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 2821 Conductivity/Resistivity Electrode features a 10.0 cm⁻¹ cell constant for high-conductivity applications such as concentrated chemical solutions, brine, or seawater (1 mS/cm to 2 S/cm). Its robust PVDF or PP construction withstands aggressive chemicals and elevated temperatures.
$1,424.57$1,605.00
Available for Purchase
Subject to factory lead times
The GF Signet 2821 Conductivity/Resistivity Electrode features a 10.0 cm⁻¹ cell constant for high-conductivity applications such as concentrated chemical solutions, brine, or seawater (1 mS/cm to 2 S/cm). Its robust PVDF or PP construction withstands aggressive chemicals and elevated temperatures. This specific variant (3-2821-T1) is configured with threaded connection, 4-20 mA.
$1,587.00$1,788.00
Available for Purchase
Subject to factory lead times
The GF Signet 2821 Conductivity/Resistivity Electrode features a 10.0 cm⁻¹ cell constant for high-conductivity applications such as concentrated chemical solutions, brine, or seawater (1 mS/cm to 2 S/cm). Its robust PVDF or PP construction withstands aggressive chemicals and elevated temperatures.
$1,673.98$1,886.00
Available for Purchase
Subject to factory lead times
The GF Signet 2821 Conductivity/Resistivity Electrode features a 10.0 cm⁻¹ cell constant for high-conductivity applications such as concentrated chemical solutions, brine, or seawater (1 mS/cm to 2 S/cm). Its robust PVDF or PP construction withstands aggressive chemicals and elevated temperatures. This specific variant (3-2821-T2) is configured with threaded connection, voltage.
$1,797.35$2,025.00
Available for Purchase
Subject to factory lead times
The GF Signet 2821 Conductivity/Resistivity Electrode features a 10.0 cm⁻¹ cell constant for high-conductivity applications such as concentrated chemical solutions, brine, or seawater (1 mS/cm to 2 S/cm). Its robust PVDF or PP construction withstands aggressive chemicals and elevated temperatures.
$1,880.79$2,119.00
Available for Purchase
Subject to factory lead times
The GF Signet 2822 Conductivity/Resistivity Electrode is a 2-electrode sensor with multiple cell constant options (0.1, 1.0, or 10.0 cm⁻¹) in a compact inline body. It is designed for use with Signet 2850 sensor electronics and 9900/9950 transmitters, supporting a wide range of conductivity and resistivity measurement applications.
$942.61$1,062.00
Available for Purchase
Subject to factory lead times
The GF Signet 2822 Conductivity/Resistivity Electrode is a 2-electrode sensor with multiple cell constant options (0.1, 1.0, or 10.0 cm⁻¹) in a compact inline body. It is designed for use with Signet 2850 sensor electronics and 9900/9950 transmitters, supporting a wide range of conductivity and resistivity measurement applications. This specific variant (3-2822-2C-025) is configured with 2m integral cable, 25 mm insertion/cable.
$1,205.34$1,358.00
Available for Purchase
Subject to factory lead times
The GF Signet 2822 Conductivity/Resistivity Electrode is a 2-electrode sensor with multiple cell constant options (0.1, 1.0, or 10.0 cm⁻¹) in a compact inline body. It is designed for use with Signet 2850 sensor electronics and 9900/9950 transmitters, supporting a wide range of conductivity and resistivity measurement applications. This specific variant (3-2822-2C-050) is configured with 2m integral cable, 50 mm insertion/cable.
$1,271.91$1,433.00
Available for Purchase
Subject to factory lead times
The GF Signet 2822 Conductivity/Resistivity Electrode is a 2-electrode sensor with multiple cell constant options (0.1, 1.0, or 10.0 cm⁻¹) in a compact inline body. It is designed for use with Signet 2850 sensor electronics and 9900/9950 transmitters, supporting a wide range of conductivity and resistivity measurement applications. This specific variant (3-2822-2C-075) is configured with 2m integral cable, 75 mm insertion.
