Technical Associates TBM-3SR Radiation DetectorManufactured by Technical Associates. Contains internal GM detector, with BETA SHIELD. Similar to a Ludlum Model 3 with a 44 9 pancake probe, but with these units, you are buying the ratemeter with the internal detector. From the manufacturer, technical specs: FEATURES: SENSITIVE TO ALPHA, BETA & GAMMA ONE HAND OPERATION BUILT IN SPEAKER ANTI SATURATION CIRCUIT LARGE 2'' PANCAKE DETECTOR BETA SHIELD WINDOW PROTECTION (TBM 3SR Only) DESCRIPTION: Small

• Size: 28

over-responding by a factor of 6 in the 60 keV to 100 kdV range when normalized to 137Cs

0-90% of final reading as follows:

SENSITIVITY: typically 45 cpm/mrem/hr (AmBe) (with 25

proportional AUDIO SPEAKER (BATTERY COMPLEMENT) Built-in (Quantity) type (PHYSICAL CHARACTERISTICS) AC line or 6 V gel rechargeable battery PHYSICAL CHARACTERISTICS Display type (TEMPERATURE) Digital

1 Cm (2 In

The easy to see color LCD screen provides visual cues and readily displays contaminated areas

Traffic flow can be either direction

mobile cart: tubular steel construction with 20

Power Jack

dynamic range and degree of background rejection

6 inches (6