DO-6800 is an online intelligent dissolved oxygen detector produced by our company with foreign technology. It adopts imported components and dissolved oxygen film head, based on the latest polarographic analysis technology, advanced production technology and surface mount technology. Using this series of advanced analytical techniques to ensure the long-term stability and reliability of the instrument.
DO-6800 is an online intelligent dissolved oxygen detector produced by our company with foreign technology. It adopts imported components and dissolved oxygen film head, based on the latest polarographic analysis technology, advanced production technology and surface mount technology. Using this series of advanced analytical techniques to ensure the long-term stability and reliability of the instrument. It has Chinese/English menu operation, notebook storage measurement data, 485 communication and other functions. Can be widely used in chemical fertilizer, metallurgy, sewage treatment aeration, environmental water treatment engineering, pharmaceutical, biochemical, food, aquaculture and tap water and other solutions in the continuous monitoring of dissolved oxygen values.
Large screen LCD display, support English menu (switching from each other).
Simultaneous display of multiple parameters: dissolved oxygen value, temperature, output current, alarm point, etc. are displayed at the same time, which is intuitive and easy to read, and has a range over limit prompt.
The screen displays the alarm status and can be accompanied by the switch ON/OFF signal output.
Communication function: RS485 and 4-20mA interfaces are all optical isolation technology. The RS-485 communication interface is compatible with the MODBUS part of the protocol (optional) and can be converted to RS-232. It has two 4-20 mA outputs, corresponding to temperature and DO value respectively. The DO value corresponding to 4-20 mA current output can be set arbitrarily; the other 4-20 mA current output defaults to 0-130 °C; in some fields widely used. Support the company's internal IoT and customer-customized Internet of Things.
With automatic cleaning function, use running water to cleaning device.
Optional with the company's host computer online acquisition software for data acquisition and processing.
Note book: It can store 50 DO measurement data, users can record measurement data as needed.
Historical curve: It can record 50 sets of DO historical data (sampling time- interval is 1-240minutes), and has a query function.
Automatic identification of standard solution and capable for factory reset.
Watchdog function: make sure the meter doesn't crash.
Power off protects > 10 years.
Measuring range: 0~200.0ug/L, 0~20.00mg/L, 0~60℃ (note:ug instrument need DO-6800G).
Resolution: 0.1ug/L, 0,01mg/L, 0,1℃.
Accuracy: ug/L: ±1.0%FS; mg/L:±0.5%FS， ±0.3℃.
Automatic temp compensation: 0~60℃.
Control interface: two group of ON/OFF relay contacts are divided into upper and lower limit alarm control.
Automatic cleaning interface: a set of automatic cleaning control points, cleaning time 0-9999 seconds, interval time 0-9999 minutes.
4-20ma output: two current output, photoelectric isolation protection, improve anti-interference capability, 4-20ma corresponding range can be reversed output.
485 interface: optically isolated output, support for IOT, (partially compatible with MODBUS protocol).
Relay:The relay hysteresis is arbitrarily set, relay load 3A 220VAC
Working conditions: Ambient temperature is 0~60°C, relative humidity ≤90%.
Output load: <750Ω（4-20mA）
Working voltage: 220VAC ±10%, 50/60hz or DC24V and DC12V.