$1,350.90$1,522.00
Available for Purchase
Subject to factory lead times
The GF Signet 2822 Conductivity/Resistivity Electrode is a 2-electrode sensor with multiple cell constant options (0.1, 1.0, or 10.0 cm⁻¹) in a compact inline body. It is designed for use with Signet 2850 sensor electronics and 9900/9950 transmitters, supporting a wide range of conductivity and resistivity measurement applications. This specific variant (3-2822-2C-100) is configured with 2m integral cable, 100 mm insertion.
$1,427.23$1,608.00
Available for Purchase
Subject to factory lead times
The GF Signet 2822 Conductivity/Resistivity Electrode is a 2-electrode sensor with multiple cell constant options (0.1, 1.0, or 10.0 cm⁻¹) in a compact inline body. It is designed for use with Signet 2850 sensor electronics and 9900/9950 transmitters, supporting a wide range of conductivity and resistivity measurement applications. This specific variant (3-2822-2C1-025) is configured with 2m cable, alternate fitting, 25 mm insertion/cable.
$1,205.34$1,358.00
Available for Purchase
Subject to factory lead times
The GF Signet 2822 Conductivity/Resistivity Electrode is a 2-electrode sensor with multiple cell constant options (0.1, 1.0, or 10.0 cm⁻¹) in a compact inline body. It is designed for use with Signet 2850 sensor electronics and 9900/9950 transmitters, supporting a wide range of conductivity and resistivity measurement applications. This specific variant (3-2822-2C1-050) is configured with 2m cable, alternate fitting, 50 mm insertion/cable.
$1,271.91$1,433.00
Available for Purchase
Subject to factory lead times
The GF Signet 2822 Conductivity/Resistivity Electrode is a 2-electrode sensor with multiple cell constant options (0.1, 1.0, or 10.0 cm⁻¹) in a compact inline body. It is designed for use with Signet 2850 sensor electronics and 9900/9950 transmitters, supporting a wide range of conductivity and resistivity measurement applications. This specific variant (3-2822-2C1-075) is configured with 2m cable, alternate fitting, 75 mm insertion.
$1,350.90$1,522.00
Available for Purchase
Subject to factory lead times
The GF Signet 2822 Conductivity/Resistivity Electrode is a 2-electrode sensor with multiple cell constant options (0.1, 1.0, or 10.0 cm⁻¹) in a compact inline body. It is designed for use with Signet 2850 sensor electronics and 9900/9950 transmitters, supporting a wide range of conductivity and resistivity measurement applications. This specific variant (3-2822-2C1-100) is configured with 2m cable, alternate fitting, 100 mm insertion.
$1,427.23$1,608.00
Available for Purchase
Subject to factory lead times
The GF Signet 2822 Conductivity/Resistivity Electrode is a 2-electrode sensor with multiple cell constant options (0.1, 1.0, or 10.0 cm⁻¹) in a compact inline body. It is designed for use with Signet 2850 sensor electronics and 9900/9950 transmitters, supporting a wide range of conductivity and resistivity measurement applications. This specific variant (3-2822-2K-025) is configured with 2-electrode, PVDF body, 25 mm insertion/cable.
$2,491.44$2,807.00
Available for Purchase
Subject to factory lead times
The GF Signet 2822 Conductivity/Resistivity Electrode is a 2-electrode sensor with multiple cell constant options (0.1, 1.0, or 10.0 cm⁻¹) in a compact inline body. It is designed for use with Signet 2850 sensor electronics and 9900/9950 transmitters, supporting a wide range of conductivity and resistivity measurement applications. This specific variant (3-2822-2K-050) is configured with 2-electrode, PVDF body, 50 mm insertion/cable.
