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 9950 Multi-Channel Transmitter is a versatile, multi-parameter instrument capable of measuring up to six process variables simultaneously, including flow, pH/ORP, conductivity/resistivity, dissolved oxygen, chlorine, temperature, and pressure. It features a large graphical LCD display, dual 4-20 mA outputs per channel, and multiple communication options including Modbus RTU and optional PROFIBUS. Designed for demanding industrial environments, it carries NEMA 4X and IP65 ratings and supports remote mounting configurations.
$3,366.60$3,793.00
Available for Purchase
Subject to factory lead times
The GF Signet 9950 Multi-Channel Transmitter is a versatile, multi-parameter instrument capable of measuring up to six process variables simultaneously, including flow, pH/ORP, conductivity/resistivity, dissolved oxygen, chlorine, temperature, and pressure. It features a large graphical LCD display, dual 4-20 mA outputs per channel, and multiple communication options including Modbus RTU and optional PROFIBUS. Designed for demanding industrial environments, it carries NEMA 4X and IP65 ratings and supports remote mounting configurations.
$3,695.00$4,163.00
Available for Purchase
Subject to factory lead times
The GF Signet 9950 Multi-Channel Transmitter is a versatile, multi-parameter instrument capable of measuring up to six process variables simultaneously, including flow, pH/ORP, conductivity/resistivity, dissolved oxygen, chlorine, temperature, and pressure. It features a large graphical LCD display, dual 4-20 mA outputs per channel, and multiple communication options including Modbus RTU and optional PROFIBUS. Designed for demanding industrial environments, it carries NEMA 4X and IP65 ratings and supports remote mounting configurations.
$2,947.66$3,321.00
Available for Purchase
Subject to factory lead times
The GF Signet 9950 Multi-Channel Transmitter is a versatile, multi-parameter instrument capable of measuring up to six process variables simultaneously, including flow, pH/ORP, conductivity/resistivity, dissolved oxygen, chlorine, temperature, and pressure. It features a large graphical LCD display, dual 4-20 mA outputs per channel, and multiple communication options including Modbus RTU and optional PROFIBUS. Designed for demanding industrial environments, it carries NEMA 4X and IP65 ratings and supports remote mounting configurations.
$1,312.74$1,479.00
Available for Purchase
Subject to factory lead times
The GF Signet 9950 Multi-Channel Transmitter is a versatile, multi-parameter instrument capable of measuring up to six process variables simultaneously, including flow, pH/ORP, conductivity/resistivity, dissolved oxygen, chlorine, temperature, and pressure. It features a large graphical LCD display, dual 4-20 mA outputs per channel, and multiple communication options including Modbus RTU and optional PROFIBUS. Designed for demanding industrial environments, it carries NEMA 4X and IP65 ratings and supports remote mounting configurations.
$117.17$132.00
Available for Purchase
Subject to factory lead times
The GF Signet 9950 Multi-Channel Transmitter is a versatile, multi-parameter instrument capable of measuring up to six process variables simultaneously, including flow, pH/ORP, conductivity/resistivity, dissolved oxygen, chlorine, temperature, and pressure. It features a large graphical LCD display, dual 4-20 mA outputs per channel, and multiple communication options including Modbus RTU and optional PROFIBUS. Designed for demanding industrial environments, it carries NEMA 4X and IP65 ratings and supports remote mounting configurations.
$30.18$34.00
Available for Purchase
Subject to factory lead times
The GF Signet 9950 Multi-Channel Transmitter is a versatile, multi-parameter instrument capable of measuring up to six process variables simultaneously, including flow, pH/ORP, conductivity/resistivity, dissolved oxygen, chlorine, temperature, and pressure. It features a large graphical LCD display, dual 4-20 mA outputs per channel, and multiple communication options including Modbus RTU and optional PROFIBUS. Designed for demanding industrial environments, it carries NEMA 4X and IP65 ratings and supports remote mounting configurations.
$333.74$376.00
Available for Purchase
Subject to factory lead times
The GF Signet 9950 Multi-Channel Transmitter is a versatile, multi-parameter instrument capable of measuring up to six process variables simultaneously, including flow, pH/ORP, conductivity/resistivity, dissolved oxygen, chlorine, temperature, and pressure. It features a large graphical LCD display, dual 4-20 mA outputs per channel, and multiple communication options including Modbus RTU and optional PROFIBUS. Designed for demanding industrial environments, it carries NEMA 4X and IP65 ratings and supports remote mounting configurations.
