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 CR4W030 is a In-line/Insertion Flow Sensor for industrial process measurement and control. This product is designed for use in water treatment, chemical processing, and related industrial applications requiring reliable flow measurement. It is compatible with the GF Signet product ecosystem and meets industrial standards for performance and durability.

$679.89$766.00

You save 11%
Available for Purchase

Subject to factory lead times

The GF Signet CR4W030-CPVC is a In-line/Insertion Flow Sensor for industrial process measurement and control. This product is designed for use in water treatment, chemical processing, and related industrial applications requiring reliable flow measurement. It is compatible with the GF Signet product ecosystem and meets industrial standards for performance and durability. Configured with CPVC material.

$740.25$834.00

You save 11%
Available for Purchase

Subject to factory lead times

The GF Signet CR4W040 is a In-line/Insertion Flow Sensor for industrial process measurement and control. This product is designed for use in water treatment, chemical processing, and related industrial applications requiring reliable flow measurement. It is compatible with the GF Signet product ecosystem and meets industrial standards for performance and durability.

$679.89$766.00

You save 11%
Available for Purchase

Subject to factory lead times

The GF Signet CR4W040-CPVC is a In-line/Insertion Flow Sensor for industrial process measurement and control. This product is designed for use in water treatment, chemical processing, and related industrial applications requiring reliable flow measurement. It is compatible with the GF Signet product ecosystem and meets industrial standards for performance and durability. Configured with CPVC material.

$740.25$834.00

You save 11%
Available for Purchase

Subject to factory lead times

The GF Signet CR4W050 is a In-line/Insertion Flow Sensor for industrial process measurement and control. This product is designed for use in water treatment, chemical processing, and related industrial applications requiring reliable flow measurement. It is compatible with the GF Signet product ecosystem and meets industrial standards for performance and durability.

$749.12$844.00

You save 11%
Available for Purchase

Subject to factory lead times

The GF Signet CR4W050-CPVC is a In-line/Insertion Flow Sensor for industrial process measurement and control. This product is designed for use in water treatment, chemical processing, and related industrial applications requiring reliable flow measurement. It is compatible with the GF Signet product ecosystem and meets industrial standards for performance and durability. Configured with CPVC material.

$781.96$881.00

You save 11%
Available for Purchase

Subject to factory lead times

The GF Signet CR4W060 is a In-line/Insertion Flow Sensor for industrial process measurement and control. This product is designed for use in water treatment, chemical processing, and related industrial applications requiring reliable flow measurement. It is compatible with the GF Signet product ecosystem and meets industrial standards for performance and durability.

$749.12$844.00

You save 11%
Available for Purchase

Subject to factory lead times

The GF Signet CR4W060-CPVC is a In-line/Insertion Flow Sensor for industrial process measurement and control. This product is designed for use in water treatment, chemical processing, and related industrial applications requiring reliable flow measurement. It is compatible with the GF Signet product ecosystem and meets industrial standards for performance and durability. Configured with CPVC material.

$781.96$881.00

You save 11%
Available for Purchase

Subject to factory lead times

The GF Signet CR4W080 is a In-line/Insertion Flow Sensor for industrial process measurement and control. This product is designed for use in water treatment, chemical processing, and related industrial applications requiring reliable flow measurement. It is compatible with the GF Signet product ecosystem and meets industrial standards for performance and durability.

$749.12$844.00

You save 11%
Available for Purchase

Subject to factory lead times

The GF Signet CR4W080-CPVC is a In-line/Insertion Flow Sensor for industrial process measurement and control. This product is designed for use in water treatment, chemical processing, and related industrial applications requiring reliable flow measurement. It is compatible with the GF Signet product ecosystem and meets industrial standards for performance and durability. Configured with CPVC material.

$781.96$881.00

You save 11%
Available for Purchase

Subject to factory lead times

The GF Signet CR4W100 is a In-line/Insertion Flow Sensor for industrial process measurement and control. This product is designed for use in water treatment, chemical processing, and related industrial applications requiring reliable flow measurement. It is compatible with the GF Signet product ecosystem and meets industrial standards for performance and durability.

$1,275.46$1,437.00

You save 11%
Available for Purchase

Subject to factory lead times

The GF Signet CR4W120 is a In-line/Insertion Flow Sensor for industrial process measurement and control. This product is designed for use in water treatment, chemical processing, and related industrial applications requiring reliable flow measurement. It is compatible with the GF Signet product ecosystem and meets industrial standards for performance and durability.

