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| Brand | WTW |
|---|---|
| Origin | Germany |
| Model | CR 4200 |
| Digestion Method | Rapid Thermal Digestion |
| Heating Blocks | Dual independent 12-position blocks |
| Sample Capacity | 24 × 16 mm OD reaction tubes |
| Temperature Range | 25–170 °C |
| Time Range | 0–180 min |
| Temperature Accuracy | ±1 °C |
| Temperature Stability | ±0.5 K |
| Overtemperature Protection | 190 ±5 °C |
| Heating Rate | 25→100 °C in ≤5 min, 25→120 °C in ≤7 min, 25→148 °C in ≤10 min |
| Power Supply | 230 VAC/50 Hz or 115 VAC/60 Hz |
| Power Consumption | 560 W |
| Operating Temperature | +5 to +40 °C |
| Storage Temperature | –25 to +65 °C |
| Dimensions (W×D×H) | 292 × 245 × 180 mm |
| Weight | 3.6 kg |
| Communication Interface | RS-232 |
| Certified Compliance | GS, CE, cETLus |
| Optional Accessory | External temperature probe TFK CR (Art. No. 250100) |
| Brand | WTW |
|---|---|
| Origin | Germany |
| Model | CR 3200 1P22-1 |
| Digestion Method | Rapid Digestion |
| Heating Modules | Dual Block Heater |
| Batch Capacity | 24 × 16 mm tubes |
| Temperature Range | 25–170 °C |
| Time Range | 0–180 min |
| Power Supply | 230 VAC 50 Hz ±15% / 115 VAC 60 Hz ±15% |
| Power Consumption | 560 W |
| Safety Class | I (DIN VDE 0700 Part 1:11/90) |
| Certifications | CE, cETLus, GS |
| Dimensions (W×H×D) | 256 × 185 × 315 mm |
| Weight | 3.6 kg |
| Interface | RS232 (unidirectional), 2 banana sockets (for TFK CR, AK CR/P or CR/PC sensors) |
| Brand | WTW |
|---|---|
| Origin | Germany |
| Model | CR2200 1P21- |
| Digestion Method | Rapid Digestion |
| Heating Module | Single Heating Block |
| Batch Capacity | 12 × 16 mm Tubes |
| Temperature Range | Ambient to 170 °C |
| Fixed Programs | 5 pre-set (100 °C/60 min |
| Temperature Stability | ±0.5 K |
| Control Accuracy | ±1 °C |
| Overtemperature Protection | 190 °C ±5 °C |
| Heating Time | 25 °C → 100 °C in 5 min |
| Power Supply | 230 V AC / 50 Hz or 115 V AC / 60 Hz |
| Power Consumption | 280 W |
| Dimensions (W×D×H) | 292 × 245 × 180 mm |
| Weight | 2.9 kg |
| Safety Certifications | GS, CE, cETLus |
| Operating Temperature | +5 °C to +40 °C |
| Storage Temperature | −25 °C to +65 °C |
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