16 power connection, 17 interfaces, 18 safety specification – Metrohm 940 Professional IC Vario ONE/SeS/PP/Prep 2 User Manual

Page 122

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7.16 Power connection

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112

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940 Professional IC Vario ONE/SeS/PP/Prep 2 (2.940.1520)

7.16

Power connection

Required voltage

100 - 240 V ± 10% (autosensing)

Required fre-
quency

50 - 60 Hz ± 3 Hz (autosensing)

Power consump-
tion

65 W for typical analysis application

25 W standby (conductivity detector to 40 °C)

Power supply unit

Up to 300 W maximum, electronically monitored

Internal fuse 3.15 A

7.17

Interfaces

USB

Input

1 USB upstream, type B (labeled PC for connecting to a computer)

Output

2 USB downstream, type A (labeled USB 1 and USB 2)

MSB

2 MSB 8-pin mini-DIN (female) (labeled MSB 1 and MSB 2 for Dosino,
stirrer, remote lines, etc.)

Detector

2 15-pin high-density D-sub (female) (labeled Detector 1 and Detec-
tor 2
)

Column recogni-
tion

3 (including 2 in the column thermostat )

Leak sensor

1 jack plug (labeled Leak Sensor)

Further connec-
tions

1 15-pin D-sub (female) (labeled Extension Module)

7.18

Safety specification

This instrument fulfills the following electrical safety requirements:

CE marking in accordance with the EU directives:

2006/95/EC (Low Voltage Directive, LVD)

2004/108/EC (EMC Directive, EMC)

Federal Inspectorate for Heavy Current Installations ESTI (Accreditation
Number SCESp 033)

Safety mark for certification type 2 in accordance with NEV (type
testing with market monitoring, EMC conformity)

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