This instrument combines Ludlum’s Model 2929 Dual Channel Scaler with its Model 43-10-1 Sample Counting Head to create an alpha/beta sample counter. The Model 2929 is a dual-channel scaler incorporating a pulse height analyzer that provides alpha beta separation and displays the counts for each on dedicated six-digit LED readouts.
The Model 43-10-1 sample counting head is a scintillator/zinc sulfide phoswitch with a sample tray accommodating up to a 5.1 cm (2 in.) diameter filter or planchet. The system comes complete with interconnecting cable and with the detector/sample tray joined to the scaler instrument to facilitate portability.
WINDOW: 0.4 mg/cm²
EFFICIENCY (4π): 37% for 239Pu; 32% for 230Th; 39% for 238U; 5% for 14C; 27% for 99Tc; 29% for 137Cs; 26% for 99Sr/90Y
- alpha: 3 cpm or less
- beta: 80 cpm
SAMPLE SIZE (maximum): 5.1 x 0.9 cm (2 x 0.4 in.) (Dia x L)
SIZE: 23.6 x 11.4 x 23.6 cm (9.3 x 4.5 x 9.3 in.) (H x W x L)
WEIGHT: 1.9 kg (4.1 lb)