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| Brand | Chuanyu Instruments (Shanghai Chuanyu Instrument Co., Ltd.) |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Authorized Distributor |
| Product Category | Domestic |
| Model | CHDJ-II (2-Layer) |
| Instrument Type | Stackable Constant-Temperature Shaker |
| Timer Range | 0–120 min (standard) |
| optional extended timer | 0–9999 min |
| Oscillation Frequency | 0–280 rpm |
| Oscillation Amplitude | 26 mm (Φ) |
| Temperature Range | 4–60 °C |
| Temperature Accuracy | ≤ ±0.5 °C (typical) |
| Temperature Uniformity | ≤ ±0.5 °C across chamber |
| Number of Shaking Platforms | 2 |
| Platform Dimensions | 440 × 350 mm |
| Inner Chamber Dimensions (per layer) | 540 × 450 × 450 mm |
| Overall Dimensions (2-layer) | 640 × 700 × 1400 mm |
| Power Supply | 220 V, 50 Hz |
| Drive System | Brushless DC motor with eccentric cam mechanism |
| Display | 5-inch color LCD touchscreen |
| Control Logic | PID auto-tuning temperature controller with PT100 sensor |
| Security | Three-level password management |
| Defrost Mode | Five-stage automatic defrost |
| Power Recovery Modes | Resume, Hold, or Restart |
| Door Access | Side-opening design, tool-free operation |
| Optional Features | UV germicidal lamp, internal LED illumination, 10-segment programmable schedule (temp + speed), data logging with USB export (CSV), RS-485 interface (optional) |
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