ULVAC CRYOGENICS INCORPORATED
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2.3 Inside of EMP-14A front door and lower panel (Figure 2-3)
Liquid nitrogen dewar
Stores liquid nitrogen up to 40 liters.
Cold head (S050)
The cold head works in conjunction with SA115-C
compressor to achieve ultra-low temperature. The
cold head requires
maintenance services
according to the time it operates.
Pressure gauge
Displays the pressure inside the dewar.
He PRESSURE METER
Displays the pressure of helium gas filled in
SA115-C.
He Gas CHARGE
The port for charging helium gas. Do not touch
except when needed, as touching it may result in
helium leakage.
OPERATION switch
Use this lever to switch between start and stop of
SA115-C. Normally, move the lever upward. This
lever is also used to reset SA115-C in the event of
a failure.
RUNNING TIME
Displays the total operation time of SA115-C.
Use this information to perform maintenance
properly.
2.4 Inside the lower panel on the back
L/R Switch
Use this lever to choose whether to switch start
and stop of SA115-C from EMP-14A control circuit
(REMOTE), or from RUN/STOP switch of
SA115-C (LOCAL). The default setting is
REMOTE. If it is changed to LOCAL, control of
EMP-14A is disabled.
(Back of SA115-C)
