Precise Temperature, CO2, O2 Control and High Humidity 1. HF100 incubator adopts direct heat design ensures quick heating and rapid temperature recovery. 2. It uses two individual PT1000 temperature sensors which offer high precision. 3. An integrated water level sensor is used. 4. The incubator provides independent over-temperature safety control to protect samples from overheating. 5. IR or TCD CO2 sensor offers specific measurement and accurate control of CO2 levels. 6. The incubator has automatic calibration function, which helps ensure accuracy. 7. CO2 steel cylinder auto switch device is available as a standard configuration. 8. The incubator uses a Zirconia gas sensor for accurate control of oxygen concentration from 1% to 85%. 9. Relative humidity measurement and display is available. 10. Innovative design of water reservoir accelerates humidifying process. 11. A heated outer door minimizes cold spot that leads to condensation. 12. The new sealed inner glass doors reduce recovery time of temperature, CO2 and humidity.