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產(chǎn)品介紹
一、 產(chǎn)品用途和適用范圍
用途:
CD4多參數氣體測定器(以下簡(jiǎn)稱(chēng)測定器)可同時(shí)連續檢測CH4、O2、CO、H2 S共4種氣體的濃度,并可超限報警,測定器采用8位微控制器作為控制單元,
采用高精度檢測元件,靈敏度高、響應速度快,屏幕采用寬溫范圍的128*64液晶,顯示清晰可靠。當環(huán)境中檢測到待測氣體的濃度達到或超過(guò)或低于預置報警值時(shí),
測定器立即發(fā)出聲光報警。
適用于:
CD4多參數氣體測定器 總結構圖
1:液晶2:載體催化元件 3:功能鍵4:硫化氫傳感器5:一氧化碳傳感器 6:LED報警透明窗 7:氧氣傳感器 8:開(kāi)機鍵 9:充電口
二、 產(chǎn)品特點(diǎn)
配備硅膠套,跌落性能好
三、 技術(shù)原理
測定器工作原理如下:環(huán)境中的被測氣體及溫濕度經(jīng)過(guò)測定器陣列,轉化為數字信號,該信號送至MCU內部進(jìn)行運算處理和補償,最終顯示在240×64點(diǎn)陣液晶上。根據測定器的測量結果,測定器作出相應的動(dòng)作,同時(shí)控制狀態(tài)指示、語(yǔ)音提示、電池電壓、報警輸出以及鍵盤(pán)輸入并做出相應的處理。
采用專(zhuān)用的充電芯片,配合CPU全程監控,并采用不間斷電源切換方式,實(shí)現系統的斷電后連續運行。
四、 技術(shù)參數
O2:0.0~30.0%vol
報警設定值:四種氣體全量程之內均可設置報警點(diǎn)
報警精度:±1%(設定值)
響應時(shí)間:< 45 秒(H2S 流量 500ml/min,其它流量 200ml/min)
工作溫度范圍:0 ~ 40 ℃
儀器連續工作時(shí)間> 10 小時(shí)(非報警狀態(tài))
重量≤300 克左右
錳酸鋰電池3.7V 1500mAh
★擁有制造計量許可證書(shū)。
Applications:
CD4 portable Multi-gas detector is an intrinsically safe and explosion-proof instrument and is designed to deter the gases.
It can simultaneously monitors up to four atmospheric hazards including carbon monoxide (CO), oxygen (O2),
combustible gas (%LEL), and hydrogen sulphide(H2S). Compact and lightweight, CD4 portable Multi-gas detector activates audible, visual and vibrating alarms in the event of a low or high alarm condition.
CD4 portable Multi-gas detector is unparalleled in its versatility, capability and overall value. Water-resistant line of portable gas detectors has transformed the market with its matchless array of features.
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 hazardous and toxic gases
Technical specification:
Sensor |
Catalytic combustion sensor (combustible gas);Electrochemical sensors (CO,O2,H2S) |
Measurement of Gas |
combustible gas (CH4), carbon monoxide (CO),oxygen (O2), hydrogen sulfide (H2S) |
Range |
CH4: 0~4.00%(v/v); combustible gas 0-100%(LEL) |
O2: 0~25.0%VOL |
|
CO: 0~1000ppm |
|
H2S: 0~100ppm |
|
Accuracy |
CH4: +10% (1%LEL) |
O2: +0.7%VOL |
|
CO: +5% |
|
H2S: +5% |
|
Resolution |
CH4: 0.1%CH4 (1%LEL) |
O2: 0.1%VOL |
|
CO: 1ppm |
|
H2S: 1ppm |
|
Alarms |
Visual,audible(75 dB) |
Typical battery life |
≥10 hours |
Explosion protection |
Exibd I |
Protection grade |
IP54 |
External Dimensions/ Weight |
105(L)×56(W)×28(H) mm/250g |
Accessories:
battery, Carrying case and Operate guidebook
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