Nal-2002 Scintillation Probe

Specifications

NaI-Scintillation Probe 2002 with photomultiplier for the detection of β- and γ-radiation

• ƒhigh sensitivity ƒ
• large detector surface ƒ
• ƒby means of a probe cable connectible to the dose rate meters GRAETZ X5C plus and GammaTwin S (identified as pulse probe) and to the contamination monitor CoMo 170 ƒ
• power supply from the basic unit 
• application fields: 
  • nuclear medicine
  • environmental and scrap monitoring
  • security controls (police, customs, border authorities, factory inspectorates) 

 

Technical Data
Type of radiation:	β, γ
Energy range:	γ radiation and X-rays: 25 keV – 2 MeV β radiation: > 100 keV
Detector:	(70 x 70 x 13) mm NaI (TI)-scintillator with photo multiplier
Reference orientation:	vertical onto the square surface
Position of the detector:	middle of the detector cap
Reference point:	middle of the square surface
Background count rate*:	approx. 100 cps
Range of relative humidity: :	0 to 90%, no influence
Range of outside air pressure:	600 up to 1300 hPa, influence negligible
Indication range	0 – 200 cps 200 – 2000 cps 2 – 20 kcps (20 kcps ~13 µSv/h referitor la Cs 137)
Temperature range:	operation: -20°C până la +50°C storage: -30°C până la +60°C (NOTE: max. temperature change.10°C/h)
Overload capacity:	up to approx. 3 mSv/h (referred to Cs 137)
After effect:	after exposure to radiation of 3 mSv/h, error after 20 minutes is approx. 5%
Voltage supply:	+5V from the basic unit
Dimensions:	(80 x 85 x 35) mm
Weight:	530 g - with 200mm handle (Ø 33 mm)
Housing:	aluminium, partly anodically oxidized, protection class IP 65 (hose-proof)

^* at 0.1 µSv/h