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The column oven precisely controls the temperature around the column to support stable
analysis that is unaffected by changes in ambient temperature.
It can contain various units and parts in addition to the column, including a manual injector
(CTO-20A/20AC), gradient mixer, high-pressure flow-line selection valves (any two:
2-position/6-port, 6-position/7-port), cell block of an electric conductivity detector
(CTO-20A/20AC), and a reaction coil (CTO-20A/20AC).
The CTO-30A is a block-heating type column oven. It offers temperature control up to
150°C and the intelligent heat balance mechanism extracts maximum performance from a
high-efficiency column.
The CTO-20A is a forced-air circulation-type column oven. It offers temperature control
from 10°C below room temperature to 85°C.
It allows setting of complex temperature programs, such as linear-wise or step-wise
heating and cooling. The CTO-20AC incorporates a cooling function. This electronic cooler
offers temperature control from −10°C below room temperature to 85°C.
Column Ovens
This product supports installation of the CMD
(Column Management Device), which can be
used to record information about the way the
column is used, such as the number of
injections, the amount of mobile phase that
flows, and the composition of the last mobile
phase used. This information can be managed
at an LC workstation (LabSolutions) or a PC in
the network using the Web-control function.
Changes in Room Temperature and
Internal Oven Temperature in One Day
Changes in Room Temperature and
Stability of Retention Time for Vitamin A Acetate in One Day
The interior of the oven is precisely regulated with a high-performance thermistor. Also, the temperature is calibrated at two different
temperatures to ensure a high level of accuracy.
Installation of CMD (Option)
Precise Temperature Regulation
CTO-30A
Supports high-temperature analysis up to 150°C
CTO-20A / 20AC
Accommodates multiple columns
Analysis time (hours, minutes)
Temperature (°C)
CTO-20AC
Room temperature
Internal oven
temperature
Retention time (min)
Analysis time (hours, minutes)
Retention time
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