ES30A Four in One Portable Gas Detector

The ES30A is a multifunctional portable gas detection device designed for occupational safety applications. It features a TFT color LCD screen for clear readability and supports installation of up to four different sensors: one combustible gas sensor, one oxygen sensor, and up to two toxic gas sensors, with selectable combinations including CO, H2S, O2, and EX.

Users can customise the detector based on their specific gas measurement needs, selecting from two-in-one, three-in-one, or four-in-one configurations.

Key features include: - Triple alarm functionality: sound (65 dB at 25 cm), light, and vibration - Storage of 1,000 alarm records with query capability - Dual-language interface (Chinese and English) - Trend chart visualisation for recent data analysis - Emergency LED lighting - Factory reset protection - Icon and text dual menu navigation

Detection principles include electrochemistry and catalytic combustion, with optional NDIR. The device warms up in 90 seconds and operates across a wide temperature and humidity range. It is powered by a built-in 3.7 V lithium battery charged via USB and provides up to 8 hours of continuous runtime under normal conditions without alarm activation.