Overview
DO-6800 is an industrial online dissolved oxygen instrument produced by Noble brand with foreign technology. It adopts imported components and dissolved oxygen film head, based on polarographic analysis technology and surface mount process to ensure long-term stable and reliable work. With Chinese/English menu operation, data storage and 485 communication function, it is widely used in chemical fertilizers, metallurgy, sewage treatment, environmental protection engineering, biochemical, food, aquaculture and tap water solutions such as continuous monitoring of dissolved oxygen.
Features
1. New IP65 waterproof, dustproof and moisture-proof shell, Appearance generous and high-end
2. Optional automatic cleaning function, using tap water cleaning method
3. High Accuracy, High Stability, Strong Anti-jamming Ability
4. Using imported components and dissolved oxygen film heads, based on polarographic analysis technology
5. Large screen dot matrix LCD display, support Chinese and English menu switching
6. Multi-Parameter simultaneous display: dissolved oxygen value, temperature, output current, alarm point, etc
7. The screen displays the alarm status and is accompanied by switch signal output
8. Automatic temperature compensation 0~ 60 ℃ and salinity compensation, optional manual correction
9. With RS-485 communication interface, convertible RS-232, supports the Internet of Things
10. Two 4~ 20mA current outputs, one of which is optional
11. Record 50 sets of historical data and have query function
12. Store 50 measurement data, user can query
13. The hysteresis is arbitrarily set to avoid frequent operation of the relay
14. Watch dog function to ensure that the meter does not crash
15. The core components are all from foreign brands
16. Factory settings can be restored, power failure protection > 10 years
Principle
Based on polarographic analysis technology, imported components and dissolved oxygen film head are used for dissolved oxygen detection, automatic temperature compensation and salinity compensation are used to ensure measurement accuracy, and surface mount technology and advanced production technology are used to ensure long-term stable operation of the instrument.
Applications
Chemical fertilizers, metallurgy, wastewater treatment aeration, environmental protection water treatment engineering, biochemistry, food, aquaculture, tap water
Standards
MODBUS protocol partially compatible
Steps
1. Install the instrument to the disk, the opening size is 92 × 92mm
2. Connect the working power supply: 220VAC or book DC24V/DC12V
3. Set up the Chinese/English menu operation interface
4. Automatic temperature compensation and salinity compensation settings
5. Optional connection to automatic cleaning device
6. Set the corresponding value of 4~ 20mA current output
7. Configure the RS-485 communication interface
8. Set the relay alarm point and hysteresis
9. Begin continuous monitoring of dissolved oxygen levels
10. View real-time data and historical Linear dispersion through the screen
Notice
• The environment temperature should be kept within the range of 0~ 60 ° C
• relative humidity must not exceed 90%
• 4~ 20mA output load should be less than 750Ω
• Relay load is 3A 220VAC
• Microgram instrument needs to be equipped with DO-6800G model
• Automatic cleaning function and some communication functions are optional
• Please read the operating instructions carefully before use
