Application and characteristic:
DM402 large area γ-βdetector is a portable instrument for checking radiation protection.For the operating floor and probe are integrated in it,it has small volume,light weight and easy to carry.It also has these functions of stable performance,easy operation, digital displaying measuringresult,can detect γ-ray and β-ray,suitable for safety supervision and inspection in the lab of hospitals or that institutions engaging in radioactive element work.
Main Technical Parameter:
|
Timing |
1s、10s 、60s |
|
Measuring range |
β：0～105cpmin-1 γ：0～10-1μGys-1 |
|
effective detecting area |
120cm2 |
|
detecting efficient |
η≥10%（90Sr+90 Y βradioactive source） |
|
Inherent background |
≤350cpmin-1(β) |
|
Γmeasurment error |
≤±20%( 137Cs demarcating ) |
|
temperature: |
0℃～40℃ |
|
relative humidity |
≤90%（30±2℃ |
|
Power supply |
6 5# batteries |
|
Dimensions |
220mm×120mm×60mm |
|
Weigh |
2kg |
