Product	Detector Type	Active Window Area	Efficiency

Model 44-1	Plastic Scintillator For Beta Detection	9.7 cm² (1.5 in²)	¹⁴C : 7%
Model 44-21	NaI(Tl) + Plastic Scintillator For Beta-Gamma Detection	5.1 cm² (0.8 in²)	¹⁴C : 4% ³²P : 28% ¹²⁵I : 38% ¹²⁹I : 19%
Model 44-98	BGO Scintillator For Beta-Gamma Detection	5 cm² (0.8 in²)	¹²⁵I : 15% ¹²⁹I : 8% ¹⁴C : 3%
Model 43-65-1	Plastic Scintillator For Beta Detection	63 cm² (9.8 in²)	⁹⁹Tc : 15% ⁹⁰Sr/⁹⁰Y : 20% ¹⁴C : 1%
Model 44-116	Plastic Scintillator For Beta Detection	125 cm² (19.4 in²)	¹⁴C : 4% ⁹⁰Sr/⁹⁰Y : 30% ⁹⁹Tc : 20%
Model 44-142	Plastic Scintillator For Beta Detection	100 cm² (15.5 in²)	¹⁴C : 4% ⁹⁰Sr/⁹⁰Y : 30% ⁹⁹Tc : 20%
Model 44-215	Plastic Scintillator For Beta Detection	20 cm² (3.1 in²)	⁹⁹Tc : 33% ¹⁴C : 10% ⁹⁰Sr/⁹⁰Y : 33%
Model 44-92	Gas Proportional For Beta-Gamma Detection	169 cm² (26.2 in²)	¹⁴C : 10% ⁹⁹Tc : 13% ³⁶Cl : 24% ⁹⁰Sr/⁹⁰Y : 26% ¹²⁹I : 3% ⁵⁷Co : 1.6% ⁵⁵Fe : 1.2% ²³⁹Pu : 10%
Model 44-110	Windowless Gas Flow Proportional For Tritium/Beta Detection	126 cm² (19.5 in²)	³H : 25%