250L 400C Benchtop Laboratory Drying Oven NuOven B252-I
- Compact laboratory design with efficient rear heating.
- Horizontal forced convection thermal management.
- Durable stainless steel chamber with coated housing.
- High-speed CPU controller for precise regulation.
- Precision PT100 resistance temperature detection.
- Flexible 99-hour automated operation programming.
- Multi-level alarm system for complete protection.
- Operational parameter memory function.
- Temperature reading calibration capability.
- Dynamic self-monitoring control technology.
- Secondary safety shutdown option available.
- Inert atmosphere control interface.
| Model | NuOven B31-I | NuOven B72-I | NuOven B101-I | NuOven B150-I | NuOven B252-I | ||
| NuOven C31-I(*Note) | NuOven C72-I (*Note) | NuOven C101-I (*Note) | NuOven C150-I (*Note) | NuOven C252-I(*Note) | |||
| Chamber volume(L) | 30 | 70 | 100 | 150 | 250 | ||
| Convection Method | Horizontal forced Convection (Fan) | ||||||
| Temp. Control Range | RT+10℃～ 400℃ | ||||||
| Temperature | Accuracy | ±1℃ at 100℃ | |||||
| Fluctuation | ±1.5℃ | ||||||
| Uniformity | ± 1.5℃ at 100℃ | ± 2.5℃ at 100℃ | |||||
| Controller | PID microprocessor control, soft touch, LED display | ||||||
| Sensor | PT100 | ||||||
| Timer | Power-on, power off and working. Timing range: 1min-99hr | ||||||
| Material | Internal | 304 stainless steel | |||||
| External | Steel (powder coating) | ||||||
| Dimensions (WxDxH,mm) | Internal | 300*300*350 | 400*400*450 | 450*450*500 | 500*500*600 | 600*600*700 | |
| External | 640*520*575 | 740*620*675 | 790*670*725 | 840*720*825 | 940*820*925 | ||
| Net Weight(Kg) | 46 | 65 | 78 | 94 | 125 | ||
| Consumption Power(W) | 1200 | 1600 | 2000 | 2500 | 3200 | ||
| Shelf Size(mm) | 290*270 | 390*370 | 440*420 | 490*470 | 590*570 | ||
| ShelfQty(Standard/Maximum) | 2/4 | 2/4 | 2/4 | 2/4 | 2/5 | ||
| Power Supply | 220V/50Hz (Optional: 220V/60Hz, 110V/60Hz) | ||||||
*Note:NuOven C31-I/C72-I/C101-I/C150-I/ C252-I has10-segment temperature control program to realize temperature curve program running.
Many industries operate under strict guidelines (e.g., ISO, ASTM, USP). Laboratory drying ovens used in these settings must comply with specific standards. Protocols will dictate exact drying temperatures and times for given materials. For example, USP <701> for pharmaceutical glassware sterilization specifies time and temperature profiles for dry heat.
Compliance often requires documented evidence of the oven's performance. This includes installation qualification (IQ), operational qualification (OQ) verifying temperature uniformity across the workspace, and performance qualification (PQ) showing it works for the intended process. Regular calibration and preventive maintenance logs are part of this compliance framework, proving the instrument is fit for its regulated purpose.
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