一、 簡 介
二氧化硫是一種無色，有強烈硫黃味及酸味的氣體，對人體危害極大，多存在於巷道中下部。井下二氧化硫的來源，一般是開采高硫礦石時，硫化礦物的緩慢氧化產生的二氧化硫，有時圍巖中也會放出二氧化硫，此外井下電纜及膠皮類物品燃燒等也會產生二氧化硫。《煤礦安全規程》規定，二氧化硫的濃度不得超過0.0005%；《金屬非金屬地下礦山安全法規》規定，礦內空氣中二氧化硫含量不得超過15mg/m³。
CELH50是一款便攜式本安型二氧化硫檢測機，用於測量礦井中的二氧化硫含量。機器采用進口電化學傳感器，反應靈敏、準確可靠的特點。緊湊的外形和輕重量使它可以很舒適的佩戴於衣服口袋和安全帽上。作為高端的傳感器，即使您把它放在襯衫口袋裡，它也能提供連續和通暢的保護。該產品配以防震外殼，不受無線電頻率乾擾，並具有防水及經久耐用的特點。防震保護層保護產品不受各類惡劣工作環境的損害。符合煤礦使用習慣的4鍵可完成機器操作和設置。用戶可以自定義報警和氣體標定，當氣體濃度超過預設的限制，機器就會發出聲光報警。
適用在煤礦、非煤礦山中職業健康日常檢測。
二、 產品特點
² 進口電化學傳感器
² 測量濃度的范圍50ppm
² 傳感器頭朝外，避免煤塵積累造成傳感器失效
² 充電式可零點校準
² 下次校準日期可自動提醒
² 采用聯排充電器
² 體積小、重量輕、易於攜帶
² 高亮度OLED大屏幕適合煤礦黑暗條件
² 4個操作按鍵，符合煤礦使用特點
² 1500mAH聚合物鋰電池、可持續運行2 年（標準）
² 高濃度報警、超量程報警、電量不足報警
² 紅綠色LED 燈閃爍、95dB 蜂鳴器
² 高強度ABS工程塑料，抗跌落1.8米
² 人體工學設計，手感更好
² 通過MA、防爆等認證，具有國際化的高端品質
三、 主要技術參數
項目 參數
測量范圍：0-50ppm
采樣方式：擴散式
傳感器：進口電化學傳感器
傳感器方向：朝外，避免煤塵積累造成傳感器失效
外殼材質：ABS工程塑料
防護等級：IP54，防水防塵
安全等級：Class I, Division 1, Group A, B, C, D,T5 ；
環境溫度連續工作： -20℃ ~+45℃ 間斷工作：-40℃ ~+55℃
環境濕度：0%~95%RH（無冷凝）
*顯示屏：OLCD 高亮度液晶顯示
顯示內容：氣體名稱、測量值、電池電量
*按鍵： 4 個操作鍵
報警方式：90Dba,10cm 蜂鳴器、紅綠色LED 閃爍
報警信號：高濃度、電池電量不足報警
標定方式：零點/ 擴展標定
*電池: 大容量聚合物1500mAH鋰離子電池，可充電
*校準: 充電式可零點校準；下次校準日期可自動提醒
*充電器：聯排獨立座充
防爆型式；礦用本質安全 ExibI
運行時間:可連續工作2 年（視工作環境和使用頻率，氧氣除外）
尺寸:93mm×49mm×22mm
重量:102g（含電池）
四、 標準配置
² 主機（含傳感器、鋰電池）
² 標定適配器
² 座充電器
² 皮套
² 使用說明書（含煤安、防爆證書）
Applications:
Single SO2 detector is an intrinsically safe and explosion-proof instrument and is designed to deter SO2.
Single SO2 detector is a low-cost, maintenance-free single gas monitor designed to protect personnel from dangerous SO2 gas exposure in the most extreme conditions. Despite its compact size, the single SO2 detector includes features usually found only in larger multi-gas monitors including a large, OLED display, internal audible/visual alarms and simple push-button operation.
The monitor continuously displays ambient combustible gas readings and will alert the user when gas concentrations exceed the preset low or high levels. Added features include adjustable alarm setpoints, calibration gas values, and choice of text-only display seleced by the user through a simple, push-button routine. Single SO2 detector also has a peak/hold feature to show the highest reading during a shift and includes a special flip-cap calibration adapter for quick and simple calibration. Single SO2 detector is covered by a two-year warranty from the date of manufacture.
It is used at the underground coal mine and mine safety inspection mainly. Certainly, it is also applied to fire fighting, confined space, chemical industry, oil and all kinds of environment that needed to measure the combustible gas.
Feature | Benefit |
2-year warranty | Lowers the overall cost of ownership by providing a full 24 months of warranty coverage. |
Weight of 102g | Light weight and compact size, can be worn on the belt, shirt pocket, coveralls or hard-hat. |
Flip-cap calibration feature | Single SO2 detector has a unique, built in calibration adapter to make calibration easy and eliminates the need to search for a calibration cup. |
OLED display | Provides continuous display of the actual concentration of combustible gas in the ambient environment as well as remaining battery life. |
Adjustable low and high alarm setpoints | The user can configure single SO2 detector to suit a number of different applications. |
High visibility case | From a distance, it’s color makes it easy for Safety Professionals to verify that workers are protected. |
5 second delay shut-off protection | Single SO2 detector cannot be accidentally shut off since the on/off button must be depressed for five continuous seconds. |
Technical specification:
Sensors: | Electrochemical sensors (SO2 ) |
Range： | SO2:0~50ppm |
Accuracy： | 1ppm |
Resolution： | 1ppm |
Power Source: | 1500mAH lithium battery ；rechargeable battery |
Temperature Range: | -4°F to 122°F (-20°C to 50°C) typical |
Humidity Range: | 0 to 95% RH typical |
Alarms: | Adjustable low and high alarm setpoints |
Explosion protection | Exibd I |
Protection grade | IP54 |
Dimensions: | 93mm×49mm×22mm |
Weight: | 102g |
Accessories:
battery, Carrying case and Operate guidebook
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