Xi'an Kacise Optronics Co.,Ltd.
Kacise, understanding your automation needs.
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Online fluorescence dissolved oxygen sensor
Introduction
The KWS630 fluorescent dissolved oxygen sensor utilizes the fluorescence method for the precise measurement of dissolved oxygen in water. Positioned at the top of the sensor is a film coated with a layer of fluorescent material. In the presence of light emitted by the light-emitting diode, the fluorescent material emits fluorescence upon returning from the stressed state to the ground state. The concentration of dissolved oxygen is determined by measuring the duration of this fluorescence.
Additionally, the sensor incorporates a built-in temperature sensor, which automatically compensates for variations in dissolved oxygen values based on temperature changes. This integrated feature enhances the accuracy and reliability of dissolved oxygen measurements by accounting for the influence of temperature on the fluorescence response. The KWS630 fluorescent dissolved oxygen sensor thus offers a robust and efficient solution for monitoring dissolved oxygen levels in water.
Features
Technical Specifications
| product | Online fluorescence dissolved oxygen sensor | |
| principle | Ultraviolet fluorescence method | |
| Measuring range | 0~20mg/L | |
| Response time | 10 sec | |
| accurate | 1% | |
| Protection level | IP68 | |
| Deepest depth | Underwater 60 meters | underwater 10 meters |
| temperature range | 0 ~ 50℃ | |
| Output | Support RS-485, MODBUS protocol | |
| Power supply | DC 5~12V, current <50mA | |
| size | Φ26*177.5 mm | |
| Probe cable length | 10 m, customizable 5 m, 15 m and 30 m cable | |
| Fluorescent cap life | 1 year | |
| Maximum working pressure | 6bar | |
| product material | POM or 316 ss | |
Installation and electrical connection
1. The temperature sensing part of the installation should be immersed below the liquid level to avoid collision with the surface of the membrane head. The membrane head portion should be protected from deposits.
2. Electrical connection
Red line - power cord (12 ~ 24V)
Black line - ground (GND)
Blue line - 485A
White line - 485B
Bare wire - shield
After wiring is completed, it should be carefully checked to avoid incorrect connections before powering up.
Cable specification: Considering that the cable is immersed in water (including sea water) for a long time or exposed to the air, the cable has certain corrosion resistance. The outer diameter of the cable is Φ6 mm and all interfaces are waterproof.
Company Information
Xi'an Kacise is qualified with ISO 9001-2008, GJB 9001B-2009, CE, intrinsic safety explosion-proof and isolated safety explosion-proof certificates, etc. which ensure that our products comply with international standards.
We have been specializing in manufacturing pressure, level and flow measuring instruments and related products for 10 years. Based on experienced technical and management personnel, through efforts of our entire staff, we have become a professional measuring instrument manufacturer and solution provider. And we are continuously trying to improve product quality.
Currently, Kacise sensors have already been exported to America, Spain, Australia, Chile and 20 other countries and regions, and received many favorable feedbacks. Our overseas distributers are also increasing. We regard “reasonable prices, efficient production time and good after-sales service” as our tenet, and hope to cooperate with more customers for mutual development.