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 3-8050-2 is a Sensor/Instrument for industrial process measurement and control. This product is designed for use in water treatment, chemical processing, and related industrial applications requiring reliable process measurement measurement. It is compatible with the GF Signet product ecosystem and meets industrial standards for performance and durability.
$202.37$228.00
Available for Purchase
Subject to factory lead times
The GF Signet 3-8050.390-1 is a Sensor/Instrument for industrial process measurement and control. This product is designed for use in water treatment, chemical processing, and related industrial applications requiring reliable process measurement measurement. It is compatible with the GF Signet product ecosystem and meets industrial standards for performance and durability.
$38.17$43.00
Available for Purchase
Subject to factory lead times
The GF Signet 3-8050.390-3 is a Sensor/Instrument for industrial process measurement and control. This product is designed for use in water treatment, chemical processing, and related industrial applications requiring reliable process measurement measurement. It is compatible with the GF Signet product ecosystem and meets industrial standards for performance and durability.
$45.27$51.00
Available for Purchase
Subject to factory lead times
The GF Signet 3-8050.390-4 is a Sensor/Instrument for industrial process measurement and control. This product is designed for use in water treatment, chemical processing, and related industrial applications requiring reliable process measurement measurement. It is compatible with the GF Signet product ecosystem and meets industrial standards for performance and durability.
$76.34$86.00
Available for Purchase
Subject to factory lead times
The GF Signet 3-8050.392 is a Sensor/Instrument for industrial process measurement and control. This product is designed for use in water treatment, chemical processing, and related industrial applications requiring reliable process measurement measurement. It is compatible with the GF Signet product ecosystem and meets industrial standards for performance and durability.
$150.89$170.00
Available for Purchase
Subject to factory lead times
The GF Signet 3-8050.395 is a Sensor/Instrument for industrial process measurement and control. This product is designed for use in water treatment, chemical processing, and related industrial applications requiring reliable process measurement measurement. It is compatible with the GF Signet product ecosystem and meets industrial standards for performance and durability.
$86.99$98.00
Available for Purchase
Subject to factory lead times
The GF Signet 3-8050.396 is a Sensor/Instrument for industrial process measurement and control. This product is designed for use in water treatment, chemical processing, and related industrial applications requiring reliable process measurement measurement. It is compatible with the GF Signet product ecosystem and meets industrial standards for performance and durability.
$114.50$129.00
Available for Purchase
Subject to factory lead times
The GF Signet 3-8050.521 is a Sensor/Instrument for industrial process measurement and control. This product is designed for use in water treatment, chemical processing, and related industrial applications requiring reliable process measurement measurement. It is compatible with the GF Signet product ecosystem and meets industrial standards for performance and durability.
$73.67$83.00
Available for Purchase
Subject to factory lead times
The GF Signet 3-8051 is a Sensor/Instrument for industrial process measurement and control. This product is designed for use in water treatment, chemical processing, and related industrial applications requiring reliable process measurement measurement. It is compatible with the GF Signet product ecosystem and meets industrial standards for performance and durability.
$94.98$107.00
Available for Purchase
Subject to factory lead times
The GF Signet 3-8051-1 is a Sensor/Instrument for industrial process measurement and control. This product is designed for use in water treatment, chemical processing, and related industrial applications requiring reliable process measurement measurement. It is compatible with the GF Signet product ecosystem and meets industrial standards for performance and durability.
$110.95$125.00
Available for Purchase
Subject to factory lead times
The GF Signet 3-8051-2 is a Sensor/Instrument for industrial process measurement and control. This product is designed for use in water treatment, chemical processing, and related industrial applications requiring reliable process measurement measurement. It is compatible with the GF Signet product ecosystem and meets industrial standards for performance and durability.
$138.47$156.00
Available for Purchase
Subject to factory lead times
The GF Signet 3-8052 is a Sensor/Instrument for industrial process measurement and control. This product is designed for use in water treatment, chemical processing, and related industrial applications requiring reliable process measurement measurement. It is compatible with the GF Signet product ecosystem and meets industrial standards for performance and durability.
$110.95$125.00
Available for Purchase
Subject to factory lead times
The GF Signet 3-8052-1 is a Sensor/Instrument for industrial process measurement and control. This product is designed for use in water treatment, chemical processing, and related industrial applications requiring reliable process measurement measurement. It is compatible with the GF Signet product ecosystem and meets industrial standards for performance and durability.
$152.67$172.00
Available for Purchase
Subject to factory lead times
The GF Signet 3-8052-2 is a Sensor/Instrument for industrial process measurement and control. This product is designed for use in water treatment, chemical processing, and related industrial applications requiring reliable process measurement measurement. It is compatible with the GF Signet product ecosystem and meets industrial standards for performance and durability.
