Abacus Wireless Handheld

The Abacus is a handheld, digital radiation detection device that enables you to complete your surveys automatically with your Abacus and a Windows Mobile™, Palm™ Pilot or Windows™ Computer.

Not only does it offer excellent sensitivity to low levels of alpha, gamma, and x-rays, but the internal "guard" detector automatically performs gamma subtraction from the "pancake" detector for unprecedented beta sensitivity.

The software can display a variety of units for a wide array of applications, take timed counts, control the audio of each tube, and save your surveys for easy analysis and sharing, all wirelessly with Bluetooth® right to your computer! The Abacus also has a red count light, a beeper sound and selectable alarm thresholds for quick assessments.

Specifications

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.

Display
Windows Mobile™ PocketPCs, Palm™ Pilots or Windows™ based laptop or desktop computer.

Operating Range
Exposure Rate
µR/h - 0 to 2,000,000 µR/h
mR/h - 0 to 2,000 mR/h
µSv/h - 0 to 20,000 µSv/hCount Rate:
cpm - 0 to 750,000 cpm
cps - 0 to 12,500 cps
Sample Counting:
Total counts - >99,999,999,999

Accumulated Dose
1.8E308

Total Time
Unlimited

Accuracy
±15% over the entire operating range
Alert Set Range
mR/hr .001 - 50 and CPM 1 - 160,000

Gamma Sensitivity
7.5 CPS/mR/hr referenced to Co60. Smallest detectable level for I-125 is .02 µCi at contact.
Timer
Total Count timer from 1 -99,999,999,999 seconds.
Count Light
Red LED and internal beeper (can be switched off for silent operation)
Outputs
Bluetooth Wireless Serial Connection.
Anti-Saturation:
Meter will hold at full scale in fields as high as 100 times the maximum reading.

Power Requirements
Two (2) AA 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

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