$333.74$376.00
Available for Purchase
Subject to factory lead times
The GF Signet 9950 Multi-Channel Transmitter is a versatile, multi-parameter instrument capable of measuring up to six process variables simultaneously, including flow, pH/ORP, conductivity/resistivity, dissolved oxygen, chlorine, temperature, and pressure. It features a large graphical LCD display, dual 4-20 mA outputs per channel, and multiple communication options including Modbus RTU and optional PROFIBUS. Designed for demanding industrial environments, it carries NEMA 4X and IP65 ratings and supports remote mounting configurations.
$333.74$376.00
Available for Purchase
Subject to factory lead times
The GF Signet 9950 Multi-Channel Transmitter is a versatile, multi-parameter instrument capable of measuring up to six process variables simultaneously, including flow, pH/ORP, conductivity/resistivity, dissolved oxygen, chlorine, temperature, and pressure. It features a large graphical LCD display, dual 4-20 mA outputs per channel, and multiple communication options including Modbus RTU and optional PROFIBUS. Designed for demanding industrial environments, it carries NEMA 4X and IP65 ratings and supports remote mounting configurations.
$335.51$378.00
Available for Purchase
Subject to factory lead times
The GF Signet 9950 Multi-Channel Transmitter is a versatile, multi-parameter instrument capable of measuring up to six process variables simultaneously, including flow, pH/ORP, conductivity/resistivity, dissolved oxygen, chlorine, temperature, and pressure. It features a large graphical LCD display, dual 4-20 mA outputs per channel, and multiple communication options including Modbus RTU and optional PROFIBUS. Designed for demanding industrial environments, it carries NEMA 4X and IP65 ratings and supports remote mounting configurations.
$483.74$545.00
Available for Purchase
Subject to factory lead times
The GF Signet 9950 Multi-Channel Transmitter is a versatile, multi-parameter instrument capable of measuring up to six process variables simultaneously, including flow, pH/ORP, conductivity/resistivity, dissolved oxygen, chlorine, temperature, and pressure. It features a large graphical LCD display, dual 4-20 mA outputs per channel, and multiple communication options including Modbus RTU and optional PROFIBUS. Designed for demanding industrial environments, it carries NEMA 4X and IP65 ratings and supports remote mounting configurations.
$464.21$523.00
Available for Purchase
Subject to factory lead times
The GF Signet 9950 Multi-Channel Transmitter is a versatile, multi-parameter instrument capable of measuring up to six process variables simultaneously, including flow, pH/ORP, conductivity/resistivity, dissolved oxygen, chlorine, temperature, and pressure. It features a large graphical LCD display, dual 4-20 mA outputs per channel, and multiple communication options including Modbus RTU and optional PROFIBUS. Designed for demanding industrial environments, it carries NEMA 4X and IP65 ratings and supports remote mounting configurations.
$248.53$280.00
Available for Purchase
Subject to factory lead times
The GF Signet 3800-4340 is a Sensor/Accessory for industrial process measurement and control. This product is designed for use in water treatment, chemical processing, and related industrial applications requiring reliable various measurement. It is compatible with the GF Signet product ecosystem and meets industrial standards for performance and durability.
$100.30$113.00
Available for Purchase
Subject to factory lead times
The GF Signet 3800-5000 is a Sensor/Accessory for industrial process measurement and control. This product is designed for use in water treatment, chemical processing, and related industrial applications requiring reliable various measurement. It is compatible with the GF Signet product ecosystem and meets industrial standards for performance and durability.
$40.83$46.00
Available for Purchase
Subject to factory lead times
The GF Signet 3822-7004 is a Sensor/Accessory for industrial process measurement and control. This product is designed for use in water treatment, chemical processing, and related industrial applications requiring reliable various measurement. It is compatible with the GF Signet product ecosystem and meets industrial standards for performance and durability.
$36.40$41.00
Available for Purchase
Subject to factory lead times
The GF Signet 3822-7007 is a Sensor/Accessory for industrial process measurement and control. This product is designed for use in water treatment, chemical processing, and related industrial applications requiring reliable various measurement. It is compatible with the GF Signet product ecosystem and meets industrial standards for performance and durability.
