Measurement principle

　　Water samples first by the acid high-temperature digestion and then mixed with the regulator, arsenic in the sample in the acidic environment and the presence of indicator, and the indicator reaction to generate a colorful complex, the analyzer detects this color change, and this change is converted to the total arsenic value output. The amount of colorful complex generated is equivalent to the total arsenic.

Main Features

　　Touch screen display and command input, multiple sampling and measurement modes, unique design, lower failure rate, lower maintenance, lower reagent consumption and higher cost performance.

Technical indicators

　　I. Method basis: Arsenic molybdenum blue spectrophotometric detection.

　　Second, the amount of range: 0 mg / L-5mg / L.

　　Accuracy: not more than ±10%.

　　Repeatability: not more than ±5%.

　　V. Measurement period: the minimum measurement period is 35min.

　　VI. Sampling cycle: time interval (10min-9999 min arbitrarily adjustable) and whole point measurement mode.

　　VII, calibration cycle: 1-99 days any interval any moment adjustable.

　　VIII. Maintenance cycle: generally once a month, each time about 30 min.

　　Nine, reagent consumption: less than 0.5 yuan / sample.

　　X. Output: 1 RS-232, 1 RS485, 2 (4-20mA).

　　XI, environmental requirements: temperature-adjustable indoor, recommended temperature +5 ℃AC28 ℃; humidity ≤ 90% RH (no condensation).

　　XII, power supply: AC220 ± 10% V, 50 ± 10% Hz, 5 A.

　　XIII. Dimensions: H1500 mm × W500 mm × D450 mm.

　　XIV. Others:

　　1) Abnormal alarm and power failure will not lose data;

　　2) Touch screen display and command input;

　　(3) Abnormal reset and power failure after power, the instrument automatically discharges the residual reactants in the instrument and automatically restores the working state.