MJ Research DNA Engine Tetrad PTC-225 Base Unit (No Alpha Blocks / No Power Cord

This listing is for a MJ Research DNA Engine Tetrad PTC-225 thermal cycler base unit. The PTC-225 accepts up to four hot-swappable Alpha Block modules, allowing independent or simultaneous PCR runs. It was removed from a decommissioned lab where it was reported fully functional; however, we lack the proprietary DC power supply to test further. All buttons are responsive, and no damage is observed beyond normal wear. Item specifics FieldValue BrandMJ Research (Bio-Rad) ModelPTC-225 MPNPTC-225 TypePeltier Thermal Cycler Base Country/Region of ManufactureUnited States Serial No.TD004085 Input Power40 – 44 V DC, 50 A (external supply required) Included AccessoriesNone (base unit only) Sample CapacityDepends on installed Alpha Block modules (not included) What’s included PTC-225 base chassis exactly as pictured Built-in control keypad & display Rear connector panel (power + I/O) No Alpha Block sample modules, power cords, external PSU, or any other accessories are included. What’s NOT included Alpha Block sample modules (sometimes called “DNA Engine blocks”) – these slide in/out to hold 96-well or 384-well plates and are required for operation Marshall ScientificConquer Scientific External 40-44 V DC power supply / mains cord Any cables, software, or consumables Key features Runs 1–4 Alpha Blocks with gradient capability Independent temperature control per block Hot-swappable block design minimizes downtime Compact footprint for high-throughput PCR environments Shipping & handling Ships within 1 business days from Seattle, WA.