$2,473.69$2,787.00
Available for Purchase
Subject to factory lead times
The GF Signet 2822 Conductivity/Resistivity Electrode is a 2-electrode sensor with multiple cell constant options (0.1, 1.0, or 10.0 cm⁻¹) in a compact inline body. It is designed for use with Signet 2850 sensor electronics and 9900/9950 transmitters, supporting a wide range of conductivity and resistivity measurement applications. This specific variant (3-2822-2K-075) is configured with 2-electrode, PVDF body, 75 mm insertion.
$2,394.70$2,698.00
Available for Purchase
Subject to factory lead times
The GF Signet 2822 Conductivity/Resistivity Electrode is a 2-electrode sensor with multiple cell constant options (0.1, 1.0, or 10.0 cm⁻¹) in a compact inline body. It is designed for use with Signet 2850 sensor electronics and 9900/9950 transmitters, supporting a wide range of conductivity and resistivity measurement applications. This specific variant (3-2822-2K-100) is configured with 2-electrode, PVDF body, 100 mm insertion.
$2,550.91$2,874.00
Available for Purchase
Subject to factory lead times
The GF Signet 2822 Conductivity/Resistivity Electrode is a 2-electrode sensor with multiple cell constant options (0.1, 1.0, or 10.0 cm⁻¹) in a compact inline body. It is designed for use with Signet 2850 sensor electronics and 9900/9950 transmitters, supporting a wide range of conductivity and resistivity measurement applications. This specific variant (3-2822-2K1-025) is configured with 25 mm insertion/cable.
$2,550.91$2,874.00
Available for Purchase
Subject to factory lead times
The GF Signet 2822 Conductivity/Resistivity Electrode is a 2-electrode sensor with multiple cell constant options (0.1, 1.0, or 10.0 cm⁻¹) in a compact inline body. It is designed for use with Signet 2850 sensor electronics and 9900/9950 transmitters, supporting a wide range of conductivity and resistivity measurement applications. This specific variant (3-2822-2K1-050) is configured with 50 mm insertion/cable.
$2,626.35$2,959.00
Available for Purchase
Subject to factory lead times
The GF Signet 2822 Conductivity/Resistivity Electrode is a 2-electrode sensor with multiple cell constant options (0.1, 1.0, or 10.0 cm⁻¹) in a compact inline body. It is designed for use with Signet 2850 sensor electronics and 9900/9950 transmitters, supporting a wide range of conductivity and resistivity measurement applications. This specific variant (3-2822-2K1-075) is configured with 75 mm insertion.
$2,473.69$2,787.00
Available for Purchase
Subject to factory lead times
The GF Signet 2822 Conductivity/Resistivity Electrode is a 2-electrode sensor with multiple cell constant options (0.1, 1.0, or 10.0 cm⁻¹) in a compact inline body. It is designed for use with Signet 2850 sensor electronics and 9900/9950 transmitters, supporting a wide range of conductivity and resistivity measurement applications. This specific variant (3-2822-2K1-100) is configured with 100 mm insertion.
$2,626.35$2,959.00
Available for Purchase
Subject to factory lead times
The GF Signet 2822 Conductivity/Resistivity Electrode is a 2-electrode sensor with multiple cell constant options (0.1, 1.0, or 10.0 cm⁻¹) in a compact inline body. It is designed for use with Signet 2850 sensor electronics and 9900/9950 transmitters, supporting a wide range of conductivity and resistivity measurement applications. This specific variant (3-2822-3C-025) is configured with 3m integral cable, 25 mm insertion/cable.
$1,205.34$1,358.00
Available for Purchase
Subject to factory lead times
The GF Signet 2822 Conductivity/Resistivity Electrode is a 2-electrode sensor with multiple cell constant options (0.1, 1.0, or 10.0 cm⁻¹) in a compact inline body. It is designed for use with Signet 2850 sensor electronics and 9900/9950 transmitters, supporting a wide range of conductivity and resistivity measurement applications. This specific variant (3-2822-3C-050) is configured with 3m integral cable, 50 mm insertion/cable.
