RAM SURF

Display:

Large, four digit, continuous ranging, LCD readout for diplay of accumulated dose, dose rate, alarm threshold value, overflow, low battery, and detector failure

LED:

Flashing count rate indication

Audio:

Piezo electric element synchronized with count LED

Units:

Counts per second (cps) or counts per minute (cpm)

Controls:

Three key keypad with positive feedback for ON/OFF, RESET and SPEAKER. Key combinations for selecting threshold displays

Power Source:

Standard 9V alkaline battery - provides approximately 50 hours continuous use with speaker off. Automatic battery check under full load.

Detector:

1.75" Pancake GM tube - LND73118 or equivalent

Window:

Mica, 1.5 - 2.0 mg/cm² protected by stainless steel mesh

Count Range:

0 - 42,000 cps

Sensitivity:

Approximately 5.8 cps/µSv/hr (58 cps/mR/hr) - ¹³⁷Cs

Background:

0 - 1 cps

Temperature Range:

Operation: -10^oC to +50^oC (15^oF to 122^oF)
Storage: -20^oC to +60^oC (-5^oF to 140^oF)

Humidity Range:

40% to 95% RH (non condensing)

Case:

High impact ABS

Dimensions:

7.2cm x 11.4cm x 6.2cm (2.8" x 4.5" x 2.4")

Weight:

Gene: 0.340 Kg (0.75 lbs) Surf: 0.630 Kg (1.4 lbs)