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CHAPTER 3. SPECIFICATIONS
press plus 3 seconds to turn OFF
• UNITS – changes the units between count rate, dose/exposure, or disintegration
• DETECTOR – short press to change between internal and external detector
• MODE – short press alternates between available modes: RATE (count rate), MAX
(captures peak rate), COUNT (user-selectable preset count time from 0 to
approximately 31.68 years), and DOSE
• LOG - short press to log current display (or initiate count in scaler mode), extra-long
press to change count in scaler mode
Response Time:
auto-response slow or fast, fixed slow or fast, or user-selectable from 1 to
60 seconds
Audio:
click audio greater than 65 dB at 0.6 m (2 ft), alarm audio at greater than 72 dB
Power:
four alkaline “AA” batteries
Battery Life:
approximately 175 hours of operation, 16-hour low-battery warning
Maximum Current:
50 mAdc
Construction:
high-impact plastic with water-resistant rubber seals and separate battery
compartment
Temperature Range:
-20 to 50 °C (-5 to 122 °F), may be certified for operation from -40 to 65
°C (-40 to 150 °F)
Environmental Rating:
NEMA (National Electrical Manufacturers Association) rating of 3x
or IP (Ingress Protection) rating of 53
Size:
16.5 x 11.4 x 21.6 cm (6.5 x 4.5 x 8.5 in.) (H x W x L)
Weight:
0.9 kg (2.0 lb) (excluding detectors and clips)
Ludlum Measurements, Inc.
