
15-00044
Revision 5
April 2008
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• Power source
External power supply and battery backup
External power supply: Input 120-250 Vac, Output 9 to 15 Vdc with locking connector
Battery back-up: Three (3) 1.2v NiMH 2100mA rechargeable
Battery operating lifetime: Up to 8 hours of continuous operation (with optional Alarm and
Display Unit: 4 hours)
Power Saving Mode On/Off using Meter View Software
• Te
mperature Range
Operation: -10°C to +50°C (15°F to 122°F)
Storage: -20°C to + 60°C (-5°F to 140°F)
• Humidity Range
10% to 95% RH (non condensing)
Enclosure Material Aluminum
2.3 DRM-2 Specifications
• Detector
GM tube ZP-1301 (or equivalent) - high range
GM tube ZP-1201 (or equivalent) - low range
Optional GM tube ZP-1300 non-energy compensated – low range
Optional CsI (Tl) detector
• M
easuring Ranges :
0.05 mR/h to 1000 R/h (0.5 µSv/h to 10 Sv/h)
Automatic switching between the two GM tubes at
600mR/h and 800mR/h
• Display Range:
0.01 mrem/hr to 10,000 mrem/hr
• Accuracy
±10 % of reading, within the measuring range
• Energy Response (
137
Cs)
±20 % at 70 keV to 2 MeV
• Sensitivity (
137
Cs):
17 cps/mR/h (low range)
0.3 cps/mR/h (high range)
• P
ower Source
External power supply and battery backup
External power supply: Input 120-250 Vac, Output 6 Vdc to 15 Vdc with locking connector
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