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 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-075) is configured with 3m integral cable, 75 mm insertion.

$1,350.90$1,522.00

You save 11%
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-100) is configured with 3m integral cable, 100 mm insertion.

$1,427.23$1,608.00

You save 11%
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 (3-2822-3C1-025) is configured with 3m cable, alternate fitting, 25 mm insertion/cable.

$1,205.34$1,358.00

You save 11%
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 (3-2822-3C1-050) is configured with 3m cable, alternate fitting, 50 mm insertion/cable.

$1,271.91$1,433.00

You save 11%
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 (3-2822-3C1-075) is configured with 3m cable, alternate fitting, 75 mm insertion.

$1,350.90$1,522.00

You save 11%
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 (3-2822-3C1-100) is configured with 3m cable, alternate fitting, 100 mm insertion.

$1,427.23$1,608.00

You save 11%
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 (3-2822-3K-025) is configured with 3-electrode, PVDF body, 25 mm insertion/cable.

$2,394.70$2,698.00

You save 11%
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 (3-2822-3K-050) is configured with 3-electrode, PVDF body, 50 mm insertion/cable.

$2,473.69$2,787.00

You save 11%
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 (3-2822-3K1-025) is configured with 25 mm insertion/cable.

$2,394.70$2,698.00

You save 11%
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 (3-2822-3K1-050) is configured with 50 mm insertion/cable.

$2,473.69$2,787.00

You save 11%
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-WTA-A) is configured with wet-tap assembly.

$2,826.06$3,184.00

You save 11%
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-WTA-B) is configured with wet-tap assembly.

$2,826.06$3,184.00

You save 11%
Available for Purchase

Subject to factory lead times

The GF Signet 2823 Conductivity/Resistivity Electrode provides high-accuracy contacting conductivity measurement for demanding process applications. Available with various cell constants and materials, it interfaces with Signet 2850 sensor electronics for full transmitter system integration.

$1,132.56$1,276.00

You save 11%
Available for Purchase

Subject to factory lead times

The GF Signet 2823 Conductivity/Resistivity Electrode provides high-accuracy contacting conductivity measurement for demanding process applications. Available with various cell constants and materials, it interfaces with Signet 2850 sensor electronics for full transmitter system integration. This specific variant (3-2823-2K-025) is configured with 2-electrode, PVDF body, 25 mm insertion/cable.

$2,522.51$2,842.00

You save 11%
Available for Purchase

Subject to factory lead times

The GF Signet 2823 Conductivity/Resistivity Electrode provides high-accuracy contacting conductivity measurement for demanding process applications. Available with various cell constants and materials, it interfaces with Signet 2850 sensor electronics for full transmitter system integration. This specific variant (3-2823-2K-050) is configured with 2-electrode, PVDF body, 50 mm insertion/cable.

$2,473.69$2,787.00

You save 11%
Available for Purchase

Subject to factory lead times

The GF Signet 2823 Conductivity/Resistivity Electrode provides high-accuracy contacting conductivity measurement for demanding process applications. Available with various cell constants and materials, it interfaces with Signet 2850 sensor electronics for full transmitter system integration. This specific variant (3-2823-2K1-025) is configured with 25 mm insertion/cable.

$2,394.70$2,698.00

You save 11%
Available for Purchase

Subject to factory lead times

The GF Signet 2823 Conductivity/Resistivity Electrode provides high-accuracy contacting conductivity measurement for demanding process applications. Available with various cell constants and materials, it interfaces with Signet 2850 sensor electronics for full transmitter system integration. This specific variant (3-2823-2K1-050) is configured with 50 mm insertion/cable.

$2,473.69$2,787.00

You save 11%
Available for Purchase

Subject to factory lead times

The GF Signet 2823 Conductivity/Resistivity Electrode provides high-accuracy contacting conductivity measurement for demanding process applications. Available with various cell constants and materials, it interfaces with Signet 2850 sensor electronics for full transmitter system integration. This specific variant (3-2823-3K-025) is configured with 3-electrode, PVDF body, 25 mm insertion/cable.

$2,394.70$2,698.00

You save 11%
Available for Purchase

Subject to factory lead times

The GF Signet 2823 Conductivity/Resistivity Electrode provides high-accuracy contacting conductivity measurement for demanding process applications. Available with various cell constants and materials, it interfaces with Signet 2850 sensor electronics for full transmitter system integration. This specific variant (3-2823-3K-050) is configured with 3-electrode, PVDF body, 50 mm insertion/cable.

