Glass pH Electrode | Industrial Laboratory pH Sensor Bulb Probe
F Sensor with 3/4" thread is an industrial-grade online fluoride ion (F⁻) sensor based on ion-selective electrode (ISE) technology. It comes with standard 3/4-inch NPT thread for easy installation in pipes, tanks and immersion holders.
This digital fluoride sensor supports RS485 MODBUS-RTU communication and optional 4–20mA analog output, enabling seamless connection with PLC, DCS, RTU and monitoring platforms. Isolated power supply and anti-interference circuit ensure stable operation in industrial environments.
It features automatic temperature compensation, one/two-point calibration and power-off data storage. The high-sensitivity fluoride-sensitive membrane ensures accurate measurement. IP68 waterproof and corrosion-resistant PPS housing allow long-term submerged use.
It is widely used in drinking water, groundwater, industrial wastewater, electroplating and fluorine-related process water monitoring.
F Sensor 3/4 is a high-precision industrial sensor with a 3/4-inch (DN20) specification, designed for real-time monitoring of multiple parameters such as fluid (liquid/gas) flow, density, and temperature. Constructed from titanium alloy/corrosion-resistant materials, it features high stability, strong compatibility, and wide working condition adaptability, widely used in process control and metering scenarios in chemical, food, water treatment, energy, and other industries.
Technical Parameters
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Measurement range |
0.1-1900ppm |
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pH range |
5-7pH |
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Resolution |
0.001ppm |
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Accuracy |
±5%FS |
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Temperature range |
0-60℃ |
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Slope |
54±5mV(25C) |
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Sensing element |
Solid film |
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Reproducibility |
±2% |
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membrane resistor |
<50MΩ |
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Signal Output |
4-20mA(Adjustable/Three-wire) |
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Current accuracy |
1%FS |
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Output load |
<750Ω |
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Data Communication |
RS485(MODBUS-RTU) |
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Power Supply |
DC 9-30V(12VRecommend) |
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Pressure range |
0-3 Bar |
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Shell Material |
PC+Stainless steel |
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Thread |
G3/4,G1 |
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Line length |
5-meter standard(customizable) |
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Electrical connection |
Pin-type |
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Protection Level |
IP68 |
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Installation Method |
Immersive |
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Known interference |
OH- |
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Warranty |
6months |
Product Features
Multi-parameter Integrated Measurement
Simultaneously monitors mass flow, volume flow, density, and temperature with a single device, reducing installation and maintenance costs.
igh Precision & Repeatability
Liquid flow repeatability reaches ±0.05%, density repeatability ±0.0005 g/cm³, ensuring metering accuracy.
Strong Corrosion Resistance
Titanium alloy/PTFE materials are compatible with strong acids, alkalis, and highly corrosive fluids, extending service life.
Wide Working Condition Adaptation
Withstands high pressure and wide temperature ranges, meeting the demands of harsh industrial scenarios.
Easy Installation
3/4-inch standard interface, supports direct/side mounting, adapting to various pipeline layouts.
High Stability
No moving parts design reduces failure risks and ensures reliable long-term operation.
Application Fields
Chemical Industry
Flow and density monitoring of corrosive fluids and chemical raw materials
01
Food & Beverage
Hygienic fluid metering, complying with 3-A, EHEDG and other food-grade standards
02
Water Treatment
Flow control of pure water, sewage, and chemical dosing
03
Energy Industry
Precise metering of petroleum, natural gas, and steam
04
Pharmaceutical Industry
High-precision process monitoring of medicinal liquids and solvents
05
Product Application
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