Products
TGH-SNS Online automatic monitor of ammonia nitrogen (salicylic acid) water quality
TGH-SNS Online automatic monitor of ammonia nitrogen (salicylic acid) water quality
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 |
≤土5% |
Maintenance cycle |
The maintenance interval is more than 1 month, about 30min each time |
Repeatability |
≤2% |
Reagent consumption |
Generally less than 0.3 yuan/sample |
Zero drift |
≤t0.02mg/L |
Man-machine operation |
Touch screen display and command input |
Span drift |
≤土1% |
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 |
Size |
Height 1500X width 550X depth 465 (mm) |