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M3013型光子計數(shù)探測器
The M3013 β detector
M3013型β探測器能夠測量低能β射線，因其優(yōu)異的抗力，能夠廣泛用于環(huán)境檢測、精密測量、科研等領域。本公司研發(fā)的M3013型β探測器主要由端窗光電倍增管、高壓電源模塊、信號成形電路、閃爍體等組成。
本產品具有簡單方便、可靠性高及探測效率高等優(yōu)點。在出廠前，已經(jīng)過各方面測試，接通電源，將輸出端與計數(shù)單元連接即可使用。
M3013 β detector can measure low energy β ray, because of its excellent anti-interference ability, can be widely used in environmental detection, precision measurement, scientific research and other fields. The M3013 β detector is mainly composed of end window photomultiplier, high voltage power supply module, signal forming circuit, scintillator and so on.
The product has the advantages of simplicity, high reliability and high detection efficiency. Before leaving the factory, it has been tested in all aspects, connected to the power supply, and the output end can be used with the counting unit.
技術參數(shù)
參數(shù) | Min. | Typ. | Max | 單位 | ||
輸入電壓/Input Voltage | ±11.5~±12.5 | V | ||||
輸入電流/Max Input Current | ≤60(+12V); ≤10(-12V) | mA | ||||
有效窗口直徑/Effective Area | Φ23 | mm | ||||
輸出脈沖邏輯/Output pulse logic | TTL | -- | ||||
輸出脈沖幅度/Output pulse amplitude | 5±0.2 | V | ||||
輸出脈沖寬度/Output pulse width | 500±100 | |||||
本底計數(shù)率/Background counting rate | 3 | S-1 | ||||
觀測計數(shù)率1)/Observed counting rate | 545k~625k | S-1 | ||||
1小時不穩(wěn)定性2)/1 hour instability | 0.2 | 0.4 | % | |||
工作環(huán)境/ work environment | 溫度/Temperature | +5~+40 | ℃ | |||
濕度/Humidity | Max. | 90%RH | -- | |||
存放環(huán)境/ Storage environment | 溫度/Temperature | -20~+50 | ℃ | |||
濕度Humidity | Max. | 93%RH | -- | |||
注：
1) 使用60μCi的14C源測試，源距離探測器3mm。
2) 1小時不穩(wěn)定性測試過程：探測器采集的計數(shù)率在6.0±0.5ks-1，設置每個數(shù)據(jù)采集時間為4min，每組數(shù)據(jù)累積采集15個數(shù)據(jù)（1小時），計算每組數(shù)據(jù)的各個值與均值的偏差的值，連續(xù)測試3組（3小時），取3組中的值為1小時工作不穩(wěn)定性測試值。
產品應用
環(huán)境監(jiān)測 Pollution monitoring
醫(yī)療器械 Medical Application
精密測量 Precise measurement
外形尺寸圖
外形尺寸圖(單位mm 線長可定制）
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