7-2 | 3050-SLR Moisture Analyzer
Data Valid Relay contact, which opens to indicate a veriication is in pro-
cess or an alarm condition. The data valid contact opens on all
alarms and stays closed during normal functions and readings.
Device A single 3050 Moisture Analyzer, or an addressable I/O device,
such as an Optomux module.
Display Mode One of ive different means of displaying 3050 results on-
screen.
EEPROM Electrical Erasable Programmable Read Only Memory
Four-Wire Mode RS-485 communication mode, in which four wires are used,
connected to the “Send Data” and “Receive Data” terminals.
Bi-directional communications may take place simultaneously
using four-wire mode.
Gas Saver A mode in which gas normally lowing in a bypass leg, inter-
nal to the Model 3050, is shut off. This reduces consumption
of expensive gases, however analyzer response time may be
somewhat degraded.
H
2
S Treated Sensor A moisture sensor that has been specially treated for use in
sample streams containing high levels of hydrogen sulide.
LED Light Emitting Diode
Lbs/mmscf Pounds per million standard cubic feet (101.3 Kpa, 15.6 C)
Loop Powered Refers to powering the 4-20 mA analog output from an external
power supply. The analog outputs on the 3050 can be powered
from either the loop or the analyzer.
mA Milliamp
mg/Nm
3
Milligrams per normal cubic meter
Meter Display A graphical representation of a vertical panel meter, on which
3050 analyzer results are displayed.
Moisture Generator A device capable of generating a known precise moisture level,
which is installed in a Model 3050 and used for veriication of
the analyzer’s proper operation.
PC Personal computer
Port The speciic COM (serial) port of a host PC that will be used for
RS-232 serial communication with a Model 3050.
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