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Specifications
x-ray Individuals dose apparatusAccumulated dose equivalent:Hp(10)0.0usv~99.99msv;Dose equivalent rate:Hp(10)0.1usv/h~99.99ms
FJ-2000 x-ray Individuals dose apparatus
Technical parameter:
1,Detector:GM counting tube,measuring X-ray and γ-ray;
2,Measuring range:4 numbers LCD;
Accumulated dose equivalent:Hp(10)0.0usv~99.99msv;
Dose equivalent rate:Hp(10)0.1usv/h~99.99msv/h;
3, Response time:3.6S-36S;
4,Measuring rate response:<±20%(1usv/h~99.99msv/h)
5,Energy respone:<±30%(50KeV~1.3MeV)
6,Relative inherent error:<±20%(137Cs)
7,Alarm function and alarm valve value:
Measuring rate and accumulated dose can preset alarm valve value in the measuring range.The fixed alarm valve value as follows:
1.Accumulated dose:Per increase 0.1usv,a short noise and light each time:≥50 usv,sound-light alarm5s,"ALARM"display.
2. Measuring rate:≥25usv/h,sound-light alarm is about 6s,"ALARM" display
3. Clogging alarm:when counting tube clogged,alarmcontinuously ,"ALARM" display, alarm sound intensity is about 80 decibels at the 30 cm.
8,The battery undervoltage indicates: when Battery voltage<2.7 +/- 0.05 Vs, the instrument displays undervoltage symbol"LOBAT".It stillcan work for more than 24 hours in the lower radiation place after undervoltage symbol appears.
9.Battery and consumption: AAA type 1.5 V alkaline battery(7#battery),consumption<2mw,continuous service:720 hours.
10.Temperature characteristic:<±10%- 10degree -- +50degree
11.Temperature features:<±10% 95%RH(+35%);
12.Size:55(width)×92(length)×18(thickness)
13.Weight:<75g,including battery<98g.