The MH4021 multi-channel gas distribution instrument is specially designed by our company for various standard gases and dilution gases (zero gas or N)₂）An instrument developed for mixed gas distribution, suitable for fields such as environmental protection, health, labor, safety supervision, scientific research, and education.

Execution standards

• HJ 57-2017 "Determination of Sulfur Dioxide in Fixed Source Waste Gas by Potentiometric Electrolysis Method"
• GB/T 5275.7-2014 "Gas Analysis - Preparation of Calibration Gas Mixtures by Dynamic Volume Method"

Main features

• Compact design, compact structure, and light weight;
• Multi channel gas distribution, capable of simultaneously connecting up to three standard gases and one dilution gas;
• Imported quality flow controller, with stable flow rate, high accuracy, low repeatability, and a dilution ratio of 100:1 (expandable);
• Internally, a static mixing device is used for rapid and uniform mixing of air;
• Equipped with a large capacity lithium battery, the instrument can work continuously for more than 4 hours.