盖革GM计数管 核辐射传感器CB20
更新时间：2010-01-01 00:00:00
价格：￥236/
加工定制:否
品牌:RUSSIAN
型号:CB20
联系电话：86 0731 83886859
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联系人：钟波
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详细介绍
罗斯产金属盖革计数管cb-20，全新老库存。
尺寸与国产金属管j305接近。
推荐工作电压：400v
阳极电阻：5.1m
直径：11mm
总长度：115mm
技术参数如下：
general specifications
| parameters | sbm-20 / sbm-20u |
| gas filling | ne + br2 + ar |
| cathode material | stainless steel, 50 mkm |
| maximum length (mm) | 108 / 101 |
| effective length (mm) | 91.0 / 83.5 |
| maximum diameter (mm) | 11 |
| effective diameter (mm) | 10 |
| connector | pin |
| operating temperature range 0c | -60 to +70 |
wall specifications
| parameters | sbm-20 / sbm-20u |
| areal density (mg/cm2) | 40 |
| thickness (mm) | 0.05 |
electrical specifications
| parameters | sbm-20 / sbm-20u |
| minimum anode resistor (meg ohm) | 1.0 |
| recommended anode resistor (meg ohm) circuit diagram | 5.1 |
| recommended operating voltage (volts) | 400 |
| operating voltage range (volts) | 350 - 475 |
| initial voltage (volts) | 260 - 320 |
| plateau length (volts) | at least 100 |
| maximum plateau slope (%/100 volts) | 10 |
| minimum dead time (at u=400v, micro sec) | 190 |
| working range (mkr/s) | 0.004 - 40 |
| working range (mr/h) | 0.014 - 144 |
| gamma sensitivity ra226 (cps/mr/hr) | 29 |
| gamma sensitivity co60 (cps/mr/hr) | 22 |
| inherent counter background (cps) | 1 |
| tube capacitance (pf) | 4.2 |
| life (pulses) | at least 2*1010 |
| weight (grams) | 10 / 9 |
本产品的加工定制是否，品牌是RUSSIAN，型号是CB20，种类是射线辐射，制作工艺是金属外壳，输出信号是模拟型
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