$202.37$228.00
Available for Purchase
Subject to factory lead times
The GF Signet 8058 i-Go Signal Converter converts Signet sensor signals to standard 4-20 mA or frequency outputs, allowing use of Signet sensors with third-party controllers and systems. It features a compact housing with loop-powered or auxiliary power options and is compatible with a wide range of Signet flow, pH, conductivity, and other sensors.
$260.07$293.00
Available for Purchase
Subject to factory lead times
The GF Signet 8058 i-Go Signal Converter converts Signet sensor signals to standard 4-20 mA or frequency outputs, allowing use of Signet sensors with third-party controllers and systems. It features a compact housing with loop-powered or auxiliary power options and is compatible with a wide range of Signet flow, pH, conductivity, and other sensors.
$359.47$405.00
Available for Purchase
Subject to factory lead times
The GF Signet 8059 External Relay Module expands the relay output capability of Signet 9900 and 9950 transmitters. It provides four independently configurable SPDT relay outputs with adjustable setpoints for alarming and process control applications. The module is housed in a compact DIN-rail mountable enclosure and communicates with the transmitter via Signet's digital bus.
$625.75$705.00
Available for Purchase
Subject to factory lead times
The GF Signet 8059 External Relay Module expands the relay output capability of Signet 9900 and 9950 transmitters. It provides four independently configurable SPDT relay outputs with adjustable setpoints for alarming and process control applications. The module is housed in a compact DIN-rail mountable enclosure and communicates with the transmitter via Signet's digital bus.
$742.02$836.00
Available for Purchase
Subject to factory lead times
The GF Signet 8150 Battery Powered Flow Totalizer provides stand-alone flow totalization and rate display for Signet paddlewheel sensors without requiring external power. It features an 8-digit LCD display showing flow rate and accumulated total, user-adjustable K-factor, and a 4-20 mA output option. The NEMA 4X housing is suitable for outdoor and washdown environments.
$922.20$1,039.00
Available for Purchase
Subject to factory lead times
The GF Signet 8150 Battery Powered Flow Totalizer provides stand-alone flow totalization and rate display for Signet paddlewheel sensors without requiring external power. It features an 8-digit LCD display showing flow rate and accumulated total, user-adjustable K-factor, and a 4-20 mA output option. The NEMA 4X housing is suitable for outdoor and washdown environments. This specific variant (3-8150-1P) is configured with 1-inch pipe size.
$922.20$1,039.00
Available for Purchase
Subject to factory lead times
The GF Signet 8150 Battery Powered Flow Totalizer provides stand-alone flow totalization and rate display for Signet paddlewheel sensors without requiring external power. It features an 8-digit LCD display showing flow rate and accumulated total, user-adjustable K-factor, and a 4-20 mA output option. The NEMA 4X housing is suitable for outdoor and washdown environments. This specific variant (3-8150-P0) is configured with polypropylene body, open-collector output.
$1,437.00$1,619.00
Available for Purchase
Subject to factory lead times
The GF Signet 8150 Battery Powered Flow Totalizer provides stand-alone flow totalization and rate display for Signet paddlewheel sensors without requiring external power. It features an 8-digit LCD display showing flow rate and accumulated total, user-adjustable K-factor, and a 4-20 mA output option. The NEMA 4X housing is suitable for outdoor and washdown environments. This specific variant (3-8150-P1) is configured with polypropylene body, 4-20 mA output.
$1,472.50$1,659.00
Available for Purchase
Subject to factory lead times
The GF Signet 8150 Battery Powered Flow Totalizer provides stand-alone flow totalization and rate display for Signet paddlewheel sensors without requiring external power. It features an 8-digit LCD display showing flow rate and accumulated total, user-adjustable K-factor, and a 4-20 mA output option. The NEMA 4X housing is suitable for outdoor and washdown environments. This specific variant (3-8150-T0) is configured with threaded connection, open-collector.
$1,937.59$2,183.00
Available for Purchase
Subject to factory lead times
The GF Signet 8510 Paddlewheel Flow Sensor is a tee-body inline sensor for liquid flow measurement in ½ to 4 in. (DN15 to DN100) pipe sizes. Constructed of polypropylene or PVDF, it provides open-collector pulse output and is compatible with Signet transmitters. Its inline design eliminates installation fittings for small pipe applications. This specific variant (3-8510-P0) is configured with polypropylene body, open-collector output.
