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.
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.
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 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.
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.
Platinum Sensor provides linearly stable measurement results, Conductivity Detector cell constant K = 10, Measurement range 0 to 200mS/cm, suitable for high Conductivity Detector liquid detection.
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.
Conductivity Detector cell constant K = 0.1, built-in temperature sensor real-time sensing sample temperature, suitable for low Conductivity Detector liquid measurement.
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.
