AL-AC150Type total nitrogen automatic monitoring instrument

This method is suitable for wastewater with total nitrogen in the range of 0-500mg/L.

Application areas:

Online monitoring of river, lake, reservoir, and groundwater quality

Online monitoring of water quality in waterworks

Online monitoring of water quality at the inlet and outlet of municipal sewage treatment plants

Online monitoring of industrial pollution source wastewater

Main performance parameters

Parameters TECHNICAL INDEX

Measurement range 0-500 mg/L (expandable)

Measurement offline ≤ 0.05mg/L (indication error ± 30%)

Repeatability ≤ 10%

Zero drift ≤± 5.0%

Range drift ≤± 10.0%

The minimum measurement cycle is 30 minutes

Sampling cycle time interval (adjustable from 10 to 9999 minutes) and whole point measurement mode

Calibration cycle: Regular manual calibration, regular automatic calibration function

The maintenance cycle is usually once a month, about 60 minutes each time

Output RS-232, RS-485, 4-20mA (optional)

For indoor environments with adjustable temperature requirements, it is recommended to have a temperature range of+5-28 ℃; Humidity ≤ 90% (non condensing)

Power supply AC230 ± 10% V, 50 ± 10% Hz, 5A

Indication error:

± 5.0% when the concentration of the standard solution is 80% F.S

± 8.0% when the concentration of the standard solution is 50% F.S

± 10.0% when the concentration of the standard solution is 20% F.S

memory effect

80%→20% ± 0.3 mg/L

20%→80% ±0.2 mg/L

Actual water sample comparison test

Water sample concentration<5.0 mg/L ≤ 10.0%

Water sample concentration ≥ 5.0 mg/L ≤ 6.0%