| Items | NB-203QRXXL | NB-205QRXXL |
| Temp. Range | Ambient +7℃ to 60℃ at 25℃ RT | Ambient +7℃ to 60℃ at 25℃ RT |
| Temp. Uniformity | Temp ±0.5℃ ~0.7℃ at 37℃ and 25℃ RT | Temp ±0.5℃ ~0.7℃ at 37℃ and 25℃ RT |
| Temp. Increment | ±0.1℃ | ±0.1℃ |
| Temp. Recovery* | 12 minute at 37℃ after door open for 5 minute | 12 minute at 37℃ after door open for 5 minute |
| Heating | 5 Side direct heating with forced air flow by 4 circulation fans | 5 Side direct heating with forced air flow by 4 circulation fans |
| Temp. Safety | Independent over temperature thermostat | Independent over temperature thermostat |
| Interior Outlet | 7 Outlets (Standard) | 7 Outlets (Standard) |
| Display | Digital display, 5 digit LED for Temp. & CO2 | Digital display, 5 digit LED for Temp. & CO2 |
| Number of Shelve | Optional (Max. 35ea) | Optional (Max. 35ea) |
| Door | Front door (left open) with viewing glass window | Front door (left open) with viewing glass window |
| Electric Safety | Fuse 15A for Incubator Fuse 10A for Interior outlet | Fuse 15A for Incubator Fuse 10A for Interior outlet |
| Interior Dimensions | 867.6(W) x 720(D) x 1927.6(H)mm | 867.6(W) x 720(D) x 1927.6(H)mm |
| Exterior Dimensions | 990(W) x 855(D) x 2123.5(H)mm | 990(W) x 855(D) x 2123.5(H)mm |
| Chamber Capacity | 42.5 cu ft / 1,204L | 42.5 cu ft / 1,204L |
| Chamber Material | Stainless steel 304 | Stainless steel 304 |
| Power Supply | 100V or 120V or 220V / 50 or 60Hz (670W) | 100V or 120V or 220V / 50 or 60Hz (670W) |
| CO2 Range | 0 ~ 20% | N/A |
| CO2 Sensor | Dual Beam Infrared Sensor (IR) | N/A |
| CO2 Accuracy | ±0.1% at 5% | N/A |
| Alarm | Temperature, CO2, Door Open | Temperature, Door Open |
| Analogue Output | Temperature, CO2, Alarm Contact, Roller Alarm Contact | Temperature Alarm Contact Roller Alarm Contact |