Fault switch, ready output, Mains connection, Safety specifications – Metrohm 828 IC Dual Suppressor User Manual
Page 48
6 Appendix
828 IC Dual Suppressor/ 8.828.1003 Instructions for Use
40
6.1.4 Fault switch, ready output
Connection
6-pin (male)
Purpose
Pins 1-3 and 4-6 form two independent fault
switches which indicate an instrument error (an
LED lights up red).
Pin occupancy
Ready status:
• Open between NC and COM
• Closed between NO and COM
Not Ready status:
An impulse of 1 s is outputted; during this time
the pin switching is reversed.
• Closed between NC and COM
• Open between NO and COM
6.1.5 Mains connection
Voltage
100...240 V
automatic voltage adaptation in instrument
Frequency
50...60 Hz
Power consumption
25 W
Fuse
5 mm dia., 20 mm long
1.0 AT (slow blow); must only be replaced by the
same type
6.1.6 Safety specifications
Construction and testing
According to EN/IEC 61010-1 / UL 3101-1,
protection class 1
Safety instructions
The Instructions for Use contain safety
information that must be observed by the user in
order to ensure the safe operation of the
instrument.
NC normally
closed
COM common
NO normally
open