$1,271.91$1,433.00
Available for Purchase
Subject to factory lead times
The GF Signet 2821 Conductivity/Resistivity Electrode features a 10.0 cm⁻¹ cell constant for high-conductivity applications such as concentrated chemical solutions, brine, or seawater (1 mS/cm to 2 S/cm). Its robust PVDF or PP construction withstands aggressive chemicals and elevated temperatures.
$1,424.57$1,605.00
Available for Purchase
Subject to factory lead times
The GF Signet 2821 Conductivity/Resistivity Electrode features a 10.0 cm⁻¹ cell constant for high-conductivity applications such as concentrated chemical solutions, brine, or seawater (1 mS/cm to 2 S/cm). Its robust PVDF or PP construction withstands aggressive chemicals and elevated temperatures. This specific variant (3-2821-T1) is configured with threaded connection, 4-20 mA.
$1,587.00$1,788.00
Available for Purchase
Subject to factory lead times
The GF Signet 2821 Conductivity/Resistivity Electrode features a 10.0 cm⁻¹ cell constant for high-conductivity applications such as concentrated chemical solutions, brine, or seawater (1 mS/cm to 2 S/cm). Its robust PVDF or PP construction withstands aggressive chemicals and elevated temperatures.
$1,673.98$1,886.00
Available for Purchase
Subject to factory lead times
The GF Signet 2821 Conductivity/Resistivity Electrode features a 10.0 cm⁻¹ cell constant for high-conductivity applications such as concentrated chemical solutions, brine, or seawater (1 mS/cm to 2 S/cm). Its robust PVDF or PP construction withstands aggressive chemicals and elevated temperatures. This specific variant (3-2821-T2) is configured with threaded connection, voltage.
$1,797.35$2,025.00
Available for Purchase
Subject to factory lead times
The GF Signet 2821 Conductivity/Resistivity Electrode features a 10.0 cm⁻¹ cell constant for high-conductivity applications such as concentrated chemical solutions, brine, or seawater (1 mS/cm to 2 S/cm). Its robust PVDF or PP construction withstands aggressive chemicals and elevated temperatures.
$1,880.79$2,119.00
Available for Purchase
Subject to factory lead times
The GF Signet 2822 Conductivity/Resistivity Electrode is a 2-electrode sensor with multiple cell constant options (0.1, 1.0, or 10.0 cm⁻¹) in a compact inline body. It is designed for use with Signet 2850 sensor electronics and 9900/9950 transmitters, supporting a wide range of conductivity and resistivity measurement applications.
$942.61$1,062.00
Available for Purchase
Subject to factory lead times
The GF Signet 2822 Conductivity/Resistivity Electrode is a 2-electrode sensor with multiple cell constant options (0.1, 1.0, or 10.0 cm⁻¹) in a compact inline body. It is designed for use with Signet 2850 sensor electronics and 9900/9950 transmitters, supporting a wide range of conductivity and resistivity measurement applications. This specific variant (3-2822-2C-025) is configured with 2m integral cable, 25 mm insertion/cable.
$1,205.34$1,358.00
Available for Purchase
Subject to factory lead times
The GF Signet 2822 Conductivity/Resistivity Electrode is a 2-electrode sensor with multiple cell constant options (0.1, 1.0, or 10.0 cm⁻¹) in a compact inline body. It is designed for use with Signet 2850 sensor electronics and 9900/9950 transmitters, supporting a wide range of conductivity and resistivity measurement applications. This specific variant (3-2822-2C-050) is configured with 2m integral cable, 50 mm insertion/cable.
$1,271.91$1,433.00
Available for Purchase
Subject to factory lead times
The GF Signet 2822 Conductivity/Resistivity Electrode is a 2-electrode sensor with multiple cell constant options (0.1, 1.0, or 10.0 cm⁻¹) in a compact inline body. It is designed for use with Signet 2850 sensor electronics and 9900/9950 transmitters, supporting a wide range of conductivity and resistivity measurement applications. This specific variant (3-2822-2C-075) is configured with 2m integral cable, 75 mm insertion.