$2,473.69$2,787.00

You save 11%
Available for Purchase

Subject to factory lead times

The GF Signet 2823 Conductivity/Resistivity Electrode provides high-accuracy contacting conductivity measurement for demanding process applications. Available with various cell constants and materials, it interfaces with Signet 2850 sensor electronics for full transmitter system integration. This specific variant (3-2823-3K-075) is configured with 3-electrode, PVDF body, 75 mm insertion.

$2,550.91$2,874.00

You save 11%
Available for Purchase

Subject to factory lead times

The GF Signet 2823 Conductivity/Resistivity Electrode provides high-accuracy contacting conductivity measurement for demanding process applications. Available with various cell constants and materials, it interfaces with Signet 2850 sensor electronics for full transmitter system integration. This specific variant (3-2823-3K-100) is configured with 3-electrode, PVDF body, 100 mm insertion.

$2,626.35$2,959.00

You save 11%
Available for Purchase

Subject to factory lead times

The GF Signet 2823 Conductivity/Resistivity Electrode provides high-accuracy contacting conductivity measurement for demanding process applications. Available with various cell constants and materials, it interfaces with Signet 2850 sensor electronics for full transmitter system integration. This specific variant (3-2823-3K1-025) is configured with 25 mm insertion/cable.

$2,394.70$2,698.00

You save 11%
Available for Purchase

Subject to factory lead times

The GF Signet 2823 Conductivity/Resistivity Electrode provides high-accuracy contacting conductivity measurement for demanding process applications. Available with various cell constants and materials, it interfaces with Signet 2850 sensor electronics for full transmitter system integration. This specific variant (3-2823-3K1-050) is configured with 50 mm insertion/cable.

$2,473.69$2,787.00

You save 11%
Available for Purchase

Subject to factory lead times

The GF Signet 2823 Conductivity/Resistivity Electrode provides high-accuracy contacting conductivity measurement for demanding process applications. Available with various cell constants and materials, it interfaces with Signet 2850 sensor electronics for full transmitter system integration. This specific variant (3-2823-3K1-075) is configured with 75 mm insertion.

$2,550.91$2,874.00

You save 11%
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-075) is configured with 3m integral cable, 75 mm insertion.

$1,350.90$1,522.00

You save 11%
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-100) is configured with 3m integral cable, 100 mm insertion.

$1,427.23$1,608.00

You save 11%
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 (3-2822-3C1-025) is configured with 3m cable, alternate fitting, 25 mm insertion/cable.

$1,205.34$1,358.00

You save 11%
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 (3-2822-3C1-050) is configured with 3m cable, alternate fitting, 50 mm insertion/cable.

$1,271.91$1,433.00

You save 11%
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 (3-2822-3C1-075) is configured with 3m cable, alternate fitting, 75 mm insertion.

$1,350.90$1,522.00

You save 11%
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 (3-2822-3C1-100) is configured with 3m cable, alternate fitting, 100 mm insertion.

$1,427.23$1,608.00

You save 11%
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 (3-2822-3K-025) is configured with 3-electrode, PVDF body, 25 mm insertion/cable.

$2,394.70$2,698.00

You save 11%
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 (3-2822-3K-050) is configured with 3-electrode, PVDF body, 50 mm insertion/cable.

$2,473.69$2,787.00

You save 11%
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 (3-2822-3K1-025) is configured with 25 mm insertion/cable.

$2,394.70$2,698.00

You save 11%
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 (3-2822-3K1-050) is configured with 50 mm insertion/cable.

$2,473.69$2,787.00

You save 11%
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-WTA-A) is configured with wet-tap assembly.

$2,826.06$3,184.00

You save 11%
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-WTA-B) is configured with wet-tap assembly.

$2,826.06$3,184.00

You save 11%
Available for Purchase

Subject to factory lead times

The GF Signet 2823 Conductivity/Resistivity Electrode provides high-accuracy contacting conductivity measurement for demanding process applications. Available with various cell constants and materials, it interfaces with Signet 2850 sensor electronics for full transmitter system integration.

$1,132.56$1,276.00

You save 11%
Available for Purchase

Subject to factory lead times

The GF Signet 2823 Conductivity/Resistivity Electrode provides high-accuracy contacting conductivity measurement for demanding process applications. Available with various cell constants and materials, it interfaces with Signet 2850 sensor electronics for full transmitter system integration. This specific variant (3-2823-2K-025) is configured with 2-electrode, PVDF body, 25 mm insertion/cable.

