The BOD value is calculated directly by detecting the height of Hg, which is easy to operate and meets the requirements of national standard accuracy.
Polarography design, equipped with PTFE membrane can be quickly replaced, integrated temperature sensor to achieve temperature compensation, suitable for BOD testing, long probe shaft can be directly loaded into the BOD bottle for 5-day latency measurement.
The Coulomb Titrimetric method does not require a standard titration solution, the third-gear electrolysis current can be selected from 10mA, 20mA, 40mA, and supports Data storage and USB communication. Measurement range 0.0~ 100.0mg/L can be extended to 1000mg/L.
Measurement range of 50ppm dissolved oxygen and 600% Saturation, support pressure, temperature and salinity automatic compensation, can be used continuously for about 200 hours, with IP67 waterproof rating.
With 7-inch TFT display and 1000 sets of data storage, support automatic temperature, salinity and atmospheric pressure compensation, Measurement range 0.00~ 20.00mg/L, accuracy +/- 0.2mg/L, suitable for a variety of dissolved oxygen related paraMeters determination.
Polarographic ElectRode Design, Measurement accuracy up to 0.2mg/L, support salinity and atmospheric pressure compensation, automatic temperature compensation to ensure full scale accuracy, optional test time to calculate oxygen consumption rate, detailed data management functions.
Adopt ALLCOLD ™ equilibrate refrigeration technology, equipped with automatic defrosting function, Temperature range RT + 0~ 60 ℃, Temperature Uniformity +/- 1 ℃, support long-term continuous operation.
Optical inspection fluorescence technology for measurement of dissolved oxygen, no polarization time, fast Response and not affected by Flow velocity; Built-in temperature sensor, Measurement range 0.00-50 mg/L, accuracy up to 1.5% +/- 0.01mg/L; Protection Rating IP68, suitable for harsh environments.
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.
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.
An ultra-thin 12mm diaMeter design for easy measurement in narrow containers, built-in thermistor temperature sensor compensates for 0 to 50 ° C variations, PEI body material and PTFE oxygen permeable membrane for increased durability and maintenance efficiency.
Using high density polyethylene (PE) oxygen permeable membrane to achieve efficient oxygen diffusion, equipped with ABS plastic screw cap structure for easy installation and electrolysis filling, and interact with the current system for accurate measurement of dissolved oxygen concentration.
Using PTFE oxygen permeable membrane, the probe cathode and anode are isolated from the sample, and oxygen passes through the membrane and acts with the polarographic system to generate current to ensure accurate and reliable measurement.
PTFE oxygen permeable membrane ensures oxygen permeability, ABS plastic material enhances durability, screw cap design simplifies installation process, suitable for long-term water quality monitoring applications.
