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Máy phân tích Asen tổng trực tuyến TAsG-3057
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Description
TAsG-3057
ONLINE TOTAL ARSENIC ANALYZER
The online and automatic total arsenic analyzer is an optical method heavy metal online analyzer designed in accordance with national environmental protection standards. It is applied to the simultaneous online analysis of various heavy metal elements in water quality such as surface water, industrial process water and industrial wastewater.
Measuring principle:
After the water sample is digested by acid at high temperature and then mixed with the regulator, the arsenic in the sample reacts with the indicator to form a colored complex in the presence of an acidic environment and an indicator, and the analyzer detects the change of the color. And convert this change into the total arsenic value output. The amount of colored complex formed is equivalent to the total amount of arsenic.
Standard
Arsenic molybdenum blue spectrophotometry
Measuring range
0.00-3.00 mg/L
Accuracy
≤±10% when ≥0.2mg/L; ≤±0.02mg/L when ＜0.2mg/L
Repeatability
≤±5%
Stability
≤±10% in 24 hours
Measurement period
The minimum measurement period is 50 minutes, according to the actual water sample, The digestion time can be modified from 5 to 120 minutes.
Sampling period
Time interval(55~9999min adjustable by yourself) and Integral time measurement mode;
Calibration period
Adjustable in 1~99days;
Maintenance period
Usually one time per month and 30 minutes each time
Output
4~20mA( 2 ways) RS232,RS485
It should be indoor and temperature can be adjustable. The recommend temperature is +5~28℃;humidity≤90%（no dew）
Power
AC220±10% V，50±10% Hz，5 A;
Dimension size
Height 1450×Width510×Length 450 mm;
Data saved
The data can be saved when abnormal alarms and power off.
Display
Touch screen and Command Input
Other
When Reset after abnormal alarm and power on after off, the instrument automatically discharges residual reactants in the instrument and automatically resumes working status.
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