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Installing the Analyzer
5.
Turn the nut on the tubing clockwise until it is finger-tight. Then use a 7/16-in. open-
ended wrench (or an adjustable wrench) to tighten the nut an additional 1/4 turn.
6.
Open the shut-off valves for the gas bottle and the regulator.
7.
Connect the AC/DC adapter cord to the connector provided on the rear panel of the
instrument, then plug the pycnometer power cord into the adapter.
8.
If the RS232 port is to be used with a serial line for data transmission or for attaching an
analytical balance:
a. Be sure the pin assignment of the RS232 port matches the pin assignment of the
output device for serial line transmission, or for the analytical balance. Refer to
232 PIN
b. Check that the serial port settings (baud rate, stop bits, etc.) of the analyzer coincide
with those of the attaching device. Refer to Communications, page
information on viewing and editing current settings.
c. If using for serial line transmission: connect one end of the RS-232 cable to the
connector labeled RS232 on the back of the pycnometer, and the other end to the
output device.
If attaching an analytical balance: attach the cord of the analytical balance to the
RS232 port.
2-6
USB connectors
RS232 port
ASSIGNMENT, page
H-1
AC/DC adapter connector
for pin assignment of the RS232 port.
AccuPyc II 1340
RS-
3-18
for
June 2013
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