*Troxler model 3450 and 3430/3440 Plus/Enhanced models are $549.00 due to software fee.
Plastic Disk Check Sources
These are general purpose check sources used freely to check responses from multiple instruments, or may be contained inside Ludlum's mechanical check source holder that is attached directly to an instrument for convenience. The sources are sealed within a plastic disk.
| Source | Size (diameter × thickness) | Part Number |
|---|---|---|
| 0.25 µCi 137Cs | 2.5 cm × 3.2 mm (1.0 × 0.125 in.) | 01-5723 |
| 0.50 µCi 137Cs | 2.5 cm × 3.2 mm (1.0 × 0.125 in.) | 01-5203 |
| 1.0 µCi 137Cs | 2.5 cm × 3.2 mm (1.0 × 0.125 in.) | 01-5196 |
| 5.0 µCi 137Cs | 2.5 cm × 3.2 mm (1.0 × 0.125 in.) | 01-5186 |
| 10 µCi 137Cs | 2.5 cm × 3.2 mm (1.0 × 0.125 in.) | 01-5231 |
| 1.0 µCi 133Ba | 2.5 cm × 3.2 mm (1.0 × 0.125 in.) | 01-5818 |
