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Sales Manager:Ms. Emily Wang

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Add:No. 155 Optoelectronic Industry Accelerator, Gaoxin District, Weifang, Shandong, China

location:Home>Products>Sensors>Water quality sensor>Online ORP Sensor
Online ORP Sensor

Online ORP Sensor

Model:FT-S6

Brand:fengtu

Online ORP Sensor is used for continuous ORP monitoring of a variety of water quality, providing reliable measurement under harsh conditions or in hazardous situations.
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1.Online ORP Sensor Application Environment Description

Online ORP Sensor is used for continuous ORP monitoring of a variety of water quality, providing reliable measurement under harsh conditions or in hazardous situations.Used for environmental water quality testing, various high/low ionic strength water sample testing, and can meet the requirements of most industrial/environmental applications for online ORP measurement.

Signal output: RS485 (MODBUS-RTU).

The indicator electrode is a platinum sheet with high stability.

Internal signal isolation technology, strong anti-interference ability.

Good reproducibility, thermal stability, low drift, small size, fast response

Easy and simple installation, 3/4NPT pipe thread, convenient for submerged installation or installation in pipes and tanks, stable performance and long service life

IP68 waterproof standard

2. Online ORP Sensor Technical Parameters

Measuring principleElectrochemistry (Salt Bridge)
Signal methodRS485 (MODBUS-RTU)
Measuring range-1500mV~+1500mV
Measurement resolution1mV
Measurement accuracy±6mV
Shell materialABS
Cable lengthStandard 5 meters
Supply voltage12-24VDC (0.4W@12V)
Calibration methodSingle point calibration
Measurement environmentTemperature 0~50℃ (no freezing), < 0.2MPa
Waterproof gradeIP68
InstallationImmersion installation, NPT3/4 thread

3. Online ORP Sensor installation and electrical connection

1. Installation

Note: The sensor cannot be installed upside down or horizontally, but must be installed at an angle of at least 15 degrees.

2. Electrical connection

The cable is a 5-core shielded cable, line sequence definition: Brown - power line (12~24VDC)

Black-GND Green-485B

Yellow-485A

The wiring sequence should be carefully checked before powering on to avoid unnecessary losses due to wiring errors.

4. Online ORP Sensor Maintenance and Care

When using the instrument for the first time or after long-term disuse, the sensitive bulb and reference junction should be immersed in 3.3 mol/L KCl solution for more than 2 hours.

When using, it should be washed with deionized water (or distilled water) and wiped dry to prevent impurities from entering the measured liquid. 1/3 of the sensor should be inserted into the measured liquid.

The wiring terminal part should be kept clean and dry. The sensor should be cleaned when not in use and inserted into a protective cover filled with 3.3 mol/L KCI solution, or the sensor should be inserted into a container filled with 3.3 mol/L KCI solution.

Check whether the terminal is dry. If there is any stain, please wipe it with anhydrous alcohol and continue to use it after it is dry. The sensor should avoid being immersed in deionized water, protein solution, strong acid and alkali solution and acid fluoride solution for a long time, and prevent contact with silicone grease. If the platinum sheet of the electrode is stained with grease, it can be gently wiped clean with absorbent cotton dipped in acetone or alcohol. If the stain is an insoluble inorganic substance, it can be scrubbed with 30-50% hydrochloric acid. It can also be wiped once a day with clean high-grade toilet paper.

When the sensor has been used for a long time and measurement errors occur, it can be calibrated and corrected by using the instrument. If the sensor cannot be calibrated and measured after the above maintenance and care, it means that the sensor has failed. Please replace the sensor.


Address:https://fengtutec.com/Water-quality-sensor/Online-ORP-Sensor.html
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