$454.45$512.00
Available for Purchase
Subject to factory lead times
The GF Signet 3-8050-2 is a Sensor/Instrument for industrial process measurement and control. This product is designed for use in water treatment, chemical processing, and related industrial applications requiring reliable process measurement measurement. It is compatible with the GF Signet product ecosystem and meets industrial standards for performance and durability.
$202.37$228.00
Available for Purchase
Subject to factory lead times
The GF Signet 3-8050.390-1 is a Sensor/Instrument for industrial process measurement and control. This product is designed for use in water treatment, chemical processing, and related industrial applications requiring reliable process measurement measurement. It is compatible with the GF Signet product ecosystem and meets industrial standards for performance and durability.
$38.17$43.00
Available for Purchase
Subject to factory lead times
The GF Signet 3-8050.390-3 is a Sensor/Instrument for industrial process measurement and control. This product is designed for use in water treatment, chemical processing, and related industrial applications requiring reliable process measurement measurement. It is compatible with the GF Signet product ecosystem and meets industrial standards for performance and durability.
$45.27$51.00
Available for Purchase
Subject to factory lead times
The GF Signet 3-8050.390-4 is a Sensor/Instrument for industrial process measurement and control. This product is designed for use in water treatment, chemical processing, and related industrial applications requiring reliable process measurement measurement. It is compatible with the GF Signet product ecosystem and meets industrial standards for performance and durability.
$76.34$86.00
Available for Purchase
Subject to factory lead times
The GF Signet 3-8050.392 is a Sensor/Instrument for industrial process measurement and control. This product is designed for use in water treatment, chemical processing, and related industrial applications requiring reliable process measurement measurement. It is compatible with the GF Signet product ecosystem and meets industrial standards for performance and durability.
$150.89$170.00
Available for Purchase
Subject to factory lead times
The GF Signet 3-8050.395 is a Sensor/Instrument for industrial process measurement and control. This product is designed for use in water treatment, chemical processing, and related industrial applications requiring reliable process measurement measurement. It is compatible with the GF Signet product ecosystem and meets industrial standards for performance and durability.
$86.99$98.00
Available for Purchase
Subject to factory lead times
The GF Signet 3-8050.396 is a Sensor/Instrument for industrial process measurement and control. This product is designed for use in water treatment, chemical processing, and related industrial applications requiring reliable process measurement measurement. It is compatible with the GF Signet product ecosystem and meets industrial standards for performance and durability.
$114.50$129.00
Available for Purchase
Subject to factory lead times
The GF Signet 3-8050.521 is a Sensor/Instrument for industrial process measurement and control. This product is designed for use in water treatment, chemical processing, and related industrial applications requiring reliable process measurement measurement. It is compatible with the GF Signet product ecosystem and meets industrial standards for performance and durability.
$73.67$83.00
Available for Purchase
Subject to factory lead times
The GF Signet 3-8051 is a Sensor/Instrument for industrial process measurement and control. This product is designed for use in water treatment, chemical processing, and related industrial applications requiring reliable process measurement measurement. It is compatible with the GF Signet product ecosystem and meets industrial standards for performance and durability.
$94.98$107.00
Available for Purchase
Subject to factory lead times
The GF Signet 3-8051-1 is a Sensor/Instrument for industrial process measurement and control. This product is designed for use in water treatment, chemical processing, and related industrial applications requiring reliable process measurement measurement. It is compatible with the GF Signet product ecosystem and meets industrial standards for performance and durability.
$110.95$125.00
Available for Purchase
Subject to factory lead times
The GF Signet 3-8051-2 is a Sensor/Instrument for industrial process measurement and control. This product is designed for use in water treatment, chemical processing, and related industrial applications requiring reliable process measurement measurement. It is compatible with the GF Signet product ecosystem and meets industrial standards for performance and durability.
$138.47$156.00
Available for Purchase
Subject to factory lead times
The GF Signet 3-8052 is a Sensor/Instrument for industrial process measurement and control. This product is designed for use in water treatment, chemical processing, and related industrial applications requiring reliable process measurement measurement. It is compatible with the GF Signet product ecosystem and meets industrial standards for performance and durability.
$110.95$125.00
Available for Purchase
Subject to factory lead times
The GF Signet 3-8052-1 is a Sensor/Instrument for industrial process measurement and control. This product is designed for use in water treatment, chemical processing, and related industrial applications requiring reliable process measurement measurement. It is compatible with the GF Signet product ecosystem and meets industrial standards for performance and durability.
$152.67$172.00
Available for Purchase
Subject to factory lead times
The GF Signet 3-8052-2 is a Sensor/Instrument for industrial process measurement and control. This product is designed for use in water treatment, chemical processing, and related industrial applications requiring reliable process measurement measurement. It is compatible with the GF Signet product ecosystem and meets industrial standards for performance and durability.
