DSHD-3017A Soil Radon Survey Water Detector
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Introduction: 1. DSHD-3017A radon survey water detector is a new model meter,then can use static to collect the first generation progeny-RaA of radon decay as measurement objects, 2. DSHD-3017A radon survey water detector also surveys soil or radon con
Function
Besides mineral, water prospecting and
radon concentration determination, DSHD-3017A
radon survey prospector can be also used to soil radon detection and water
source seeking in construction project, radon measurement of department like
earthquake forecast, EP and scientific research teaching etc. You can read
counting rate directly and converse to Bg/m3 value after demarcating by
authorized computation branch.
radon concentration determination, DSHD-3017A
radon survey prospector can be also used to soil radon detection and water
source seeking in construction project, radon measurement of department like
earthquake forecast, EP and scientific research teaching etc. You can read
counting rate directly and converse to Bg/m3 value after demarcating by
authorized computation branch.
Technical
Specification
Specification
1. Limit
exploration sensitivity: ＜0.1 Bq(1Bq/L=0.27*10-10ci/L=0.27em)
exploration sensitivity: ＜0.1 Bq(1Bq/L=0.27*10-10ci/L=0.27em)
2. Air pump
sealing functions: when the pump ram is at 70mm, gas leakage velocity is less
than 20mm Hg/min.
sealing functions: when the pump ram is at 70mm, gas leakage velocity is less
than 20mm Hg/min.
3. Detector: Au-Si
surface barrier semiconductor detector, diameter is 26mm, area is 531mm2
surface barrier semiconductor detector, diameter is 26mm, area is 531mm2
4. Detecting
efficiency: η2π≥40% (239puα endogenous activity area diameter ≤φ26mm)
efficiency: η2π≥40% (239puα endogenous activity area diameter ≤φ26mm)
5. Background: ≤4
pulse/h
pulse/h
6. Counting
capacity: 1~99999
capacity: 1~99999
7. Equipment
display: pulse numbers, HV indicate mark, measurement indicates mark, low
voltage or voltage shortage indicates mark, date and time.
display: pulse numbers, HV indicate mark, measurement indicates mark, low
voltage or voltage shortage indicates mark, date and time.
8. HV and
measurement timing: several shifts in 0, 0.5, 1, 2, 3, 4, 5, 6, 10, 15, 25,
30min. Among them, 0min is manual measurement, that is HV or measurement will
last to manual.
measurement timing: several shifts in 0, 0.5, 1, 2, 3, 4, 5, 6, 10, 15, 25,
30min. Among them, 0min is manual measurement, that is HV or measurement will
last to manual.
9. Data storage:
≥300
≥300
10. Preset
coefficient and electricity drop protection function
coefficient and electricity drop protection function
11. Print content:
pulse numbers, Bq/m3, data and time
pulse numbers, Bq/m3, data and time
12. Equipment
alarm: HV time and measurement time alarm
alarm: HV time and measurement time alarm
13. It can work
under the condition of -100c~+400c (temperature) and +40 c (temperature), 95%
(relative humidity), comparing to normal condition, the counting error is ≤±10%
under the condition of -100c~+400c (temperature) and +40 c (temperature), 95%
(relative humidity), comparing to normal condition, the counting error is ≤±10%
14. Power supply:
3 kts 1# batteries, power consumption ≤400mw (HV included)
3 kts 1# batteries, power consumption ≤400mw (HV included)
15. Dimension and
weight:
weight:
Operation panel: 210*97*156mm3, weight:
2.3kg
2.3kg
Air pump: length: 540mm, diameter: 103mm;
weight: 3.3kg
weight: 3.3kg
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