$1,275.46$1,437.00

You save 11%
Available for Purchase

Subject to factory lead times

The GF Signet CS4012-018-A is a In-line/Insertion Flow Sensor for industrial process measurement and control. This product is designed for use in water treatment, chemical processing, and related industrial applications requiring reliable flow measurement. It is compatible with the GF Signet product ecosystem and meets industrial standards for performance and durability.

$371.01$418.00

You save 11%
Available for Purchase

Subject to factory lead times

The GF Signet CS4012-018-B is a In-line/Insertion Flow Sensor for industrial process measurement and control. This product is designed for use in water treatment, chemical processing, and related industrial applications requiring reliable flow measurement. It is compatible with the GF Signet product ecosystem and meets industrial standards for performance and durability.

$371.01$418.00

You save 11%
Available for Purchase

Subject to factory lead times

The GF Signet CS4060-A is a In-line/Insertion Flow Sensor for industrial process measurement and control. This product is designed for use in water treatment, chemical processing, and related industrial applications requiring reliable flow measurement. It is compatible with the GF Signet product ecosystem and meets industrial standards for performance and durability.

$507.70$572.00

You save 11%
Available for Purchase

Subject to factory lead times

The GF Signet CS4060-B is a In-line/Insertion Flow Sensor for industrial process measurement and control. This product is designed for use in water treatment, chemical processing, and related industrial applications requiring reliable flow measurement. It is compatible with the GF Signet product ecosystem and meets industrial standards for performance and durability.

$371.01$418.00

You save 11%
Available for Purchase

Subject to factory lead times

The GF Signet CS4090-A is a In-line/Insertion Flow Sensor for industrial process measurement and control. This product is designed for use in water treatment, chemical processing, and related industrial applications requiring reliable flow measurement. It is compatible with the GF Signet product ecosystem and meets industrial standards for performance and durability.

$371.01$418.00

You save 11%
Available for Purchase

Subject to factory lead times

The GF Signet CS4090-B is a In-line/Insertion Flow Sensor for industrial process measurement and control. This product is designed for use in water treatment, chemical processing, and related industrial applications requiring reliable flow measurement. It is compatible with the GF Signet product ecosystem and meets industrial standards for performance and durability.

$371.01$418.00

You save 11%
Available for Purchase

Subject to factory lead times

The GF Signet CS4200-260-A is a In-line/Insertion Flow Sensor for industrial process measurement and control. This product is designed for use in water treatment, chemical processing, and related industrial applications requiring reliable flow measurement. It is compatible with the GF Signet product ecosystem and meets industrial standards for performance and durability.

$371.01$418.00

You save 11%
Available for Purchase

Subject to factory lead times

The GF Signet CS4200-360-B is a In-line/Insertion Flow Sensor for industrial process measurement and control. This product is designed for use in water treatment, chemical processing, and related industrial applications requiring reliable flow measurement. It is compatible with the GF Signet product ecosystem and meets industrial standards for performance and durability.

$371.01$418.00

You save 11%
Available for Purchase

Subject to factory lead times

The GF Signet CS4380-A is a In-line/Insertion Flow Sensor for industrial process measurement and control. This product is designed for use in water treatment, chemical processing, and related industrial applications requiring reliable flow measurement. It is compatible with the GF Signet product ecosystem and meets industrial standards for performance and durability.

$371.01$418.00

You save 11%
Available for Purchase

Subject to factory lead times

The GF Signet CS4380-B is a In-line/Insertion Flow Sensor for industrial process measurement and control. This product is designed for use in water treatment, chemical processing, and related industrial applications requiring reliable flow measurement. It is compatible with the GF Signet product ecosystem and meets industrial standards for performance and durability.

$371.01$418.00

You save 11%
Available for Purchase

Subject to factory lead times

The GF Signet CS4T005 is a In-line/Insertion Flow Sensor for industrial process measurement and control. This product is designed for use in water treatment, chemical processing, and related industrial applications requiring reliable flow measurement. It is compatible with the GF Signet product ecosystem and meets industrial standards for performance and durability.

$439.36$495.00

You save 11%
Available for Purchase

Subject to factory lead times

The GF Signet CS4T005-CPVC is a In-line/Insertion Flow Sensor for industrial process measurement and control. This product is designed for use in water treatment, chemical processing, and related industrial applications requiring reliable flow measurement. It is compatible with the GF Signet product ecosystem and meets industrial standards for performance and durability. Configured with CPVC material.

