Specifications
Detector type:
Thin-layer plastic scintillation detector withZnS coating, two aluminium vaporised Mylarfoils (2 μm each), a fine-mesh honeycombgrid and a protective cover.
Alpha- and beta-/gamma-separation viacount height analysis
Detector size:
CoMo-170: 170 cm²
CoMo-300: 300 cm²
Efficiencies:
(according to surface emission rate (ISO 7503-1),
Average values from measurements with 100 cm² sources)
C-14 40%
Cl-36 63%
Co-60 62%
Cs-137 67%
Sr-90 73%
Am-241 α 56%
Pu-238 α 42%
U-238 α 45%
(according to activity (DIN 25482), Average values from measurements with 100 cm² sources)
C-14 15%
Cl-36 40%
Co-60 31%
Cs-137 41%
Sr-90 95%
Am-241 α 26%
Pu-238 α 20%
U-238 α 41%
Detector unit:
Autonomous, easily exchangeable assembly, integrated in the bottom of theoverall housing
Background:
CoMo-170: α approx. 0.1 cps, β/γ approx.9 – 13 cps•CoMo-300: α approx. 0.1 cps, β/γ approx.20 – 30 cps
Background subtraction:
Automatic background measurement and subtraction, background measuring time programmable
Option of net or gross measurement
Measuring electronics:
Microcontroller-based electronics Keyboard:
Foil keyboard with 5 function keys
Alarm:
Individually configurable for each type of measurement
Visual warning
Acoustic warning (approx. 80 dB at a distance of 30 cm)
Optional vibration alarm
Earphones can be connected for audible feedback in noisy or sensitive environments
Nuclides:
Preset calibration ex works, Settings and calibrations adjustable by user, Auto-calibration function, Library for up to 40 nuclides
Measuring time:
Continuously in search mode or with user-configurable measuring time
Interfaces:
USB interface (for connection with PC), battery charge/mains operation, externaldetectors, active wall station/wipe teststation
LC display:
Large-area graphic LC display(128 x 64 pixel)
Automatic illumination via photocell (LDR)or adjustable fixed duration
Power supply:
2 batteries (AA battery LR 6) orrechargeable batteries (NiMH),
Approx. 25 h operating time. Can be recharged via charger or wall station
Nominal operating range:
-10 °C to +40 °C (special version down to-20°C)
up to approx. 90 % RF (non-condensing)
IP Rating:
54
Dimensions:
CoMo-170: 280 x 125 x 135 mm(L (with handle) x W x H)
CoMo-300: 318 x 157 x 172 mm(L (with handle) x W x H)
Weight:
CoMo-170: approx. 800 g (includingbatteries)
CoMo-300: approx. 1,000 g (includingbatteries)
Housing:
Ergonomically shaped plastic housing
Special versions:
CoMo-170 DL: with additional GMcounter tube integrated into the front formeasurement of the dose rate
CoMo-170/-300 G: with a thicker plasticscintillation detector for pure gamma measurements
With magnetic field sensor
(only CoMo 170)
CoMo-170 BL:
no PC interface for meetingthe highest IT-security requirements