DSHD-71A Flickering Gamma Radioactive Detector
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Main Advantages 1. Portable, water-proof, reliable and fit for field survey 2. High sensitivity, table head indicator and direct reading 3. Small power consumption and long battery life
Main
Functions
DSHD-71, the predecessor of DSHD-71A flickering gamma radioactive
detector, is widely used in doing geological census on radioactive minerals for
nuke industry as military products in last century. After its turning to civilian product,The instrument is widely applied to gamma
ray detection for units in relative line like environment, building materials,
radioactive sanitation, commodity inspection, irradiation etc.
Functions
DSHD-71, the predecessor of DSHD-71A flickering gamma radioactive
detector, is widely used in doing geological census on radioactive minerals for
nuke industry as military products in last century. After its turning to civilian product,The instrument is widely applied to gamma
ray detection for units in relative line like environment, building materials,
radioactive sanitation, commodity inspection, irradiation etc.
Technical
Parameters
1. Measurement range
Ⅰ0-12.5nC/kg.h (0~50 μR/h)
Ⅱ0－50nC/kg.h (0~200 μR/h)
Ⅲ 0－250nC/kg.h (0~1000 μR/h)
2. Each measuring distance nonlinearity: ≤8%
3. γ ray energy threshold value: ≤35kev
4. Equipment sensitivity threshold: less than 2 μR/h (0.5nC/kg.h)
5. Time constant: ≤5 seconds
6. Long term stability: no need to amend standard source in 10 days, the
repetition reading relative error is ≤±10%
7. Power supply: 2 kts 1# batteries
8. Length and weight: 650mm, 1.6kg
Parameters
1. Measurement range
Ⅰ0-12.5nC/kg.h (0~50 μR/h)
Ⅱ0－50nC/kg.h (0~200 μR/h)
Ⅲ 0－250nC/kg.h (0~1000 μR/h)
2. Each measuring distance nonlinearity: ≤8%
3. γ ray energy threshold value: ≤35kev
4. Equipment sensitivity threshold: less than 2 μR/h (0.5nC/kg.h)
5. Time constant: ≤5 seconds
6. Long term stability: no need to amend standard source in 10 days, the
repetition reading relative error is ≤±10%
7. Power supply: 2 kts 1# batteries
8. Length and weight: 650mm, 1.6kg
Technical
Parameters
1. Measurement range
Ⅰ0-12.5nC/kg.h (0~50 μR/h)
Ⅱ0－50nC/kg.h (0~200 μR/h)
Ⅲ 0－250nC/kg.h (0~1000 μR/h)
2. Each measuring distance nonlinearity: ≤8%
3. γ ray energy threshold value: ≤35kev
4. Equipment sensitivity threshold: less than 2 μR/h (0.5nC/kg.h)
5. Time constant: ≤5 seconds
6. Long term stability: no need to amend standard source in 10 days, the
repetition reading relative error is ≤±10%
7. Power supply: 2 kts 1# batteries
8. Length and weight: 650mm, 1.6kg
Parameters
1. Measurement range
Ⅰ0-12.5nC/kg.h (0~50 μR/h)
Ⅱ0－50nC/kg.h (0~200 μR/h)
Ⅲ 0－250nC/kg.h (0~1000 μR/h)
2. Each measuring distance nonlinearity: ≤8%
3. γ ray energy threshold value: ≤35kev
4. Equipment sensitivity threshold: less than 2 μR/h (0.5nC/kg.h)
5. Time constant: ≤5 seconds
6. Long term stability: no need to amend standard source in 10 days, the
repetition reading relative error is ≤±10%
7. Power supply: 2 kts 1# batteries
8. Length and weight: 650mm, 1.6kg
Technical
Parameters
1. Measurement range
Ⅰ0-12.5nC/kg.h (0~50 μR/h)
Ⅱ0－50nC/kg.h (0~200 μR/h)
Ⅲ 0－250nC/kg.h (0~1000 μR/h)
2. Each measuring distance nonlinearity: ≤8%
3. γ ray energy threshold value: ≤35kev
4. Equipment sensitivity threshold: less than 2 μR/h (0.5nC/kg.h)
5. Time constant: ≤5 seconds
6. Long term stability: no need to amend standard source in 10 days, the
repetition reading relative error is ≤±10%
7. Power supply: 2 kts 1# batteries
8. Length and weight: 650mm, 1.6kg
Parameters
1. Measurement range
Ⅰ0-12.5nC/kg.h (0~50 μR/h)
Ⅱ0－50nC/kg.h (0~200 μR/h)
Ⅲ 0－250nC/kg.h (0~1000 μR/h)
2. Each measuring distance nonlinearity: ≤8%
3. γ ray energy threshold value: ≤35kev
4. Equipment sensitivity threshold: less than 2 μR/h (0.5nC/kg.h)
5. Time constant: ≤5 seconds
6. Long term stability: no need to amend standard source in 10 days, the
repetition reading relative error is ≤±10%
7. Power supply: 2 kts 1# batteries
8. Length and weight: 650mm, 1.6kg
Technical
Parameters
1. Measurement range
Ⅰ0-12.5nC/kg.h (0~50 μR/h)
Ⅱ0－50nC/kg.h (0~200 μR/h)
Ⅲ 0－250nC/kg.h (0~1000 μR/h)
2. Each measuring distance nonlinearity: ≤8%
3. γ ray energy threshold value: ≤35kev
4. Equipment sensitivity threshold: less than 2 μR/h (0.5nC/kg.h)
5. Time constant: ≤5 seconds
6. Long term stability: no need to amend standard source in 10 days, the
repetition reading relative error is ≤±10%
7. Power supply: 2 kts 1# batteries
8. Length and weight: 650mm, 1.6kg
Parameters
1. Measurement range
Ⅰ0-12.5nC/kg.h (0~50 μR/h)
Ⅱ0－50nC/kg.h (0~200 μR/h)
Ⅲ 0－250nC/kg.h (0~1000 μR/h)
2. Each measuring distance nonlinearity: ≤8%
3. γ ray energy threshold value: ≤35kev
4. Equipment sensitivity threshold: less than 2 μR/h (0.5nC/kg.h)
5. Time constant: ≤5 seconds
6. Long term stability: no need to amend standard source in 10 days, the
repetition reading relative error is ≤±10%
7. Power supply: 2 kts 1# batteries
8. Length and weight: 650mm, 1.6kg
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