$202.37$228.00
Available for Purchase
Subject to factory lead times
The GF Signet 8058 i-Go Signal Converter converts Signet sensor signals to standard 4-20 mA or frequency outputs, allowing use of Signet sensors with third-party controllers and systems. It features a compact housing with loop-powered or auxiliary power options and is compatible with a wide range of Signet flow, pH, conductivity, and other sensors.
$260.07$293.00
Available for Purchase
Subject to factory lead times
The GF Signet 8058 i-Go Signal Converter converts Signet sensor signals to standard 4-20 mA or frequency outputs, allowing use of Signet sensors with third-party controllers and systems. It features a compact housing with loop-powered or auxiliary power options and is compatible with a wide range of Signet flow, pH, conductivity, and other sensors.
$359.47$405.00
Available for Purchase
Subject to factory lead times
The GF Signet 8059 External Relay Module expands the relay output capability of Signet 9900 and 9950 transmitters. It provides four independently configurable SPDT relay outputs with adjustable setpoints for alarming and process control applications. The module is housed in a compact DIN-rail mountable enclosure and communicates with the transmitter via Signet's digital bus.
$625.75$705.00
Available for Purchase
Subject to factory lead times
The GF Signet 8059 External Relay Module expands the relay output capability of Signet 9900 and 9950 transmitters. It provides four independently configurable SPDT relay outputs with adjustable setpoints for alarming and process control applications. The module is housed in a compact DIN-rail mountable enclosure and communicates with the transmitter via Signet's digital bus.
$742.02$836.00
Available for Purchase
Subject to factory lead times
The GF Signet 8150 Battery Powered Flow Totalizer provides stand-alone flow totalization and rate display for Signet paddlewheel sensors without requiring external power. It features an 8-digit LCD display showing flow rate and accumulated total, user-adjustable K-factor, and a 4-20 mA output option. The NEMA 4X housing is suitable for outdoor and washdown environments.
$922.20$1,039.00
Available for Purchase
Subject to factory lead times
The GF Signet 8150 Battery Powered Flow Totalizer provides stand-alone flow totalization and rate display for Signet paddlewheel sensors without requiring external power. It features an 8-digit LCD display showing flow rate and accumulated total, user-adjustable K-factor, and a 4-20 mA output option. The NEMA 4X housing is suitable for outdoor and washdown environments. This specific variant (3-8150-1P) is configured with 1-inch pipe size.
$922.20$1,039.00
Available for Purchase
Subject to factory lead times
The GF Signet 8150 Battery Powered Flow Totalizer provides stand-alone flow totalization and rate display for Signet paddlewheel sensors without requiring external power. It features an 8-digit LCD display showing flow rate and accumulated total, user-adjustable K-factor, and a 4-20 mA output option. The NEMA 4X housing is suitable for outdoor and washdown environments. This specific variant (3-8150-P0) is configured with polypropylene body, open-collector output.
$1,437.00$1,619.00
Available for Purchase
Subject to factory lead times
The GF Signet 8150 Battery Powered Flow Totalizer provides stand-alone flow totalization and rate display for Signet paddlewheel sensors without requiring external power. It features an 8-digit LCD display showing flow rate and accumulated total, user-adjustable K-factor, and a 4-20 mA output option. The NEMA 4X housing is suitable for outdoor and washdown environments. This specific variant (3-8150-P1) is configured with polypropylene body, 4-20 mA output.
$1,472.50$1,659.00
Available for Purchase
Subject to factory lead times
The GF Signet 8150 Battery Powered Flow Totalizer provides stand-alone flow totalization and rate display for Signet paddlewheel sensors without requiring external power. It features an 8-digit LCD display showing flow rate and accumulated total, user-adjustable K-factor, and a 4-20 mA output option. The NEMA 4X housing is suitable for outdoor and washdown environments. This specific variant (3-8150-T0) is configured with threaded connection, open-collector.
$1,937.59$2,183.00
Available for Purchase
Subject to factory lead times
The GF Signet 8510 Paddlewheel Flow Sensor is a tee-body inline sensor for liquid flow measurement in ½ to 4 in. (DN15 to DN100) pipe sizes. Constructed of polypropylene or PVDF, it provides open-collector pulse output and is compatible with Signet transmitters. Its inline design eliminates installation fittings for small pipe applications. This specific variant (3-8510-P0) is configured with polypropylene body, open-collector output.
$454.45$512.00
Available for Purchase
Subject to factory lead times