available for Purchase

Subject to factory lead times

The GF Signet 2450 Turbidity/Suspended Solids Sensor uses optical back-scatter technology to measure turbidity or suspended solids concentration from 0 to 9999 NTU or 0 to 50,000 mg/L. Designed for wastewater, industrial process water, and sludge monitoring, it outputs S3L digital signal to Signet transmitters.

$922.20$1,039.00

You save 11%
Available for Purchase

Subject to factory lead times

The GF Signet 2450 Turbidity/Suspended Solids Sensor uses optical back-scatter technology to measure turbidity or suspended solids concentration from 0 to 9999 NTU or 0 to 50,000 mg/L. Designed for wastewater, industrial process water, and sludge monitoring, it outputs S3L digital signal to Signet transmitters. This specific variant (3-2450-7H-025) is configured with 25 mm insertion/cable.

$947.94$1,068.00

You save 11%
Available for Purchase

Subject to factory lead times

The GF Signet 2450 Turbidity/Suspended Solids Sensor uses optical back-scatter technology to measure turbidity or suspended solids concentration from 0 to 9999 NTU or 0 to 50,000 mg/L. Designed for wastewater, industrial process water, and sludge monitoring, it outputs S3L digital signal to Signet transmitters.

$971.91$1,095.00

You save 11%
Available for Purchase

Subject to factory lead times

The GF Signet 2450 Turbidity/Suspended Solids Sensor uses optical back-scatter technology to measure turbidity or suspended solids concentration from 0 to 9999 NTU or 0 to 50,000 mg/L. Designed for wastewater, industrial process water, and sludge monitoring, it outputs S3L digital signal to Signet transmitters.

$922.20$1,039.00

You save 11%
Available for Purchase

Subject to factory lead times

The GF Signet 2450 Turbidity/Suspended Solids Sensor uses optical back-scatter technology to measure turbidity or suspended solids concentration from 0 to 9999 NTU or 0 to 50,000 mg/L. Designed for wastewater, industrial process water, and sludge monitoring, it outputs S3L digital signal to Signet transmitters. This specific variant (3-2450-7L-025) is configured with 25 mm insertion/cable.

$947.94$1,068.00

You save 11%
Available for Purchase

Subject to factory lead times

The GF Signet 2450 Turbidity/Suspended Solids Sensor uses optical back-scatter technology to measure turbidity or suspended solids concentration from 0 to 9999 NTU or 0 to 50,000 mg/L. Designed for wastewater, industrial process water, and sludge monitoring, it outputs S3L digital signal to Signet transmitters. This specific variant (3-2450-7L-050) is configured with 50 mm insertion/cable.

$1,033.15$1,164.00

You save 11%
Available for Purchase

Subject to factory lead times