American Magnetics 110 Liquid Helium Level Meter (CE-Marked) - Manual (Page 18)

8
Installation
Verifying power requirements
2.4 Connecting any Analog Output Option
If an analog output option has been installed in the instrument, prepare
the mating end of the connector and plug it into the connector J1 on the
rear panel. Refer to the Appendix of this manual for a description of the
connector J1 wiring.
2.5 Connecting the Instrument to Power
Warning
The Model 110A operates on 50-60 Hz power and may be configured
for 100-120 or 200-240 VAC ±10%. The power requirement for the
instrument is marked on the calibration sticker on the bottom of the
instrument. Verify that your instrument is configured for your
power source prior to plugging in the line cord. Do not fail to connect
the input ground terminal securely to an external earth ground.
Verify that the instrument is configured for the proper operating voltage
by referring to the calibration sticker affixed to the bottom of the
instrument. If the operating voltage is correct, plug the line cord into the
appropriate power receptacle.
Warning
Do not install the instrument in a manner that prevents removal of
the line cord from the rear panel of the instrument.