Column Oven

Column Oven CO903

Feature

Wide temperature range from low to high
- Two types are available to match your required operating temperature range.
- For low-temperature analysis, use TypeC (with cooler).
- Both types can control temperatures up to 90°C.
Easy storage for large columns
- Accommodates column lengths up to 500 mm.
- For columns with an outer diameter of 8–10 mm, up to 4 columns can be stored.
- For columns with an outer diameter of 13–38 mm, up to 2 columns can be stored.
  Note: The values above refer to the column outer diameter, not the inner diameter.
Simple operation with a touch panel
- The touch panel is designed to be intuitive and easy to understand visually.

*Note: This product is not CE marked and is not intended for sale within the EU/EEA.

Specifications

Item	CO903 Type N	CO903 Type C
System	Forced-circulation air temperature chamber	Forced-circulation air temperature chamber
Heating / Cooling	Sheath heater heating / —	Sheath heater heating / Thermo-module cooling
Set temperature	0–90 °C (1 °C step)	0–90 °C (1 °C step)
Control range	Ambient +10 to 90 °C	Ambient −20 to 90 °C
Temperature control precision	±0.3 °C (at 40 °C)	±0.3 °C (at 40 °C)
Chamber (internal) dimensions	170 (W) × 80 (D) × 600 (H) mm	170 (W) × 80 (D) × 600 (H) mm
Safety	Overheat protection (error at ≥95 °C); Thermal guard (105 °C); Built-in flammable solvent leak sensor; Door switch	Overheat protection (error at ≥95 °C); Thermal guard (105 °C); Built-in flammable solvent leak sensor; Door switch
Input signal	Oven OFF	Oven OFF
Output signal	Error signal	Error signal
External dimensions	252 (W) × 420 (D) × 700 (H) mm H excludes rubber feet	252 (W) × 420 (D) × 700 (H) mm H excludes rubber feet
Weight	Approx. 20 kg	Approx. 23 kg
Ambient operating temperature	5–35 °C	5–35 °C
Humidity	30–80 %	30–80 %
Power supply	AC100 V ±10 %, 50/60 Hz	AC100 V ±10 %, 50/60 Hz
Power consumption	Approx. 360 VA	Approx. 360 VA
Display	Touch panel	Touch panel
Communication	RS-232C (controller)	RS-232C (controller)
Other	Seismic fixing plate (optional); Two manual injectors can be mounted	Seismic fixing plate (optional); Two manual injectors can be mounted
Column holder size / capacity	Outer diameter 8–10 mm: 4 columns Outer diameter 13–38 mm: 2 columns	Outer diameter 8–10 mm: 4 columns Outer diameter 13–38 mm: 2 columns