Hoefer PS300B Power Supply is a versatile and reliable solution designed for a wide range of electrophoresis techniques. With automatic crossover functionality and user-friendly controls, the PS300B delivers consistent performance and flexibility for everyday lab use.
Features & Benefits:
- Operates in constant voltage or constant current mode with automatic crossover
- Voltage range: 10 to 300 V; Current range: 4 to 500 mA
- Maximum output power of 90 W
- Four 4 mm output jacks for simultaneous use with multiple systems
- Supports continuous operation or programmable timed runs (up to 999 minutes)
- Automatic recovery after power failure ensures uninterrupted workflows
- Built-in open circuit and short circuit protection for lab safety
- Compact footprint and ergonomic handle for portability
Operating Modes:
- Constant Voltage Mode: Maintains voltage by adjusting current automatically
- Constant Current Mode: Maintains current by adjusting voltage automatically
- Automatic Crossover: Automatically switches to the alternate parameter when limits are reached
Specifications
| Parameter | Specification |
|---|---|
| Voltage Range | 10–300 V (1 V steps) |
| Current Range | 4–500 mA (1 mA steps) |
| Maximum Output Power | 90 W |
| Timer | 0–999 minutes |
| Output Modes | Constant voltage or constant current |
| Output Jacks | 4 × 4 mm jacks in parallel |
| Operating Temperature | 4 to 40°C |
| Humidity | Up to 80% |
| Power Input | 100–240 VAC, 50/60 Hz (universal input) |
| Unit Dimensions (W × H × D) | 12.5 × 33.5 × 28 cm |
| Weight | 2.4 kg |
Additional Notes
The PS300B is an ideal choice for general lab electrophoresis, including DNA, RNA, and protein separations. Its robust safety features, intuitive interface, and consistent performance make it an excellent investment for routine use.