Specifications for Abacus:

Detector:
Internal tube 1 - Halogen-quenched, uncompensated GM pancake tube with thin mica window, 1.4-2.0 mg/cm2 areal density. Effective diameter of window is 45 mm (1.75 in.).

Internal tube 2 - Halogen-quenched, uncompensated thin wall beta-gamma GM peanut tube.  Radiation symbol on front and top labels mark the center of the detectors.

Accuracy: ±15% over the entire operating range

Display: Windows Mobile™ PocketPCs, Palm™ Pilots or Windows™ based Laptop or Desktop Computer

System Requirements: Windows XP, 98, 2000, and Windows Mobile and PalmOS

Outputs: Bluetooth Wireless (30 ft range): count to computer, handheld or PDA phone.

Gamma Sensitivity: 7.5 CPS/mR/hr referenced to Co60. Smallest detectable level for I-125 is .02 μCi at contact.

Response Times: Slow = 30 seconds, Medium = 15 seconds, and Fast = 10 seconds

Alert Set Range: Software Alarm - mR/hr .001 - Full Range for both Accumulated Dose and Exposure Rate. The Probe’s internal alarm is Exposure Rate only.

Timer: Total Count timer from 1 -99,999,999,999 seconds.

Count Light: Red LED flashes with each radiation event.

Audio Indicator: Internally mounted beeper (can be switched off, volume adjusted and can be set for single tube audio).

Anti-Saturation: Meter will hold at full scale in fields as high as 100 times the maximum reading.

Power Requirements: Two (2) AA alkaline batteries.

Temperature Range: -10ºC to 50ºC (14ºF to 122ºF).

Weight: 337.4 grams (11.9 oz.) with battery.

Size: 332.7 x 63.5 x 35.6 mm (13.1 x 2.5 x 1.4in.)

Warranty: 90 day Warranty on GM Detector, 1 year limited