$1,350.90$1,522.00
Available for Purchase
Subject to factory lead times
The GF Signet 2822 Conductivity/Resistivity Electrode is a 2-electrode sensor with multiple cell constant options (0.1, 1.0, or 10.0 cm⁻¹) in a compact inline body. It is designed for use with Signet 2850 sensor electronics and 9900/9950 transmitters, supporting a wide range of conductivity and resistivity measurement applications. This specific variant (3-2822-2C-100) is configured with 2m integral cable, 100 mm insertion.
$1,427.23$1,608.00
Available for Purchase
Subject to factory lead times
The GF Signet 2822 Conductivity/Resistivity Electrode is a 2-electrode sensor with multiple cell constant options (0.1, 1.0, or 10.0 cm⁻¹) in a compact inline body. It is designed for use with Signet 2850 sensor electronics and 9900/9950 transmitters, supporting a wide range of conductivity and resistivity measurement applications. This specific variant (3-2822-2C1-025) is configured with 2m cable, alternate fitting, 25 mm insertion/cable.
$1,205.34$1,358.00
Available for Purchase
Subject to factory lead times
The GF Signet 2822 Conductivity/Resistivity Electrode is a 2-electrode sensor with multiple cell constant options (0.1, 1.0, or 10.0 cm⁻¹) in a compact inline body. It is designed for use with Signet 2850 sensor electronics and 9900/9950 transmitters, supporting a wide range of conductivity and resistivity measurement applications. This specific variant (3-2822-2C1-050) is configured with 2m cable, alternate fitting, 50 mm insertion/cable.
$1,271.91$1,433.00
Available for Purchase
Subject to factory lead times
The GF Signet 2822 Conductivity/Resistivity Electrode is a 2-electrode sensor with multiple cell constant options (0.1, 1.0, or 10.0 cm⁻¹) in a compact inline body. It is designed for use with Signet 2850 sensor electronics and 9900/9950 transmitters, supporting a wide range of conductivity and resistivity measurement applications. This specific variant (3-2822-2C1-075) is configured with 2m cable, alternate fitting, 75 mm insertion.
$1,350.90$1,522.00
Available for Purchase
Subject to factory lead times
The GF Signet 2822 Conductivity/Resistivity Electrode is a 2-electrode sensor with multiple cell constant options (0.1, 1.0, or 10.0 cm⁻¹) in a compact inline body. It is designed for use with Signet 2850 sensor electronics and 9900/9950 transmitters, supporting a wide range of conductivity and resistivity measurement applications. This specific variant (3-2822-2C1-100) is configured with 2m cable, alternate fitting, 100 mm insertion.
$1,427.23$1,608.00
Available for Purchase
Subject to factory lead times
The GF Signet 2822 Conductivity/Resistivity Electrode is a 2-electrode sensor with multiple cell constant options (0.1, 1.0, or 10.0 cm⁻¹) in a compact inline body. It is designed for use with Signet 2850 sensor electronics and 9900/9950 transmitters, supporting a wide range of conductivity and resistivity measurement applications. This specific variant (3-2822-2K-025) is configured with 2-electrode, PVDF body, 25 mm insertion/cable.
$2,491.44$2,807.00
Available for Purchase
Subject to factory lead times
The GF Signet 2822 Conductivity/Resistivity Electrode is a 2-electrode sensor with multiple cell constant options (0.1, 1.0, or 10.0 cm⁻¹) in a compact inline body. It is designed for use with Signet 2850 sensor electronics and 9900/9950 transmitters, supporting a wide range of conductivity and resistivity measurement applications. This specific variant (3-2822-2K-050) is configured with 2-electrode, PVDF body, 50 mm insertion/cable.
