礦用甲烷檢測儀的型號：現場款【TH-JW1】、遙測款【TH-JW2】；礦用甲烷檢測儀是一種專為礦山環境設計的便攜式氣體檢測儀器，主要用于實時監測礦井中的甲烷（瓦斯）濃度。該檢測儀采用高靈敏度的傳感器，能夠快速、準確地測量甲烷氣體的濃度，并在濃度超標時及時發出聲光報警，提醒礦工迅速采取安全措施。其設計堅固耐用，適應礦山惡劣的工作環境，具有防塵、防水、防爆等特性。
一、產品簡介
甲烷檢測報警儀適用于煤礦井下作業環境中甲烷氣體濃度的測量及報警。具有日期、時間、聲光報警等功能。測定器具有操作簡單、攜帶方便、準確可靠等優點。
二、技術參數
防爆型式：礦用本安兼隔爆型
a）環境溫度：0℃～40℃，此時應按GB 3836.1-2010中5.1.1條附加標志“X”，或在銘牌中標注溫度范圍；
b）相對濕度：不大于98%；
c）大氣壓力：80kPa～116kPa；
d）風速：≤8m/s；
e）環境噪聲不超過70 dB（A）的場合；
f）煤礦井下有瓦斯，煤塵等爆炸危險的環境；
g）無破壞金屬和絕緣材料的腐蝕性氣體的地方
| 測量氣體 | 甲烷 |
| 測量原理 | 催化燃燒原理（CH） |
| 測量范圍 | CH?：（0.00~4.00）% |
| 基本誤差 | CH?：（（0.00~1.00）%CH?：±0.10%CH?（1.00~3.00）%CH?：真值的士10%（3.00~4.00）%CH?：士0.30%CH: |
| 報警點及誤差 | 可以任意設置報警值，以下為默認報警值CH?：報警點1.00%，報警誤差士0.05%CH |
| 響應時間 | CH?：不大于 20 秒 |
| 報警聲級強度 | 不小于 80dB（距蜂鳴器1米） |
| 光報警強度 | 不小于20米（黑暗處） |
| 電池連續工作時間 | 10 小時 |
| 外形及尺寸 | 113mmx55mx32mm /175g |
| 防爆形式 | 礦用本安兼隔爆型 |
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