I.Yokogawa pH Sensor FU20 features
1. High-precision measurement: FU20-05-T1-NPT is equipped with an integral Pt1000 temperature element, which significantly improves the measurement accuracy.
2. Anti-pollution design: Its reference electrode adopts a double liquid junction and a long diffusion path design to effectively prevent reference system contamination and ensure long-term stable operation.
3. Long-life design: The large-capacity polymer electrolyte and porous PTFE (polytetrafluoroethylene) diaphragm design extend the service life of the sensor.
4. Versatility: The sensor can not only measure pH, but also measure oxidation-reduction potential (ORP) at the same time, which is suitable for a variety of measurement needs.
5. Easy maintenance: Its highly compatible design and simple maintenance steps make daily maintenance work more convenient.
6. Easy installation: FU20-05-T1-NPT has a 3/4” NPT threaded connection, which is suitable for online and immersion applications, and is simple and quick to install.
II.What is the purpose of Yokogawa FU20 pH sensor ?
The main functions of Yokogawa pH meter FU20 products include simultaneous measurement of pH, oxidation-reduction potential (ORP), and temperature.
The FU20 sensor is an all-in-one device suitable for a variety of wastewater and process applications, providing a simple and cost-effective solution. It is able to measure pH, ORP, and temperature simultaneously to meet a variety of monitoring needs.
Technical specifications and design features
1. Temperature element : The FU20 sensor is equipped with an integral Pt1000 temperature element to improve the accuracy of measurement.
2. Reference electrode : The double liquid junction and long diffusion path design enhance the anti-pollution ability.
3. Electrolyte and diaphragm : The use of large-capacity polymer electrolyte and porous PTFE (polytetrafluoroethylene) diaphragm prolongs the service life.
4. Electrode material: Use glass/platinum electrodes, suitable for liquid grounding or ORP measurement
5. Installation method: Designed with a sturdy Ryton body, connected by 3/4-inch tapered threads at both ends of the sensor, it is easy to install online and immersion use.
III.How to use Yokogawa pH meter FU20？
Preparation: First, plug in the power supply and turn on the power switch. Then remove the detection electrode and clean it with distilled water.
1. Calibration: Use a calibration solution with a pH value of 7.0 for the first calibration.
Then use a calibration solution with a pH value of 4.00 for the second calibration (clean with distilled water before calibration).
2. Measurement: Insert the composite electrode into the solution to be tested, and read the pH value, which is the pH value of the solution to be tested.
Maintenance: After the test, clean the electrode, put the electrode back in place, and turn off the power.
Main features and application scenarios of FU20 sensor:
1. Simultaneous measurement of pH and ORP: The FU20 sensor can measure pH and oxidation-reduction potential (ORP) simultaneously.
2. High-precision temperature element: Built-in integrated Pt1000 temperature element to enhance measurement accuracy.
3. Anti-pollution design: Double contact and long diffusion path design effectively prevent reference system contamination.
4. Long life design: Large-capacity polymer electrolyte and PTFE microporous membrane extend service life.
5. Application scenarios: Applicable to sewage treatment and water supply facilities, pH measurement and control, etc.
Yokogawa pH meter FU20 series mainly includes the following models：
FU20-03-T1-NPT: This all-in-one sensor can measure pH, ORP and temperature simultaneously, suitable for a variety of wastewater and process applications. Its measurement range is pH 2 to 12, ORP -1500 to 1500 mV, solution temperature is -5 to 105°C, solution pressure is 0 to 1 MPa, solution conductivity is 50 μS/cm or higher, and solution flow rate is 2 m/s.
FU20-05-T1-NPT: This model of sensor is mainly used in high-purity water applications.
FU20-10-T1-NPT: Suitable for high-purity water applications.
These sensor models all have the following common features:
Measurement range: pH 2 to 12, ORP -1500 to 1500 mV
Solution temperature: -5 to 105°C
Solution pressure: 0 to 1 MPa
Solution conductivity: 50 μS/cm or higher
Solution flow rate: 2 m/s
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