$36.40$41.00
Available for Purchase
Subject to factory lead times
The GF Signet 3822-7010 is a Sensor/Accessory for industrial process measurement and control. This product is designed for use in water treatment, chemical processing, and related industrial applications requiring reliable various measurement. It is compatible with the GF Signet product ecosystem and meets industrial standards for performance and durability.
$36.40$41.00
Available for Purchase
Subject to factory lead times
The GF Signet 3822-7115 is a Sensor/Accessory for industrial process measurement and control. This product is designed for use in water treatment, chemical processing, and related industrial applications requiring reliable various measurement. It is compatible with the GF Signet product ecosystem and meets industrial standards for performance and durability.
$166.87$188.00
Available for Purchase
Subject to factory lead times
The GF Signet 3864-0001 is a Sensor/Accessory for industrial process measurement and control. This product is designed for use in water treatment, chemical processing, and related industrial applications requiring reliable various 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 3864-0002 is a Sensor/Accessory for industrial process measurement and control. This product is designed for use in water treatment, chemical processing, and related industrial applications requiring reliable various measurement. It is compatible with the GF Signet product ecosystem and meets industrial standards for performance and durability.
$55.03$62.00
Available for Purchase
Subject to factory lead times
The GF Signet 4150-0028 is a Sensor/Accessory for industrial process measurement and control. This product is designed for use in water treatment, chemical processing, and related industrial applications requiring reliable various measurement. It is compatible with the GF Signet product ecosystem and meets industrial standards for performance and durability.
Requires Quote
Available for Purchase
Subject to factory lead times
The GF Signet 4301-2125 is a Sensor/Accessory for industrial process measurement and control. This product is designed for use in water treatment, chemical processing, and related industrial applications requiring reliable various measurement. It is compatible with the GF Signet product ecosystem and meets industrial standards for performance and durability.
$317.76$358.00
Available for Purchase
Subject to factory lead times
The GF Signet 4301-3125 is a Sensor/Accessory for industrial process measurement and control. This product is designed for use in water treatment, chemical processing, and related industrial applications requiring reliable various measurement. It is compatible with the GF Signet product ecosystem and meets industrial standards for performance and durability.
$703.86$793.00
Available for Purchase
Subject to factory lead times
The GF Signet 9950 Multi-Channel Transmitter is a versatile, multi-parameter instrument capable of measuring up to six process variables simultaneously, including flow, pH/ORP, conductivity/resistivity, dissolved oxygen, chlorine, temperature, and pressure. It features a large graphical LCD display, dual 4-20 mA outputs per channel, and multiple communication options including Modbus RTU and optional PROFIBUS. Designed for demanding industrial environments, it carries NEMA 4X and IP65 ratings and supports remote mounting configurations.
$3,366.60$3,793.00
Available for Purchase
Subject to factory lead times
The GF Signet 9950 Multi-Channel Transmitter is a versatile, multi-parameter instrument capable of measuring up to six process variables simultaneously, including flow, pH/ORP, conductivity/resistivity, dissolved oxygen, chlorine, temperature, and pressure. It features a large graphical LCD display, dual 4-20 mA outputs per channel, and multiple communication options including Modbus RTU and optional PROFIBUS. Designed for demanding industrial environments, it carries NEMA 4X and IP65 ratings and supports remote mounting configurations.
$3,695.00$4,163.00
Available for Purchase
Subject to factory lead times
The GF Signet 9950 Multi-Channel Transmitter is a versatile, multi-parameter instrument capable of measuring up to six process variables simultaneously, including flow, pH/ORP, conductivity/resistivity, dissolved oxygen, chlorine, temperature, and pressure. It features a large graphical LCD display, dual 4-20 mA outputs per channel, and multiple communication options including Modbus RTU and optional PROFIBUS. Designed for demanding industrial environments, it carries NEMA 4X and IP65 ratings and supports remote mounting configurations.
$2,947.66$3,321.00
Available for Purchase
Subject to factory lead times
The GF Signet 9950 Multi-Channel Transmitter is a versatile, multi-parameter instrument capable of measuring up to six process variables simultaneously, including flow, pH/ORP, conductivity/resistivity, dissolved oxygen, chlorine, temperature, and pressure. It features a large graphical LCD display, dual 4-20 mA outputs per channel, and multiple communication options including Modbus RTU and optional PROFIBUS. Designed for demanding industrial environments, it carries NEMA 4X and IP65 ratings and supports remote mounting configurations.