$2,522.51$2,842.00

You save 11%
Available for Purchase

Subject to factory lead times

The GF Signet 2823 Conductivity/Resistivity Electrode provides high-accuracy contacting conductivity measurement for demanding process applications. Available with various cell constants and materials, it interfaces with Signet 2850 sensor electronics for full transmitter system integration. This specific variant (3-2823-2K-050) is configured with 2-electrode, PVDF body, 50 mm insertion/cable.

$2,473.69$2,787.00

You save 11%
Available for Purchase

Subject to factory lead times

The GF Signet 2823 Conductivity/Resistivity Electrode provides high-accuracy contacting conductivity measurement for demanding process applications. Available with various cell constants and materials, it interfaces with Signet 2850 sensor electronics for full transmitter system integration. This specific variant (3-2823-2K1-025) is configured with 25 mm insertion/cable.

$2,394.70$2,698.00

You save 11%
Available for Purchase

Subject to factory lead times

The GF Signet 2823 Conductivity/Resistivity Electrode provides high-accuracy contacting conductivity measurement for demanding process applications. Available with various cell constants and materials, it interfaces with Signet 2850 sensor electronics for full transmitter system integration. This specific variant (3-2823-2K1-050) is configured with 50 mm insertion/cable.

$2,473.69$2,787.00

You save 11%
Available for Purchase

Subject to factory lead times

The GF Signet 2823 Conductivity/Resistivity Electrode provides high-accuracy contacting conductivity measurement for demanding process applications. Available with various cell constants and materials, it interfaces with Signet 2850 sensor electronics for full transmitter system integration. This specific variant (3-2823-3K-025) is configured with 3-electrode, PVDF body, 25 mm insertion/cable.

$2,394.70$2,698.00

You save 11%
Available for Purchase

Subject to factory lead times

The GF Signet 2823 Conductivity/Resistivity Electrode provides high-accuracy contacting conductivity measurement for demanding process applications. Available with various cell constants and materials, it interfaces with Signet 2850 sensor electronics for full transmitter system integration. This specific variant (3-2823-3K-050) is configured with 3-electrode, PVDF body, 50 mm insertion/cable.

$2,473.69$2,787.00

You save 11%
Available for Purchase

Subject to factory lead times

The GF Signet 2823 Conductivity/Resistivity Electrode provides high-accuracy contacting conductivity measurement for demanding process applications. Available with various cell constants and materials, it interfaces with Signet 2850 sensor electronics for full transmitter system integration. This specific variant (3-2823-3K-075) is configured with 3-electrode, PVDF body, 75 mm insertion.

$2,550.91$2,874.00

You save 11%
Available for Purchase

Subject to factory lead times

The GF Signet 2823 Conductivity/Resistivity Electrode provides high-accuracy contacting conductivity measurement for demanding process applications. Available with various cell constants and materials, it interfaces with Signet 2850 sensor electronics for full transmitter system integration. This specific variant (3-2823-3K-100) is configured with 3-electrode, PVDF body, 100 mm insertion.

$2,626.35$2,959.00

You save 11%
Available for Purchase

Subject to factory lead times

The GF Signet 2823 Conductivity/Resistivity Electrode provides high-accuracy contacting conductivity measurement for demanding process applications. Available with various cell constants and materials, it interfaces with Signet 2850 sensor electronics for full transmitter system integration. This specific variant (3-2823-3K1-025) is configured with 25 mm insertion/cable.

$2,394.70$2,698.00

You save 11%
Available for Purchase

Subject to factory lead times

The GF Signet 2823 Conductivity/Resistivity Electrode provides high-accuracy contacting conductivity measurement for demanding process applications. Available with various cell constants and materials, it interfaces with Signet 2850 sensor electronics for full transmitter system integration. This specific variant (3-2823-3K1-050) is configured with 50 mm insertion/cable.

$2,473.69$2,787.00

You save 11%
Available for Purchase

Subject to factory lead times

The GF Signet 2823 Conductivity/Resistivity Electrode provides high-accuracy contacting conductivity measurement for demanding process applications. Available with various cell constants and materials, it interfaces with Signet 2850 sensor electronics for full transmitter system integration. This specific variant (3-2823-3K1-075) is configured with 75 mm insertion.

$2,550.91$2,874.00

You save 11%
Available for Purchase

Subject to factory lead times