2 technical data, 1 2 channel peristaltic pump, 2 pump connections – Metrohm 838 Advanced Sample Processor Installation Instructions User Manual
Page 76: 3 injection valve, 4 keypad with lcd display
6.2 Technical data
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Metrohm 838 Advanced Sample Processor, Annex
6.2 Technical data
6.2.1 2 Channel peristaltic pump
Speed
± 6.7/min ... ± 100/min
adjustable in ±15 steps
Delivery rate (typical)
(with water, no back-
pressure, dependent on
contact pressure and
tubing type, at 20/min
apart from 6.1826.150 in
the case of 67/min)
Tubing Delivery
6.1826.010:
1.4 ml/min
6.1826.020:
3.8 ml/min
6.1826.030:
0.4 ml/min
6.1826.040:
0.8 ml/min
6.1826.070:
2.6 ml/min
6.1826.130:
1.4 ml/min
6.1826.150:
23.8 ml/min
Pressure
Pumpable fluids
Pump tubing material
max. 4 bar (0.4MPa)
Clear fluids, no solids
PVC (Tygon® ST)
PVC (Tygon® LFL)
PP
6.2.2 Pump
connections
Outlets
for 823 Membrane Pump
or 772 Pump Unit
2 x M8 sockets:
U = 16 ± 1 V
I ≤ 0.8 A
6.2.3 Injection
valve
Positions
Fill … Inject
6.2.4 Keypad with LCD display
Number of characters
Character height
LED indicators
Number of keys
2 x 24
5 mm
3
30