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.
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.
The use of PTFE oxygen permeable membrane to ensure oxygen permeability, spiral cap design for easy installation and electrolysis filling, suitable for Portable dissolved oxygen measurement equipment maintenance.
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.
Detection of oxygen concentration 0~ 25% range, resolution of 0.1%, Response Time ≤ 15 seconds, Portable design, suitable for a variety of environment monitoring needs.
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.
Polarography dissolved oxygen Measurement range 0.00~ 50.00mg/L, Response Time ≤ 45s, support automatic temperature compensation and salinity compensation, with IP65 Protection Rating, Data storage 500 sets and GLP standards.
Polarographic coating ElectRode, Response Time no more than 30 seconds, automatic temperature compensation range 0~ 40 ℃, portable design for easy field operation, Measurement range 0.0~ 20.0mg/L, accuracy +/- 0.3mg/L.
Sterling silver cathode and zinc anode construction, integrated temperature sensor for instant measurement without conditioning time, thin permeable membrane isolates Sensor and allows oxygen to pass, generating current to determine oxygen concentration.
With conductivity 0-2000mS/cm and dissolved oxygen 0-20mg/L wide range measurement, support automatic temperature compensation and air pressure compensation, 3.5 inch color screen display, data storage capacity of 3000 groups, Protection Rating is IP57.
Polarographic Laminating ElectRode, Measurement range 0.0~ 20.0mg/L, Response Time ≤ 30 seconds, automatic temperature compensation 0~ 40 ℃, portable design for outdoor use.
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.
