HB407-GAMMA--χ、γ个人剂量仪 χ、γ个人剂量分析仪 χ、γ个人剂量检测仪详细介绍
HB407-GAMMA型χ、γ个人剂量仪作为个人放射性剂量报警，也可用于辐照、探伤、核医疗、科研等从事放射性工作的场合，仪器为便携式、重量轻、设有标准**报警阈。
主要技术性能
1探测元件：金属盖革－米勒计数管 SBM-2-1
2、测量范围：0－9.99μSv/h
3、能量范围：0.1－1.25Mev
4、测量周期：30S
5、能量响应：相对Cs-137 25%
6、报警阈值：2.5μSv/h
7、电池：9V电池
8、外形尺寸：134mm*70mm*26mm
9、重量：0.12Kg（不包括电池）
HB407-GAMMA型χ、γ是一种理想的个人便携式剂量报警器。设定**限报警阈值、自动循环测量、采用金属壳计数管克服了玻璃计数管易碎的特点、灵敏度高、体积小可靠耐用、性价比高。国际通用剂量单位：μSv/h。
俄罗斯HB407-GAMMA型，中俄合资。χ、γ个人剂量仪，剂量率，剂量当量，平均值，报警阈值四个参数同屏显示，无需切换。
HB407-GAMMA Χ-γ Personal Alarm Dosimeter
Operating Manual
1. Introduction
The HB407-GAMMA Χ-γ Personal Alarm Dosimeter is a precision instrument designed to provide reliable personal safety.
2. Specifications
● Measurement range: 0.01—9.99μSv/h
● Detector type: CBM-20-1 metal counter tubes
● Energy response: better than + or -25% (relatively Cs-137)
● Survey cycle: 30s
● Temperature range:-10℃—40℃
● Dimensions: 130mm × 70mm × 26mm
● Weight: 0.12kg (including battery)
● Power supply: One 9V battery
● Humidity: 25℃ (95%)
● Sound intensity: 85 dB
3. Instrument operation
3.1 Start up
Press the reset for several seconds, the instrument begin to measure
The display should indicate HB407-GAMMA and Ready to use
The instrument display four number.
Left up: dose rate
Right up: particles
Left down: average dose rate
Right down: level
3.2 Reset
The instrument begin to measure again, when the reset button be depressed.
3.3 Turn Off
Press the reset button for several seconds to turn off.
3.4 Battery discharge
If the battery voltage is lower than 9V, the indication “LOW BAT”appears on the display, calling for battery replacement.
4. Measurement
● The dose rate value to be given will then the average of which should be read off at a constant rate in sequence.
● The instrument emits a warning sound as soon as the measured value exceeds the level value.
5. Maintenance
● The storage area must be dry and free from corrosive gases.
● The instrument may only be stored with batteries removed.
● The instrument should be protected from dropping and impact.
Sino-Russian joint venture. χ, γ personal dosimeter, dose rate, dose equivalent, average dose rate, alarm threshold ，the four parameters display on the screen at the same time without switching.
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χ、γ个人剂量仪 χ、γ个人剂量分析仪 χ、γ个人剂量检测仪