$2,473.69$2,787.00
Available for Purchase
Subject to factory lead times
The GF Signet 2822 Conductivity/Resistivity Electrode is a 2-electrode sensor with multiple cell constant options (0.1, 1.0, or 10.0 cm⁻¹) in a compact inline body. It is designed for use with Signet 2850 sensor electronics and 9900/9950 transmitters, supporting a wide range of conductivity and resistivity measurement applications. This specific variant (3-2822-2K-075) is configured with 2-electrode, PVDF body, 75 mm insertion.
$2,394.70$2,698.00
Available for Purchase
Subject to factory lead times
The GF Signet 2822 Conductivity/Resistivity Electrode is a 2-electrode sensor with multiple cell constant options (0.1, 1.0, or 10.0 cm⁻¹) in a compact inline body. It is designed for use with Signet 2850 sensor electronics and 9900/9950 transmitters, supporting a wide range of conductivity and resistivity measurement applications. This specific variant (3-2822-2K-100) is configured with 2-electrode, PVDF body, 100 mm insertion.
$2,550.91$2,874.00
Available for Purchase
Subject to factory lead times
The GF Signet 2822 Conductivity/Resistivity Electrode is a 2-electrode sensor with multiple cell constant options (0.1, 1.0, or 10.0 cm⁻¹) in a compact inline body. It is designed for use with Signet 2850 sensor electronics and 9900/9950 transmitters, supporting a wide range of conductivity and resistivity measurement applications. This specific variant (3-2822-2K1-025) is configured with 25 mm insertion/cable.
$2,550.91$2,874.00
Available for Purchase
Subject to factory lead times
The GF Signet 2822 Conductivity/Resistivity Electrode is a 2-electrode sensor with multiple cell constant options (0.1, 1.0, or 10.0 cm⁻¹) in a compact inline body. It is designed for use with Signet 2850 sensor electronics and 9900/9950 transmitters, supporting a wide range of conductivity and resistivity measurement applications. This specific variant (3-2822-2K1-050) is configured with 50 mm insertion/cable.
$2,626.35$2,959.00
Available for Purchase
Subject to factory lead times
The GF Signet 2822 Conductivity/Resistivity Electrode is a 2-electrode sensor with multiple cell constant options (0.1, 1.0, or 10.0 cm⁻¹) in a compact inline body. It is designed for use with Signet 2850 sensor electronics and 9900/9950 transmitters, supporting a wide range of conductivity and resistivity measurement applications. This specific variant (3-2822-2K1-075) is configured with 75 mm insertion.
$2,473.69$2,787.00
Available for Purchase
Subject to factory lead times
The GF Signet 2822 Conductivity/Resistivity Electrode is a 2-electrode sensor with multiple cell constant options (0.1, 1.0, or 10.0 cm⁻¹) in a compact inline body. It is designed for use with Signet 2850 sensor electronics and 9900/9950 transmitters, supporting a wide range of conductivity and resistivity measurement applications. This specific variant (3-2822-2K1-100) is configured with 100 mm insertion.
$2,626.35$2,959.00
Available for Purchase
Subject to factory lead times
The GF Signet 2822 Conductivity/Resistivity Electrode is a 2-electrode sensor with multiple cell constant options (0.1, 1.0, or 10.0 cm⁻¹) in a compact inline body. It is designed for use with Signet 2850 sensor electronics and 9900/9950 transmitters, supporting a wide range of conductivity and resistivity measurement applications. This specific variant (3-2822-3C-025) is configured with 3m integral cable, 25 mm insertion/cable.
$1,205.34$1,358.00
Available for Purchase
Subject to factory lead times
The GF Signet 2822 Conductivity/Resistivity Electrode is a 2-electrode sensor with multiple cell constant options (0.1, 1.0, or 10.0 cm⁻¹) in a compact inline body. It is designed for use with Signet 2850 sensor electronics and 9900/9950 transmitters, supporting a wide range of conductivity and resistivity measurement applications. This specific variant (3-2822-3C-050) is configured with 3m integral cable, 50 mm insertion/cable.
$1,271.91$1,433.00
Available for Purchase
Subject to factory lead times