Radiation Detectors:
Large area scintillator (ZnS:Ag)
Light Detection:
PMT
Measuring Mode:
simultaneous and separate alpha/beta measurement
Measuring Range:
0 to 50000 cps    (dead time <10%)
Temperature range:
-10°C to +40°C
Humidity: 
0% to 95% (no condensing)

Hand Detectors
Sensitive Area:
345 cm²
Window Thickness:
6 µm aluminized plastic (0.4 mg/cm²)
Efficiency:
(rel. to the activity of a 100 cm² source)

14C (Beta channel): > 6%
99mTc (Beta-channel): > 5%
36Cl (Beta channel): » 30%
241Am (Alpha channel): »15%

Background (Alpha channel):
approximately 0.1 cps
Background (Beta channel):
approximately 15 cps

Foot Detectors
Sensitive Area:
555 cm²
Window Thickness:
6 µm aluminized plastic (0.4 mg/cm²)
Efficiency:
(rel. to the activity of a 100 cm² source)

14C (Beta channel): > 6%
99mTc (Beta-channel): > 5%
36Cl (Beta channel): » 30%
241Am (Alpha channel): »8%

Background (Alpha channel):
approximately 0.2 cps
Background (Beta channel):
approximately 40 cps