1. The sensor can be installed with up to 4 electrochemical electrodes, namely reference electrode, pH electrode, NH4+ electrode and NO3- measuring electrode, and the parameters are optional.
2: The sensor comes with a pH reference electrode and temperature compensation to ensure that it is not affected by pH and temperature and ensure accuracy.
3: It can automatically compensate and calculate ammonia nitrogen (NH4-N), nitrate nitrogen and total nitrogen values through NO3-, NH4+, pH and temperature.
4: Self-developed NH4+, NO3- ion electrodes and polyester liquid junction reference electrodes (unconventional porous liquid junctions), stable data and high accuracy.
5: Among them, the ammonium and nitrate probes can be replaced, which can save costs in the long run.
6: Access to various wireless systems, servers and software.
Wastewater treatment, environmental monitoring, agriculture, industrial process control, scientific research.
Measurement parameters |
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Product name | Water Natrite + Ph +Temperature Sensor
Water Ammonium + Ph +Temperature 3 in 1 Sensor Water Natrite +Ammonium + Ph +Temperature 4 in 1 Sensor |
Measurement method | PVC membrane ion selective electrode, glass bulb pH, KCL reference |
Range | 0.15-1000ppm NH4-N/0.15-1000ppm NO3-N/0.25-2000ppm TN |
Resolution | 0.01ppm and 0.01pH |
Accuracy | 5%FS or 2ppm whichever is greater (NH4-N, NO3-N, TN) ±0.2pH (in fresh water, conductivity |
Operating temperature | 5~45℃ |
Storage temperature | -10~50℃ |
Detection limit | 0.05ppm (NH4-N, NO3-N) 0.15ppm (TN) |
Warranty | 12 months for body, 3 months for reference/ion electrode/pH electrode |
Waterproof level | IP68, 10m Max |
Power supply | DC 5V ±5%, 0.5W |
Output | RS485, Modbus RTU |
Casing material | Main body PVC and titanium alloy, electrode PVC, |
Dimensions | Length 186mm, diameter 35.5mm (protective cover can be installed) |
Flow rate | < 3 m/s |
Response time | Max 45s T90 |
Lifespan* | Main life 2 years or more, ion electrode 6-8 months, reference electrode 6-12 months, pH electrode 6-18 months |
Recommended maintenance and calibration frequency* | Calibrate once a month |
Wireless transmission |
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Wireless transmission | LORA / LORAWAN(EU868MHZ,915MHZ), GPRS, 4G,WIFI |
Provide cloud server and software |
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Software | 1. The real time data can be seen in the software .
2. The alarm can be set according to your requirement. |
Q: How can I get the quotation?
A: You can send the inquiry on Alibaba or the below contact information, you will get the reply at once.
Q:Could I get samples?
A:Yes,we have materials in stock to help you to get the samples as soon as we can.
Q: What’s the common power supply and signal output?
A: Common power supply and signal output is DC: 12-24V, RS485. The other demand can be custom made.
Q: How can I collect data?
A: You can use your own data logger or wireless transmission module if you have , we supply the RS485-Mudbus communication protocol.We can also supply the matched LORA/LORANWAN/GPRS/4G wireless module.
Q: Do you have the matched software?
A:Yes, we can supply the software , you can check the data in real time and download the data from the software, but it need use our data collector and host.
Q: What’s the standard cable length?
A: Its standard length is 5m. But it can be customized, MAX can be 1km.
Q: What's the lifetime of this Sensor?
A: Usually 1-2 years.
Q: May I know your warranty?
A: Yes, usually it’s 1 year.
Q:What’s the delivery time?
A: Usually, the goods will delivered be in 3-5 working days after receiving your payment. But it depends on your quantity.
Just send us an inquiry at the bottom or contact Marvin for more information, or get the latest catalog and competitive quotation.