The separate design of digestion and determination does not affect the accuracy, COD digestion is completed in 15 minutes, 30 standard Linear dispersion and 199 sets of data can be saved, 4-16 water sample batches are supported, and IP65 waterproof and dustproof design is adopted.
15 minutes to quickly heat up to the set temperature, temperature control accuracy of +/- 0.5 ℃, using multi-point calibrated to eliminate temperature errors, standard imported Glass digestion tube resistant to sudden cooling and sudden heating without bursting.
Colorimetric integrated tube design, no need to transfer liquid, support more than 10 measurements to take the average value, measurement error ≤ +/- 5%, Repeatability ≤ +/- 5%, built-in two COD detection methods, can expand a variety of water quality paraMeter detection.
Optical inspection system using imported cold Illuminant and narrow band interference, Optical inspection stability is less than 0.002A/20min, digestion temperature accuracy +/- 0.5 ℃, support COD and ammonia nitrogen dual paraMeter measurement, can save multiple standard Linear dispersion and data.
Using sealing catalytic digestion and Colorimetry measurement, the measurement range is 5~ 2000mg/L, the repeability is less than or equal to 3%, and the batch processing of 12 water samples is supported, and the operation is simple and time-saving.
Colorimetric digestion integrated tube design, no need to transfer liquid; the water sample for more than 10 measurements to take the average value, reduce the error; built-in two COD detection methods, Measurement range 0-20000mg/L.
Using 420nm and 620nm dual wavelength LED Illuminant, supports high and low concentration COD detection, Measurement range 0-1500mg/L can be extended to 15000mg/L, built-in 2000 data storage and automatic printer.
With standard COD, total phosphorus, total nitrogen working procedures, support custom temperature and time; using new temperature control algorithm, heating uniform and fast, heating up to 165 ℃ only 12 minutes, temperature control accuracy +/- 1 ℃; one-button operation, with automatic alarm and transparent protective cover.
Using sealing catalytic digestion technology, the measurement range is 5~ 2000mg/L, the repeability is less than or equal to 3%, the batch processing of 16 water samples is supported, and the PID automatic temperature control and data storage function are provided.
Colorimetric integrated tube design, sample digestion and result reading share a tube, no need to transfer liquid; more than 10 measurements of water samples and removal of abnormal values are averaged to reduce errors; built-in two COD detection methods, Measurement range 0-20000mg/L, detection limit as low as 2mg/L.
Adopt air condensation technology instead of water condensation, Temperature control accuracy +/- 2 ℃, equipped with 12 heating holes, heating up to 170 ℃ time is less than 30 minutes, support segmented timing function.
Using electric heating to directly generate high voltage steam, the highest Operating temperature 135 ℃ and accuracy of 0.1 degrees, with time temperature level control and automatic pressure chill down, 3 minutes after cooking items can be reduced to 20-40 ℃.
Adopt cold Illuminant narrow-band interference Optical inspection system, Optical inspection stability is less than 0.002A/20min, support room temperature to 180 ℃ stepless temperature control, anti-chlorine interference up to 2000mg/L, batch processing of 20 water samples, easy to operate without changing pipes.
With a concentration of 150mg/L and a capacity of 250mL, it is suitable for a variety of water quality analysis instruments, providing accurate chemical oxygen demand calibrated to ensure Reliability of test results.
With a concentration of 1500mg/L and a specification of 250mL, it is suitable for chemical oxygen demand detection and calibrating of various water quality analytical instruments to ensure measurement accuracy and experimental Reliability.
