氣體檢測報警器JN20
Gas Detection Alarm JN20
JN型氣體檢測報警器采用優(yōu)質(zhì)進(jìn)口傳感器及芯片，先進(jìn)的16位ADC數模轉換信號采集技術(shù)，檢測精度最高響應至PPm級別：具備自動(dòng)零點(diǎn)校正，溫度補償，量程切換，免工具拆裝維護功能；表面磨砂工藝噴涂，外觀(guān)精致小巧防水、耐腐蝕。同時(shí)采用先進(jìn)的OLED有機發(fā)光顯示，無(wú)需背光，觀(guān)察角度廣，壽命可達3-5年。
?4-20mA信號輸出，內設2組繼電器報警開(kāi)關(guān)量輸出功能，可實(shí)現在任何一級、二級開(kāi)關(guān)量輸出模式中，選擇大于或小于設定值報警功能；可外接防爆型聲光報警器，超過(guò)報警點(diǎn)能實(shí)現聲音報警和光報警的警示作用。能精確測量有毒氣體濃度，并且根據預設的報警設定值進(jìn)行報警。
JN type gas detection alarm adopts high-quality imported sensors and chips, advanced 16-bit ADC digital-to-analog conversion signal acquisition technology, and the highest detection accuracy responds to PPm level: it has the functions of automatic zero point correction, temperature compensation, range switching, tool-free disassembly and maintenance, and the surface is frosted and sprayed, and the appearance is exquisite, small, waterproof, and corrosion-resistant. At the same time, it adopts advanced OLED organic light-emitting display, no backlight, wide observation angle, and life span of up to 3-5 years.
? 4-20mA signal output, with 2 groups of relay alarm switching output function, which can realize the alarm function of greater than or less than the set value in any first-level and second-level switching output mode; It can accurately measure the concentration of toxic gases and give alarms according to the preset alarm setting value.
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