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7 technical specifications, 1 lift and turntable, 2 two-channel peristaltic pump – Metrohm 919 IC Autosampler plus User Manual

Page 41: 3 interfaces and connectors, Lift and turntable, Two-channel peristaltic pump, Interfaces and connectors

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7 Technical specifications

919 IC Autosampler plus

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33

7 Technical specifications

7.1

Lift and turntable

Stroke path

235 mm

Maximum lift load

approx. 30 N

Lift rate

adjustable, 5…25 mm/s

Turntable speed

adjustable, 3...20 angle degrees/s

7.2

Two-channel peristaltic pump

Pump rate

6…90 rpm, adjustable in 15 steps each in both directions of rotation

Typical flow rate

0.3 mL/min at 18 rpm; with standard 6.1826.320 pump tubing
The effective flow rate is dependent on the contact pressure and type
of tubing.

Maximum pres-
sure

4 bar (0.4 MPa)

Conveyable liquids

Clear liquids without solids

Tubing materials

PVC (Tygon® ST), PVC (Tygon® LFL), PP

7.3

Interfaces and connectors

Controller connec-
tor

USB Upstream port (9-pin Mini DIN socket) for connecting a computer
for controlling the instrument.

MSB connectors
MSB1…MSB3

Three 9-pin Mini DIN sockets for connecting dosing devices (Dosino/
Dosimat), stirrers, etc.

USB connectors
1/2

Two USB Downstream Ports (Type A sockets), each 500 mA, for con-
necting Metrohm instruments or USB peripheral devices of other man-
ufacturers.

Stirrer connector

DIN socket

Stirring rate

722/802 propeller stirrer: 180…3000 rpm
741 magnetic stirrer: 180...2600 rpm
adjustable in 15 steps each in both directions of rotation

Pump connectors

Two M8 sockets for 772 Pump Unit or 823 Membrane Pump Unit
U = 16 ± 1 V, I =

≤ 0.8 A

Swing Head con-
nector

9-pin Mini DIN socket