Tri-Cair A, B, Select氚&C-14测量仪
The TriCair A,B, Select can be configured as “sniffer” to provide real-time indication of C –14 And T¬2¬O concentrations allows the user to quickly Identify airborne presence of these 2 low energy Beta emitters.
Tri-Cair A, B, Select氚&C-14测量仪 实时检测C-14和氚浓度指示,以便用户识别这两个低能β发射体在空气中存在。
The Overhoff TriCair A,B, Select Tritium and C-14 Detector has the unique ability to monitor for tritium compounds and airborne C-14 in real time while providing gamma compensation. The two measurement channels, 14 CO¬2¬ and 3H appear on a single digital display.
Overhoff产品TriCair A,B, Select氚和碳-14检测器有的能力在提供γ补偿同时实时监测氚化合物和气溶胶C-14,两个测量道14 CO¬2¬ 和 3H显示在同一块数字显示屏上。
The required radiological protection for Tritium compounds is different than that for Carbon-14. The presence of C-14 or Tritium in the working environment may be an indication of a leak in the containment. Knowing this the user of the TriCair A, B, Select can rapidly locate the point of release and more efficiently secure the source of leakage.
对氚化合物需要的放射保护不同于C-14.工作场所出现C-14或氚可能预示着污染泄露。了解这一点,TriCair A, B, Select的用户可锁定漏点,更有效地确保泄漏源的安全。
灵敏度:对于T¬2¬O灵敏度优于5μCi/m3 (0.5DAC), 对于C-14优于6 μCi/m3
RADON INTERFERENCE, NOISE RESPONSE
Unambiguous measurement of very low tritium and C –14 levels requires a monitor that can ignore ambient radon. The TriCair A, B, Select incorporates a radon suppression circuit and therefore produces accurate and drift-free readings.
氡干扰,噪音响应:
精确测量非常低值氚和C-14要求监测器能够忽略周围氡。TriCair A, B, Select使用氡抑制电路,因此产生精确、无漂移读数。
FAST RESPONSE
Exceptionally rapid response is due to its unique ability to ignore radon. The instrument has an electronic time constant of only 10 seconds, a pneumatic time constant of about 12 seconds, for an overall time constant of only 15 seconds. Meter readings will reach 90% of final value with 30 seconds to a step response of aspirated tritium or C-14.
响应:
异常响应源于其的忽略氡的能力,此仪器电子时间常数仅10秒,气动时间常数大约12秒,总时间常数仅15秒。对于氚或C-14送气的阶跃效应,仪器可在30秒内,达到终测量值90%。
FAST WARM UP< NO ZERO DRIFT
After applying power, the initial transient “warm up “drift effects take less than a minute. Long-term drifts have been eliminated and manual zero adjustments are no longer required.
预热<无零点漂移
接通电源之后,初始瞬时“预热”漂移影响少于1分钟,长时漂移已被清除,手动零点调整不再需要。
DESICCANT COLUMN
A desiccant column prevent the tritium oxide from entering the C-14 Ion chamber. The indicating type desiccant changes color from blue to pink when it is exhausted. Regeneration will restore the drying capacity.
干燥剂柱
干燥剂柱防止氧化氚进入C-14离子室。指示型干燥剂变色,当耗尽时从蓝色变为粉色。再生后可恢复干燥能力
GMMA COMPENSATION
The instrument has active gamma compensation with 2x2 ionization chamber geometry.
伽马补偿:此仪器有主动伽马补偿,带2x2电离室。
氚&C-14测量仪FEATURES产品性能:
C-14和氚-两道测量开关选择
高敏感-到5μCi/m3 (0.5DAC) H-3
反应-15秒时间常数
对氡响应—抑制电路确保零噪音操作
无零点漂移—优于1μCi/m3
预热-少于30秒
Tri-Cair A, B, Select氚&C-14测量仪特点:
氚量程 : 1-19,999μCi/m3,基本灵敏度可达到5μCi/m3
C-14量程:1-19,999μCi/m3,基本灵敏度可达到1.0μCi/m3
显示: 0-19,999数字,LCD面板率表
H¬3 和C-14模式:两道测量,开关选择
精度:读数的±10%,±2 μCi/m3 以较大者为准
噪音值:±2μCi/m3(10秒电子时间常数)
零点稳定性:长期±2μCi/m3
伽马补偿 :并列电离室模式由于外部伽马辐射减少误差
α脉冲抑制电路提供了识别和消除气溶胶氡噪声尖峰30秒达到90%终读数
报警响应
1.10位步进式衰减器设定信号报警2-1,000μCi/m3,稳定音,包括“关”
2. 低流触发间歇音
3. 静音开关关闭声音。
报警(视觉)信号值:红LED,低流:黄LED,低电池:红色闪烁LED
外部连接:迷你DIN插头用于信号输出和报警
电离室容量 :有效容量:200cm3, 口对口容量:660cm3
灰尘滤网HEPA,在线 一次性滤芯,Pall P/N 12082
泵:内部旋片泵
流量:正常1.5-2 LPM
使用环境: 0℃ to +50℃, 0-95% 相对湿度
电池 :2节“D”号NiMH电池,外部辅助电源输入和充电插孔
电源转换器 :从100-240 VAC, 50/60 Hz, 25A到.3 Vdc @ 1.2A 5,5m O.D.x2.1mm I. D
尺寸和重量:7.6”(193mm)长 x 5.2” (132mm)宽x 6.9” (175mm) 高,不包括把手6.5lbs( 3kg)
干燥柱:透明的聚碳酸酯盒指示干燥剂
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