$1,312.74$1,479.00
Available for Purchase
Subject to factory lead times
The GF Signet 9950 Multi-Channel Transmitter is a versatile, multi-parameter instrument capable of measuring up to six process variables simultaneously, including flow, pH/ORP, conductivity/resistivity, dissolved oxygen, chlorine, temperature, and pressure. It features a large graphical LCD display, dual 4-20 mA outputs per channel, and multiple communication options including Modbus RTU and optional PROFIBUS. Designed for demanding industrial environments, it carries NEMA 4X and IP65 ratings and supports remote mounting configurations.
$117.17$132.00
Available for Purchase
Subject to factory lead times
The GF Signet 9950 Multi-Channel Transmitter is a versatile, multi-parameter instrument capable of measuring up to six process variables simultaneously, including flow, pH/ORP, conductivity/resistivity, dissolved oxygen, chlorine, temperature, and pressure. It features a large graphical LCD display, dual 4-20 mA outputs per channel, and multiple communication options including Modbus RTU and optional PROFIBUS. Designed for demanding industrial environments, it carries NEMA 4X and IP65 ratings and supports remote mounting configurations.
$30.18$34.00
Available for Purchase
Subject to factory lead times
The GF Signet 9950 Multi-Channel Transmitter is a versatile, multi-parameter instrument capable of measuring up to six process variables simultaneously, including flow, pH/ORP, conductivity/resistivity, dissolved oxygen, chlorine, temperature, and pressure. It features a large graphical LCD display, dual 4-20 mA outputs per channel, and multiple communication options including Modbus RTU and optional PROFIBUS. Designed for demanding industrial environments, it carries NEMA 4X and IP65 ratings and supports remote mounting configurations.
$333.74$376.00
Available for Purchase
Subject to factory lead times
The GF Signet 9950 Multi-Channel Transmitter is a versatile, multi-parameter instrument capable of measuring up to six process variables simultaneously, including flow, pH/ORP, conductivity/resistivity, dissolved oxygen, chlorine, temperature, and pressure. It features a large graphical LCD display, dual 4-20 mA outputs per channel, and multiple communication options including Modbus RTU and optional PROFIBUS. Designed for demanding industrial environments, it carries NEMA 4X and IP65 ratings and supports remote mounting configurations.
$333.74$376.00
Available for Purchase
Subject to factory lead times
The GF Signet 9950 Multi-Channel Transmitter is a versatile, multi-parameter instrument capable of measuring up to six process variables simultaneously, including flow, pH/ORP, conductivity/resistivity, dissolved oxygen, chlorine, temperature, and pressure. It features a large graphical LCD display, dual 4-20 mA outputs per channel, and multiple communication options including Modbus RTU and optional PROFIBUS. Designed for demanding industrial environments, it carries NEMA 4X and IP65 ratings and supports remote mounting configurations.
$333.74$376.00
Available for Purchase
Subject to factory lead times
The GF Signet 9950 Multi-Channel Transmitter is a versatile, multi-parameter instrument capable of measuring up to six process variables simultaneously, including flow, pH/ORP, conductivity/resistivity, dissolved oxygen, chlorine, temperature, and pressure. It features a large graphical LCD display, dual 4-20 mA outputs per channel, and multiple communication options including Modbus RTU and optional PROFIBUS. Designed for demanding industrial environments, it carries NEMA 4X and IP65 ratings and supports remote mounting configurations.
$335.51$378.00
Available for Purchase
Subject to factory lead times
The GF Signet 9950 Multi-Channel Transmitter is a versatile, multi-parameter instrument capable of measuring up to six process variables simultaneously, including flow, pH/ORP, conductivity/resistivity, dissolved oxygen, chlorine, temperature, and pressure. It features a large graphical LCD display, dual 4-20 mA outputs per channel, and multiple communication options including Modbus RTU and optional PROFIBUS. Designed for demanding industrial environments, it carries NEMA 4X and IP65 ratings and supports remote mounting configurations.
$483.74$545.00
Available for Purchase
Subject to factory lead times
The GF Signet 9950 Multi-Channel Transmitter is a versatile, multi-parameter instrument capable of measuring up to six process variables simultaneously, including flow, pH/ORP, conductivity/resistivity, dissolved oxygen, chlorine, temperature, and pressure. It features a large graphical LCD display, dual 4-20 mA outputs per channel, and multiple communication options including Modbus RTU and optional PROFIBUS. Designed for demanding industrial environments, it carries NEMA 4X and IP65 ratings and supports remote mounting configurations.
