Ralston Instruments LC20 Guide De Démarrage Rapide page 31

always easily accessible.
• If pressure sensor option is installed, then seal pressure connection
with thread sealant prior to assembling it in any pressure system.
• If temperature sensor option is installed, then connect thermal probe
using a rated thermal well or other approved device.
• Place gauge in area that is protected from damage from weather,
excessive temperature, impact or humidity.
Connecting to Accessories or Other Equipment
Connect to a PC via USB cable
• Use only approved USB cable P/N D-000040
Connect to AC Mains
• Use only approved power adapter P/N D-000410 and approved USB
cable P/N D-000040
Connect to External Thermal Probe
• Connect thermal probe cable to gauge using male end of thermal
probe cable.
• Connect thermal probe to cable using female end of thermal probe
cable.
• If cable is being installed permanently, then secure cable following all
applicable electrical standards.
• Use only approved thermal probe P/N D-000403 that has been
calibrated with this device.
• Use only approved thermal probe cable P/N D-0000404.
• External thermal probe is calibrated with the base unit. If thermal probe
is changed, then use FieldLab Desktop to update the serial number
and calibration coefficients of the new thermal probe.
Connection of Antenna (W1 option)
• Thread approved antenna into gauge RF connection
• Align antenna vertically for best signal reception
• Do not obstruct line of sight between antenna and receiver with metal
or dense materials or a reduction or loss of signal may result
• Use only approved antenna P/N D-001576 with "W1" option
Wireless Radio (W1)
• Connect to PC using included dongle P/N DGAU-0050
• Select the same channel on the gauge and the Desktop software
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