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Ammonia Sensor – NH 351

The ammonia nitrogen range of sewage is generally between 5-50mg/L, this range refers to the content of ammonia nitrogen in sewage, ammonia nitrogen refers to the total amount of ammonia and amino ions in water. Ammonia nitrogen is an important water quality index, which can reflect the decomposition of organic pollutants in water and the ecological environment in water bodies. Ammonia nitrogen values need to be monitored in many industries, such as sewage treatment plants, chemical plants, aquaculture, food processing industries, etc. The reason these industries need to monitor ammonia nitrogen values is because they produce a large amount of wastewater, which contains a large amount of ammonia nitrogen, which can cause great harm to the environment if not treated in time. This NH351 in-line Nh4-N Ammonia Sensor adopts ion selection method, accurate measurement, fast response, with self-cleaning brush, can be automatically cleaned underwater.

Features of NH4-N Ammonia Sensor
● Use ISE(ion electrode ) measurement method;
● Integrate ammonium ion, pH and reference electrode, temperature electrode, potassium ion (optional);
● Realize online real-time monitoring, without adding any reagents during the detection process, and no secondary pollution;
● Automatically compensates for potassium ions (optional), pH and temperature in the water body;
● Integrated measuring tube structure, small size, convenient operation, fast detection speed, suitable for rapid, frequent and continuous measurement in the field;
● RS485 digital interface, standard Modbus communication protocol, support access to standard industrial control system;
● Have excellent repeatability and stability, and is not easily affected by ambient light;
● The Ammonia Analyzer has self-cleaning brushto prevent biological attachment andreduce the frequency of maintenance.

Specification
Measuring Range pH:0~14pH ORP:-2000~2000mV Temp.:-10~150℃
Resolution pH:0.01pH ORP:1mV Temp.:0.1℃
Temp. Compensation automatic (PT1000/NTC10K) or manual
Accuracy 0.1% FS or pH: ± 0.02pH, ORP: ±2mV, take the larger one
Display Screen 3.2 inch LCD screen
System Language English
Calibration Method pH: 3 points; ORP: 2 ponits
Password Six-digit passcode setting
Relay Output 2 SPST relays,max. load 3A/250VAC
Current Output 0/4~20mA
Protection Grade IP66
Working Temperature 0~60°C
Storage Temperature 20~70°C
Dimension 100*100*120mm
Material Enhanced ABS
Power Supply AC:100~240VAC, 50~60Hz;DC:18~36VDC

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