$464.21$523.00
Available for Purchase
Subject to factory lead times
The GF Signet 9950 Multi-Channel Transmitter is a versatile, multi-parameter instrument capable of measuring up to six process variables simultaneously, including flow, pH/ORP, conductivity/resistivity, dissolved oxygen, chlorine, temperature, and pressure. It features a large graphical LCD display, dual 4-20 mA outputs per channel, and multiple communication options including Modbus RTU and optional PROFIBUS. Designed for demanding industrial environments, it carries NEMA 4X and IP65 ratings and supports remote mounting configurations.
$248.53$280.00
Available for Purchase
Subject to factory lead times
The GF Signet 3800-4340 is a Sensor/Accessory for industrial process measurement and control. This product is designed for use in water treatment, chemical processing, and related industrial applications requiring reliable various measurement. It is compatible with the GF Signet product ecosystem and meets industrial standards for performance and durability.
$100.30$113.00
Available for Purchase
Subject to factory lead times
The GF Signet 3800-5000 is a Sensor/Accessory for industrial process measurement and control. This product is designed for use in water treatment, chemical processing, and related industrial applications requiring reliable various measurement. It is compatible with the GF Signet product ecosystem and meets industrial standards for performance and durability.
$40.83$46.00
Available for Purchase
Subject to factory lead times
The GF Signet 3822-7004 is a Sensor/Accessory for industrial process measurement and control. This product is designed for use in water treatment, chemical processing, and related industrial applications requiring reliable various measurement. It is compatible with the GF Signet product ecosystem and meets industrial standards for performance and durability.
$36.40$41.00
Available for Purchase
Subject to factory lead times
The GF Signet 3822-7007 is a Sensor/Accessory for industrial process measurement and control. This product is designed for use in water treatment, chemical processing, and related industrial applications requiring reliable various measurement. It is compatible with the GF Signet product ecosystem and meets industrial standards for performance and durability.
$36.40$41.00
Available for Purchase
Subject to factory lead times
The GF Signet 3822-7010 is a Sensor/Accessory for industrial process measurement and control. This product is designed for use in water treatment, chemical processing, and related industrial applications requiring reliable various measurement. It is compatible with the GF Signet product ecosystem and meets industrial standards for performance and durability.
$36.40$41.00
Available for Purchase
Subject to factory lead times
The GF Signet 3822-7115 is a Sensor/Accessory for industrial process measurement and control. This product is designed for use in water treatment, chemical processing, and related industrial applications requiring reliable various measurement. It is compatible with the GF Signet product ecosystem and meets industrial standards for performance and durability.
$166.87$188.00
Available for Purchase
Subject to factory lead times
The GF Signet 3864-0001 is a Sensor/Accessory for industrial process measurement and control. This product is designed for use in water treatment, chemical processing, and related industrial applications requiring reliable various 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 3864-0002 is a Sensor/Accessory for industrial process measurement and control. This product is designed for use in water treatment, chemical processing, and related industrial applications requiring reliable various measurement. It is compatible with the GF Signet product ecosystem and meets industrial standards for performance and durability.
$55.03$62.00
Available for Purchase
Subject to factory lead times
The GF Signet 4150-0028 is a Sensor/Accessory for industrial process measurement and control. This product is designed for use in water treatment, chemical processing, and related industrial applications requiring reliable various measurement. It is compatible with the GF Signet product ecosystem and meets industrial standards for performance and durability.
Requires Quote
Available for Purchase
Subject to factory lead times
The GF Signet 4301-2125 is a Sensor/Accessory for industrial process measurement and control. This product is designed for use in water treatment, chemical processing, and related industrial applications requiring reliable various measurement. It is compatible with the GF Signet product ecosystem and meets industrial standards for performance and durability.
$317.76$358.00
Available for Purchase
Subject to factory lead times
The GF Signet 4301-3125 is a Sensor/Accessory for industrial process measurement and control. This product is designed for use in water treatment, chemical processing, and related industrial applications requiring reliable various measurement. It is compatible with the GF Signet product ecosystem and meets industrial standards for performance and durability.
$703.86$793.00
Available for Purchase
Subject to factory lead times