$440.24$496.00

You save 11%
Available for Purchase

Subject to factory lead times

The GF Signet CR4W030 is a In-line/Insertion Flow Sensor for industrial process measurement and control. This product is designed for use in water treatment, chemical processing, and related industrial applications requiring reliable flow measurement. It is compatible with the GF Signet product ecosystem and meets industrial standards for performance and durability.

$679.89$766.00

You save 11%
Available for Purchase

Subject to factory lead times

The GF Signet CR4W030-CPVC is a In-line/Insertion Flow Sensor for industrial process measurement and control. This product is designed for use in water treatment, chemical processing, and related industrial applications requiring reliable flow measurement. It is compatible with the GF Signet product ecosystem and meets industrial standards for performance and durability. Configured with CPVC material.

$740.25$834.00

You save 11%
Available for Purchase

Subject to factory lead times

The GF Signet CR4W040 is a In-line/Insertion Flow Sensor for industrial process measurement and control. This product is designed for use in water treatment, chemical processing, and related industrial applications requiring reliable flow measurement. It is compatible with the GF Signet product ecosystem and meets industrial standards for performance and durability.

$679.89$766.00

You save 11%
Available for Purchase

Subject to factory lead times

The GF Signet CR4W040-CPVC is a In-line/Insertion Flow Sensor for industrial process measurement and control. This product is designed for use in water treatment, chemical processing, and related industrial applications requiring reliable flow measurement. It is compatible with the GF Signet product ecosystem and meets industrial standards for performance and durability. Configured with CPVC material.

$740.25$834.00

You save 11%
Available for Purchase

Subject to factory lead times

The GF Signet CR4W050 is a In-line/Insertion Flow Sensor for industrial process measurement and control. This product is designed for use in water treatment, chemical processing, and related industrial applications requiring reliable flow measurement. It is compatible with the GF Signet product ecosystem and meets industrial standards for performance and durability.

$749.12$844.00

You save 11%
Available for Purchase

Subject to factory lead times

The GF Signet CR4W050-CPVC is a In-line/Insertion Flow Sensor for industrial process measurement and control. This product is designed for use in water treatment, chemical processing, and related industrial applications requiring reliable flow measurement. It is compatible with the GF Signet product ecosystem and meets industrial standards for performance and durability. Configured with CPVC material.

$781.96$881.00

You save 11%
Available for Purchase

Subject to factory lead times

The GF Signet CR4W060 is a In-line/Insertion Flow Sensor for industrial process measurement and control. This product is designed for use in water treatment, chemical processing, and related industrial applications requiring reliable flow measurement. It is compatible with the GF Signet product ecosystem and meets industrial standards for performance and durability.

$749.12$844.00

You save 11%
Available for Purchase

Subject to factory lead times

The GF Signet CR4W060-CPVC is a In-line/Insertion Flow Sensor for industrial process measurement and control. This product is designed for use in water treatment, chemical processing, and related industrial applications requiring reliable flow measurement. It is compatible with the GF Signet product ecosystem and meets industrial standards for performance and durability. Configured with CPVC material.

$781.96$881.00

You save 11%
Available for Purchase

Subject to factory lead times

The GF Signet CR4W080 is a In-line/Insertion Flow Sensor for industrial process measurement and control. This product is designed for use in water treatment, chemical processing, and related industrial applications requiring reliable flow measurement. It is compatible with the GF Signet product ecosystem and meets industrial standards for performance and durability.

$749.12$844.00

You save 11%
Available for Purchase

Subject to factory lead times

The GF Signet CR4W080-CPVC is a In-line/Insertion Flow Sensor for industrial process measurement and control. This product is designed for use in water treatment, chemical processing, and related industrial applications requiring reliable flow measurement. It is compatible with the GF Signet product ecosystem and meets industrial standards for performance and durability. Configured with CPVC material.

$781.96$881.00

You save 11%
Available for Purchase

Subject to factory lead times

The GF Signet CR4W100 is a In-line/Insertion Flow Sensor for industrial process measurement and control. This product is designed for use in water treatment, chemical processing, and related industrial applications requiring reliable flow measurement. It is compatible with the GF Signet product ecosystem and meets industrial standards for performance and durability.

$1,275.46$1,437.00

You save 11%
Available for Purchase

Subject to factory lead times

The GF Signet CR4W120 is a In-line/Insertion Flow Sensor for industrial process measurement and control. This product is designed for use in water treatment, chemical processing, and related industrial applications requiring reliable flow measurement. It is compatible with the GF Signet product ecosystem and meets industrial standards for performance and durability.

