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Online Multi-parameter Self-cleaning Sensor
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Yantai Chemins Instrument Co., Ltd.
Shandong, China
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The online multi-parameter self-cleaning digital sensor is integrated and designed to be reliable and easy to use. Up to 8 parameters can be measured simultaneously. The sensor types can be selected such as dissolved oxygen, COD, pH, ORP, conductivity/salinity, ammonia nitrogen, turbidity, etc.Using the RS-485 bus (Modbus/RTU) communication protocol, data can be directly transmitted to the acquisition platform. The online multi-parameter water quality sensor is equipped with an automatic cleaning device, which can set the automatic cleaning interval and the number of automatic cleaning cycles to suit the water quality of different cleaning levels. The automatic cleaning device can effectively clean the sensor surface to prevent microbial adhesion and greatly reduce maintenance costs. Each sensor is equipped with a quick-release waterproof connector for easy assembly and disassembly. The sensor cover at the front end is used to protect the internal sensor from damage. Thecoveriscovered with a slot to prevent large suspended particles and biological damage to the sensor probe without affecting the accuracy of the measurement.
Dissolved oxygen sensor
Measuring range
020mg/L
Accuracy
±0.4mg/L
Resolution
0.01mg/L
Turbidity sensor
Measuring range and
Accuracy
0100NTU
±3%or±2NTU
01000NTU
±5%or±3NTU
Resolution
0.1NTU
Conductivity/salinity sensor
Measuring range and
Resolution
05000uS/cm
1uS/cm
0200mS/cm
0.1mS/cm
070PSU
0.1PSU
Accuracy
±1.5% F.S.
COD sensor
Measuring range
COD
Turbidity
0200mg/L Equiv. KHP
0100NTU
0500mg/L Equiv. KHP
0200NTU
COD accuracy
±5%F.S.
COD resolution
0.1mg/L
Turbidity accuracy 
±5%F.S.
Turbidity resolution
0.1NTU
pH sensor
Measuring range
014pH
Accuracy
±0.1pH
Resolution
0.01pH
ORP sensor
Measuring range
-1500mV+1500mV
Accuracy
±6mV
Resolution
1mV
Ammonia nitrogen sensor
Measuring range
0100mg/L or 01000mg/L
Accuracy
±10% or ±2mg/L
Resolution
0.1mg/L
Temperature
Measuring range
050℃
Accuracy
±0.5℃
Resolution
0.1℃
Other Information on Multi-parameter sensor
Output
RS-485(Modbus/RTU)
Cleaning method
Automatic cleaning
Power consumption
5W@12V
power supply
12VDC±5%
Cable length
5 meters, another length can be customized

Model MPS-400

Features

  • Digital sensor, RS-485 bus (Modbus/RTU) communication protocol.
  • Equipped with an automatic cleaning device, it can effectively clean the sensor surface to prevent microbial adhesion, have more accurate measurements, and lower maintenance costs.
  • Optional digital sensors such as dissolved oxygen, COD, conductivity/altitude, turbidity, ammonia nitrogen, pH, ORP, etc., are suitable for long-term online monitoring.
  • Integrated design, can measure 8 parameters (including temperature) at the same time.



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