Hangzhou Qiwei Instrument Co., Ltd. is one of the leading manufacturers and suppliers of portable ammonia nitrogen meter in China. With a professional production team, we are able to meet the needs of the majority of our customers. Welcome to wholesale bulk portable ammonia nitrogen meter in stock here from our factory. We also accept customized orders.
product key technologies
Ammonia nitrogen (NH3-N) exists in water mainly in two forms: free ammonia (NH3) and ammonium ions (NH4+). The proportion of these two forms depends on the pH value of the water sample.
At higher pH levels, free ammonia accounts for a larger share; conversely, ammonium ions become dominant at lower pH.
As a key indicator of water pollution, ammonia nitrogen is closely related to water eutrophication, aquatic toxicity and ecological safety, making it an essential testing item in water quality analysis.
Technical Parameter
|
Model |
AD-82B |
|
Measuring Range |
0.00~10 mg/L |
|
Indication Error |
±5% FS |
|
Repeatability |
≤3% |
|
Size |
266×200×130 mm |
|
Operating Conditions |
⑴ Environmental Temperature: 5~40℃ |
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