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Nobo - Model NS-DO103 -Digital Dissolved Oxygen Sensor
Digital difssolved oxygen sensor is one of the new generation of digital water quality monitoring sensor . Support to check the data , debugging and maintenance by mobile APP or computer . It has the advantages of easy maintenance, high stability, excellent repeatability and multi-function.It can measure DO value and temperature value in liquid exactly .It is widely used to online monitor DO value in liquid . Such as , waste water treatment , pure water , circulation water , boiler water , electronic , aquaculture , food , printing and dyeing , plating ,DO armacy , fermentation , chemical industry and tap water ect.
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- Digital dissolved oxygen sensor ,output RS485 signal directly
- High accuracy , high stability , strong anti-jamming
- Automatic temperature compensation
- It can connect to computer, PLC and other equipment which has Rs485/4-20mA signal interface to collect data and maintenance without instrument .It is convenient for users to integrate sensors into industrial control environment ,such as ,upper computer system and the internet of things .
- By using the mobile phone app, the sensor can be collected, debugged and maintained by the wireless network (such as wifig / GPRS) or wired network ( OTG line and 485 / usb module)
- The sensor can be set up by RS485 communication , slave address , baud rate,online calibration ,recoverable factory setting , 4-20ma output range(4-20mA is optional ), coeffcient of proportionality and incremental compensation
- Using two-point calibration method .
- Power off protection >10 years
- The key components are imported from foreign famous brand
- Measuring range:0~20.0 mg/L, 0-60.0℃
- Accuracy :DO:±0.5%FS,TEMP.:±0.3℃
- Measuring principle: primary battery
- Stability :≤0.1mg/L 24h
- Temperature compensation :0~60℃
- 485interface:support to the internet of things (MODBUS Protocol partial compatibility)
- Working condation:Environmental temperature 0-60℃
- Input impedance:≥1×1012Ω
- Output load:4-20mA load <750Ω(Optional )
- Working voltage: DC 5V (RS-485 only) or DC12V (RS-485 and 4-20ma)
- Protection grade:IP68
