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ULVAC CRYOGENICS INCORPORATED
2.5 EMP-14A Electrical circuit
Power breaker
This is a protective breaker for control circuit of
EMP-14A. It trips when an electric leak or
short-circuit occurs.
Fuse
Protective fuses for AC circuit (F-1, 2: 3A) and
protective fuses for DC circuit (F3: 2A).
Sequencer
A controller used to control the operation of
EMP-14A system. This functions to operate the
necessary devices upon reception of signal from
each sensor. In the event of an error, please
inform the status of input-and-output lights of the
sequencer when contacting us.
Level sensor converter
An electric component for detecting the amount of
liquid nitrogen in EMP-14A. Since it is adjusted
precisely, do not touch any buttons.
Terminal block
Connected to the wiring of signal reception of the
electric appliances and automatic transfer target
dewar.
2.6 EMP-14A Top side (Figure 2-5)
Automatic transfer port (Optional)
Swagelok connector to connect
liquid nitrogen auto-transfer line. Do not touch
during and right after supplying liquid nitrogen as
it is extremely cold.