Can you compare and introduce hydrogen sulfidegas detector domestic and foreign brands? - Q&A

Domestic products:

TX200hydrogen sulfidegas detector

Key features:  
    ◆Ingress protectionIP66 highly waterproof and dustproof design, suitable for use in harsh environments
        ◆Falling from a height of 10 meters, intact, the shell is made of high-strength engineering plastics and composite anti-slip rubber, with high strength and good feel
        ◆The battery does not need to be recharged, 2 years service life and replaceable CR15H270 camera battery
        ◆Strong anti-electromagnetic interference function
        ◆Adopt high-quality imported electrochemical gas sensor, with excellent sensitivity and excellent repeatability
        ◆This detector can set low limit, high limit, TWA and STEL alarm points
        ◆Uninterrupted LCD display real-time gas concentration, super strong sound, light, vibration and other 3 alarm functions
        ◆ Boot self-test function; Equipped with automatic calibration and automatic zeroing functions
        ◆Password management function, password verification is required during calibration, effectively preventing misoperation
        ◆Small size and light weight (95mm×45mm×30mm) about 100g

Applicable environmental conditions
●    Ambient temperature is  -10~40°C;
●    The altitude does not exceed 2000m;
●    The ambient atmospheric pressure is    80kPa~106kPa  ;
●    The relative humidity of the surrounding air is not greater than 98% (non-condensing);
●    In environments where there are no corrosive gases or vapors that destroy the insulation;