供应盖革-米勒计数器 电离辐射探测器 核辐射探测器
地区:上海 上海市
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原理:
一种专门探测电离辐射(α粒子、β粒子、γ射线)强度的记数仪器。由充气的管或小室作探头,当向探头施加的电压达到一定范围时,射线在管内每电离产生一对离子,就能放大产生一个相同大小的电脉冲并被相连的电子装置所记录,由此测量得单位时间内的射线数。
GENERAL SPECIFICATIONS | |
---|---|
GAS FILLING | Ne +Halogen |
CATHODE MATERIAL | 446 Stainless Steel |
MAXIMUM LENGTH (INCH/MM) | 1.85/47.0 |
EFFECTIVE LENGTH (INCH/MM) | 1.10/27.9 |
MAXIMUM DIAMETER (INCH/MM) | 0.31/7.9 |
EFFECTIVE DIAMETER (INCH/MM) | 0.306/7.77 |
CONNECTOR | Pin |
OPERATING TEMPERATURE RANGE °C | 0 to +75 |
ELECTRICAL SPECIFICATIONS | |
---|---|
RECOMMENDED ANODE RESISTOR (MEG OHM) | 4.7 |
MINIMUM ANODE RESISTOR (MEG OHM) | 2.2 |
RECOMMENDED OPERATING VOLTAGE (VOLTS) | 500 |
OPERATING VOLTAGE RANGE (VOLTS) | 450 - 650 |
MAXIMUM PLATEAU SLOPE (%/100 VOLTS) | 8 |
MINIMUM DEAD TIME (MICRO SEC) | 45 |
GAMMA SENSITIVITY CO60 (CPS/MR/HR) | 7.5 |
TUBE CAPACITANCE (PF) | 3 |
WEIGHT (GRAMS) | |
MAXIMUM BACKGROUND SHIELDED 50MM PB + 3MM AL (CPM) | 4 |
WALL SPECIFICATIONS | |
---|---|
AREAL DENSITY (MG/CM2) | 30 |
THICKNESS (INCH/MM) |
LND7113
LND