Multi-type Gas Detector XA-4400

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last updated：Jul 09, 2018

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Compact multi-type gas detector.

Simultaneously detects and displays oxygen, combustible gases, hydrogen sulfide, and carbon monoxide. The concentration display screen can switch between an easy-to-understand "Japanese display" for gas type names and a "four-part display" for better visibility of concentration levels. It can be worn by workers at construction sites and other locations to ensure safety in the work environment and protect the safety of the workers.

Related Link - https://www.ascom411.com/rental/gas/combined/xa-40…

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basic information

Target gases: Flammable gases (methane), oxygen, hydrogen sulfide, carbon monoxide Gas sampling method: Diffusion type Detection principle: Contact combustion type, galvanic cell type, constant potential electrolysis type, constant potential electrolysis type Detection range (service range): 0–100% LEL (101–110% LEL), 0–25.0 vol% (25.1–50.0 vol%), 0–30.0 ppm (30.1–150.0 ppm), 0–300 ppm (301–2,000 ppm) Alarm setting values: 1st stage: 10% LEL, 2nd stage: 30% LEL; 1st stage: 19.5 vol%, 2nd stage: 18.0 vol% 1st stage: 10.0 ppm, 2nd stage: 15.0 ppm, TWA: 10.0 ppm, STEL: 15.0 ppm 1st stage: 50 ppm, 2nd stage: 150 ppm, TWA: 25 ppm, STEL: 300 ppm Operating temperature and humidity range: -10°C to 40°C, 30% to 85% RH (provided there is no condensation) Alarm method: Buzzer, red lamp flashing, LCD display flashing, vibration (automatic reset type) Continuous operating time: Approximately 15 hours. However, for models without flammable gases as target gases, approximately 60 hours Options: - Suction pump unit (with 8m introduction tube) - Log data collection set