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.
Adopt 165 ℃ thermostatic digestion and spectrophotometric detection technology, detection range 0~ 20000mg/L, support digestion Colorimetric integrated tube design, built-in rechargeable battery, can store 4000 sets of data and support a variety of transmission interfaces.
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.
Temperature range RT + to 400 ℃, monitoring accuracy +/- 0.5 ℃, fast digestion and energy saving, suitable for a variety of sample pretreatment needs.
Heat and corrosion resistant material, can digest 25 samples at the same time, Temperature Stability up to +/- 0.5 ℃, support 0-180 minutes timing and continuous digestion, with overheating protection and temperature alarm function.
Using high purity graphite + PFA coating heating method, temperature control accuracy +/- 0.5 ℃, digestion number of 25 holes, suitable for microwave digestion pretreatment and acid treatment, supporting a variety of analytical instruments.
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.
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.
Temperature range RT +~ 400 ℃, high purity graphite + PFA coating heating method, monitoring accuracy +/- 0.5 ℃, suitable for a variety of sample pretreatment, support microwave digestion pretreatment and acid rush.
Using high purity graphite PFA coating heating method, Temperature range RT +~ 400 ℃, monitoring accuracy +/- 0.5 ℃, digestion number of 20 holes, suitable for a variety of sample pretreatment, atomic absorption and other analytical instruments.
Adopt digestion Colorimetric integrated tube design, detection limit of 0.02mg/L, support 125 ℃ closed digestion, built-in imported cold light source life of 100,000 hours, can store 4000 sets of data and support multi-mode power supply.
