Ammonia Nitrogen Analyzer-Ammonia Nitrogen Online Automatic Monitor

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Shanghai Kuosi Electronic Co., Ltd.

Shanghai, China

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Description
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Ammonia nitrogen in water refers to ammonia in the form of free ammonia, which mainly comes from the decomposition products of nitrogen-containing organic matter in domestic sewage under the action of microorganisms, industrial wastewater such as coking synthetic ammonia, and farmland drainage.

When the ammonia nitrogen content in the water body is high, it is toxic to fish, and it is also harmful to humans to varying degrees.

Determination of ammonia nitrogen content in water helps to evaluate water pollution and "self-purification" status, so ammonia nitrogen is an important indicator to characterize water pollution.

model	QZ300
Method basis	HJ /T 101-2003 "Technical Requirements for Automatic Ammonia Nitrogen Water Quality Analyzers" - Salicylic Acid Spectrophotometry
Measuring range	0.1~300mg/L ammonia nitrogen
Accuracy	Indication error <=±10%
repeatability error	<=±10%
Measurement period	The measurement period is as low as 20min. According to the actual water sample, the digestion time can be arbitrarily modified within 5~120min.
The sampling period	Time interval ( 20~9999min can be adjusted arbitrarily) and whole point measurement mode
Correction	The instrument can periodically perform sensitivity and zero calibration
Calibration cycle	1~99 days, adjustable at any interval at any time
maintenance cycle	Usually once a month, about 30min each time
Analog output	2 channels 4~20mA
Signal interface	RS232 or RS485
Switch	6 groups of relay control, capacity 220VAC/2A
Comparison of actual water samples	Error <=±10%
MTBF	>= 720h/ time
Environmental requirements	Recommended temperature +5~28 ℃; humidity <= 90% (non-condensing)
size	Height 1420 × Width 500 × Depth 400 ( mm )
power supply	AC220 ± 10%V , 50 ± 10%Hz , 5A
other	Abnormal alarm and power failure will not lose data; touch screen display and command input; After an abnormal reset and power failure, the instrument automatically discharges the residual reactant in the device and automatically restores the working state