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TGH-SNS Online automatic monitor of ammonia nitrogen (salicylic acid) water quality

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TGH-SNS Online automatic monitor of ammonia nitrogen (salicylic acid) water quality


Instrument is introduced
TGH SNSNH3 - N water quality on-line automatic monitor using salicylic acid reagent colorimetric method, according to the scene setting unattended automatic continuous work for a long time, depending on the complexity of the working condition of field test, optional corresponding pretreatment system, to ensure that the test results are accurate and reliable process, fully meet the requirements of different occasions. This product is suitable for wastewater with ammonia nitrogen in the range of 0500mg/L. Excessive calcium and magnesium ions, residual chlorine or turbidity may interfere with the measurement.
The performance characteristics of
The principle and process of instrument testing completely conform to the relevant standards of the industry; Simple maintenance and low running cost
Convenient maintenance, low failure rate and long service life
Automatic calibration and cleaning
Data storage records are never lost; Energy saving, no secondary pollution
Automatic alarm, automatic diagnosis, automatic elimination of residual reactants and automatic recovery

Method of measurement

Salicylic acid spectrophotometric colorimetry

Measurement cycle

Minimum test cycle 20 min, according to the environment, can be in 5 ~ 120 min change color any time

Measuring range

0~500mg/L (step0~8 mg/L、0.1~30mg/L 5~500 mg/L

Sampling period

Time interval (adjustable), hour or trigger measurement mode can be set

resolution of the

0.001 mg/L

Calibration cycle

Automatic calibration (1~99 days adjustable), according to the actual water sample, manual calibration can be set

Accuracy of


Maintenance cycle

The maintenance interval is more than 1 month, about 30min each time



Reagent consumption

Generally less than 0.3 yuan/sample

Zero drift


Man-machine operation

Touch screen display and command input

Span drift


Input interface

Switch quantity

Detection limit

0.02 mg/L

Output interface

2 channel RS232 digital output, 1 channel 4~20mA analog output

Data is stored

No less than half a year data storage

Work environment

Indoor work, the recommended temperature is 5~28C, the humidity is less than 90% (no condensation)

Power supply requirements

AC220V soil 15%, 50~60Hz, 5A


Height 1500X width 550X depth 465 (mm)


Corresponding parameter set not found, please add it in property template of background
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