$1,275.46$1,437.00

You save 11%
Available for Purchase

Subject to factory lead times

The GF Signet CS4012-018-A is a In-line/Insertion Flow Sensor for industrial process measurement and control. This product is designed for use in water treatment, chemical processing, and related industrial applications requiring reliable flow measurement. It is compatible with the GF Signet product ecosystem and meets industrial standards for performance and durability.

$371.01$418.00

You save 11%
Available for Purchase

Subject to factory lead times

The GF Signet CS4012-018-B is a In-line/Insertion Flow Sensor for industrial process measurement and control. This product is designed for use in water treatment, chemical processing, and related industrial applications requiring reliable flow measurement. It is compatible with the GF Signet product ecosystem and meets industrial standards for performance and durability.

$371.01$418.00

You save 11%
Available for Purchase

Subject to factory lead times

The GF Signet CS4060-A is a In-line/Insertion Flow Sensor for industrial process measurement and control. This product is designed for use in water treatment, chemical processing, and related industrial applications requiring reliable flow measurement. It is compatible with the GF Signet product ecosystem and meets industrial standards for performance and durability.

$507.70$572.00

You save 11%
Available for Purchase

Subject to factory lead times

The GF Signet CS4060-B is a In-line/Insertion Flow Sensor for industrial process measurement and control. This product is designed for use in water treatment, chemical processing, and related industrial applications requiring reliable flow measurement. It is compatible with the GF Signet product ecosystem and meets industrial standards for performance and durability.

$371.01$418.00

You save 11%
Available for Purchase

Subject to factory lead times

The GF Signet CS4090-A is a In-line/Insertion Flow Sensor for industrial process measurement and control. This product is designed for use in water treatment, chemical processing, and related industrial applications requiring reliable flow measurement. It is compatible with the GF Signet product ecosystem and meets industrial standards for performance and durability.

$371.01$418.00

You save 11%
Available for Purchase

Subject to factory lead times

The GF Signet CS4090-B is a In-line/Insertion Flow Sensor for industrial process measurement and control. This product is designed for use in water treatment, chemical processing, and related industrial applications requiring reliable flow measurement. It is compatible with the GF Signet product ecosystem and meets industrial standards for performance and durability.

$371.01$418.00

You save 11%
Available for Purchase

Subject to factory lead times

The GF Signet CS4200-260-A is a In-line/Insertion Flow Sensor for industrial process measurement and control. This product is designed for use in water treatment, chemical processing, and related industrial applications requiring reliable flow measurement. It is compatible with the GF Signet product ecosystem and meets industrial standards for performance and durability.

$371.01$418.00

You save 11%
Available for Purchase

Subject to factory lead times

The GF Signet CS4200-360-B is a In-line/Insertion Flow Sensor for industrial process measurement and control. This product is designed for use in water treatment, chemical processing, and related industrial applications requiring reliable flow measurement. It is compatible with the GF Signet product ecosystem and meets industrial standards for performance and durability.

$371.01$418.00

You save 11%
Available for Purchase

Subject to factory lead times

The GF Signet CS4380-A is a In-line/Insertion Flow Sensor for industrial process measurement and control. This product is designed for use in water treatment, chemical processing, and related industrial applications requiring reliable flow measurement. It is compatible with the GF Signet product ecosystem and meets industrial standards for performance and durability.

$371.01$418.00

You save 11%
Available for Purchase

Subject to factory lead times

The GF Signet CS4380-B is a In-line/Insertion Flow Sensor for industrial process measurement and control. This product is designed for use in water treatment, chemical processing, and related industrial applications requiring reliable flow measurement. It is compatible with the GF Signet product ecosystem and meets industrial standards for performance and durability.

$371.01$418.00

You save 11%
Available for Purchase

Subject to factory lead times

The GF Signet CS4T005 is a In-line/Insertion Flow Sensor for industrial process measurement and control. This product is designed for use in water treatment, chemical processing, and related industrial applications requiring reliable flow measurement. It is compatible with the GF Signet product ecosystem and meets industrial standards for performance and durability.

$439.36$495.00

You save 11%
Available for Purchase

Subject to factory lead times

The GF Signet CS4T005-CPVC is a In-line/Insertion Flow Sensor for industrial process measurement and control. This product is designed for use in water treatment, chemical processing, and related industrial applications requiring reliable flow measurement. It is compatible with the GF Signet product ecosystem and meets industrial standards for performance and durability. Configured with CPVC material.

$440.24$496.00

You save 11%
Available for Purchase

Subject to factory lead times