The document is an instruction manual and applications guide for CHEF-DR® II Pulsed Field Electrophoresis Systems, describing the usage and applications of the product. The product consists of a control module, drive module, chamber, variable speed pump, and accessories, with a 1-year warranty. The document lists the excluded defects from the warranty and the parts not covered by the warranty.
The CHEF‑DR II system is a pulsed‑field electrophoresis instrument that resolves chromosome‑sized DNA using a 24‑electrode hexagonal array. The manual covers safety, setup, operation, sample preparation, gel casting, maintenance, and troubleshooting.
Key components include a drive module, control module, electrophoresis cell, variable‑speed pump, and optional Model 1000 Mini Chiller. Detailed specifications, wiring diagrams, and recommended operating parameters are provided throughout the guide.
| Drive module dimensions | 26 × 43 × 14 cm (depth × width × height) |
|---|---|
| Drive module construction | Aluminum chassis |
| Drive module weight | 7.8 kg |
| Maximum voltage | 250 VDC |
| Maximum current | 500 mA |
| Electrode potentials regulation | Dynamic feedback ±0.5 % |
| Input voltage range | 90‑132 VAC / 47‑63 Hz (0.7 A max) or 198‑264 VAC / 47‑63 Hz (0.35 A max) |
| Electrophoresis cell dimensions | 43 × 44 × 11 cm (depth × width × height) |
| Electrodes | 24 platinum electrodes, 0.01 in diameter |
| Model 1000 Mini Chiller cooling capacity | 75 W at 14 °C |