5 peristaltic pump, 6 suppressor module, 7 leak detector – Metrohm 761 SD Compact IC User Manual
Page 117: 8 rs232 interface, Peristaltic pump, Suppressor module, Leak detector, Rs232 interface
7.1 Technical data
761 SD Compact IC / Instructions for Use 8.
761.1043
109
Pump displacement
volumes
Main piston:
28.5
µ
L
Priming piston:
14.25
µ
L
Length of stroke
Main piston:
3.6 mm
Priming piston:
1.8 mm
7.1.5 Peristaltic
pump
Type
2-channel peristaltic pump
Pump capacity
Rotational speed
20 U/min at 50 Hz
24 U/min at 60 Hz
Flow range
0.4
…
0.5 mL/min with 6.1826.110 / 6.1826.040
Pump tubing
Maximum error
±
5 %
Maximum pressure
0.4 MPa (4 bar)
Pumpable liquids
Clear liquids with no solid contents
Pump tubing material
PP (polypropylene)
module
Switching duration
140 ms
Pressure resistance
2.5 MPa (25 bar)
7.1.7 Leak
detector
Type
Detector with 2 electrodes approx. 1 mm above
base of interior
Response level
Resistance < 1 M
Ω
(for deion. water)
interface
Connector
Dsub 9 pin (male)
Function
TxD and RxD signal for connection with software
handshake
Default settings
9600 baud, 8 bit, 1 stop bit, no parity, XON/XOFF