C.4 30-cm Column heater and 30-cm Column
heater and column heater/cooler specifications
Table C–4: 30-cm CH and 30-cm CHC specifications
Attribute
Specification
Column capacity
Single column, up to 7.8 mm I.D.; up to 300 mm length,
with filter or guard column; two, 300-mm columns with
guards, or three, 300-mm columns with guards
Column selection
Select as many as three columns using the optional 3-
position column selection valve (8-port, 9,500 PSI)
Column compartment
temperature range
30-cm CHC: 4.0 (or 15.0 °C below ambient, whichever is
greater) to 65.0 °C
30-cm CH: 20.0 (or 5.0 °C above ambient) to 65.0 °C
Column compartment
temperature accuracy
+/- 0.5 °C, at the sensor
Test qualification: Temperature measured by a NIST-
traceable probe located next to the measurement sensor
must fall within this specification.
Column compartment
temperature stability
+/- 0.3 °C, at the sensor
Over temperature
stability
Note:
Thermal switch shuts off heater at 80 °C ±2.8 °C
(temperature measured at the thermal switch).
Leak control
Compartment drip tray installs under valve, if applicable. 30-
cm CHC has additional condensate drain. single exit drain
manages leaks to waste.
Solvent conditioning
Passive pre-heating
Column tracking
None
Primary wetted
materials
316L stainless steel, PEEK, Polyethylene, Tygon 2475
June 12, 2015, 715004747 Rev. A
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