Knauer AZURA P 2.1S, User Manual

Page: 39 / 47

Technical Data 39
P 2.1S/P 4.1S user manual V6870, version 3.1
Technical Data
Solvent delivery Pump type Dual-piston pump with main and
auxiliary piston
Flow rate range

10 ml pump head:
0.001 - 10 ml/min

50 ml pump head:
0.01 - 50 ml/min
Maximum pressure

10 ml pump head:
40 MPa to 10 ml/min
Imax = 70

50 ml pump head:
15 MPa to 50 ml/min
Imax = 80
Flow rate accuracy

± 1%, measured at 5 - 50% of
flow range using ethanol/water
10:90

For pumps without a pressure
sensor dependent on pressure
Flow rate precision Relative standard deviation RSD:
< 0.5 % (1 ml/min)
Gradients

Isocratic HPLC pump

Expandable to a binary high pres-
sure gradient system (controlled
by software)
System protection

Pump with pressure sensor:

P
min
and P
max
adjustable

I
min
and I
max
adjustable

Pump with pressure sensor:
I
min
and I
max
adjustable
Communication Operation

LAN

RS-232

Analog

Buttons on the device
Analog inputs 0 – 10 V
Supply frequency 50-60 Hz
Active power con-
sumption maximum 40 W
Protection IP-20