8 injection valve, 9 column heater, Injection valve – Metrohm 881 Compact IC pro – Cation User Manual

Page 83: Column heater

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7 Technical specifications

881 Compact IC pro – Cation

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75

Pressure range

Pump

0…50.0 MPa (0…500 bar)

Pump head

0…35.0 MPa (0…350 bar) (applies for the standard PEEK pump head)

Residual pulsa-
tion

< 1 %

Safety shutdown

Function

Automatic shutdown upon reaching the pressure limit values

Maximum pres-
sure limit

Adjustable from 0.1…50 MPa (1…500 bar)

The pump is automatically shut down at the first piston stroke
above the maximum limit value

Minimum pres-
sure limit

Adjustable from 0…49 MPa (0…490 bar)

The shutdown mechanism is inactive at 0 MPa

The shutdown mechanism only becomes active 2 minutes after sys-
tem start

The pump is automatically shut down after 3 piston strokes below
the minimum pressure limit

7.8

Injection valve

Actuator time

typ.100 ms

Max. operating
pressure

35 MPa (350 bar)

Material

PEEK

7.9

Column heater

Type

Resistance heater for the thermostatization of one integrated column
with a length of up to 300 mm.

Adjustable tem-
perature range

+ 0…+ 80 °C, in increments of 0.1 °C

Heating

Ambient temperature + 5 °C … Ambient temperature + 40 °C

Temperature
reproducibility

± 0.2 °C

Stability

< 0.05 °C

Heating up time

< 30 minutes from 20 to 40 °C

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