Sample Counter Heads

All our instruments and detectors come standard with series "C" connectors. However, other connectors are available if specifically requested when ordering your instrument. View a list of common connectors.

Detector Reference Chart

Product	Detector Type	Max. Sample Size	Efficiency	Features

Model 43-9	Alpha ZnS(Ag) Scintillator	2.5 x 0.15 cm (1 x 0.06 in.) [D x L]	²³⁰Th : 30%
Model 43-10	Alpha ZnS(Ag) Scintillator	5.1 x 0.9 cm (2 x 0.4 in.) [D x L]	²³⁰Th : 37%
Model 43-78	Alpha Zns(Ag) Scintillator	12.7 x 0.46 cm (5 x 0.18 in.) [D x L]	²³⁰Th : 37% ²³⁹Pu : 37%
Model 43-10-1	Alpha-Beta ZnS(Ag) + Plastic Scintillator	5.1 x 0.9 cm (2 x 0.4 in.) [D x L]	²³⁹Pu : 37% ²³⁰Th : 32% ²³⁸U : 39% ¹⁴C : 5% ⁹⁹Tc : 27% ¹³⁷Cs : 29% ⁹⁹Sr/⁹⁰Y : 26%
Model 43-10-10	Alpha-Beta ZnS(Ag) + Plastic Scintillator	5.1 x 1.0 cm (2 x 0.4 in.) [D x L] Adapted for iCam Filters	²³⁹Pu : 40%
Model 43-78-2	Alpha-Beta ZnS(Ag) + Plastic Scintillator	7.6 x 0.46 cm (3 x 0.18 in.) [D x L]	²³⁹Pu : 37% ⁹⁰Sr/⁹⁰Y : 37%
Model 44-110-4	Alpha-Beta Windowless Gas Flow Proportional	5.1 x 0.9 cm (2.0 x 0.4 in.) [D x L]	³H : 3% ¹⁴C : 21% ⁶³Ni : 36% ²³⁹Pu : 42%	Windowless Gas Flow Proportional Sample Counter Head Max. Sample Size: 5.1 x 0.9 cm (2.0 x 0.4 in.) [D x L]
Model 120	Alpha-Beta-Gamma Gas Flow Proportional	5.1 cm (2.0 in.) dia.	¹⁴C : 10% ⁹⁰Sr/⁹⁰Y : 42% ²³⁰Th : 35% Gamma : 1%
Model 180-8	Alpha-Beta-Gamma End Window GM	5.1 cm (2 in.) dia.	¹⁴C : 2% ⁹⁰Sr/⁹⁰Y : 10% ²³⁹Pu : 7%	Lead Shielding Includes End Window GM Detector
Model 43-78-1	Beta Plastic Scintillator	12.7 x 0.46 cm (5 x 0.18 in.) [D x L]	⁹⁰Sr/⁹⁰Y : 40% ¹⁴C : 12% ⁹⁹Tc : 35%
Model 182	For Radon Flask Sample Counting	6.1 x 12.7 cm (2.4 x 5 in.) [D x L]
Model 203	Gamma NaI(Tl) Well Scintillator 5.1 x 4.6 cm (2 x 1.8 in.) [D x L]	1.7 x 3.9 cm (0.66 x 1.6 in.) [D x L]	¹²⁹I : 65% ¹³⁷Cs : 33% ⁶⁰C0 : 43%
Model 243	Gamma NaI(Tl) Integral Line Well Scintillator 4.6 x 5.1 cm (1.8 x 2 in.) [D x L]	1.7 x 3.9 cm (0.66 x 1.6 in.) [D x L]	¹²⁵I : 80% ^99mTc : 90% ¹³⁷C : 33% ⁶⁰Co : 43%