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Model 9110T NOx Analyzer Glossary
Teledyne Analytical Instruments 378
Term Description/Definition
PSD
Prevention of Significant Deterioration
PTFE Poly-Tetra-Fluoro-Ethylene, a very inert polymer material used to handle gases
that may react on other surfaces; one of the polymers that Du Pont markets as
Teflon
®
PVC Poly Vinyl Chloride, a polymer used for downstream tubing
Rdg Reading
RS-232 specification and standard describing a serial communication method between
DTE (Data Terminal Equipment) and DCE (Data Circuit-terminating Equipment)
devices, using a maximum cable-length of 50 feet
RS-485 specification and standard describing a binary serial communication method
among multiple devices at a data rate faster than RS-232 with a much longer
distance between the host and the furthest device
SAROAD
Storage and Retrieval of Aerometric Data
SLAMS
State and Local Air Monitoring Network Plan
SLPM Standard Liters Per Minute of a gas at standard temperature and pressure
STP
Standard Temperature and Pressure
TCP/IP Transfer Control Protocol / Internet Protocol, the standard communications
protocol for Ethernet devices
TEC
Thermal Electric Cooler
TPC
Temperature/Pressure Compensation
USB Universal Serial Bus: a standard connection method to establish communication
between peripheral devices and a host controller, such as a mouse and/or
keyboard and a personal computer or laptop
VARS Variables, the variable settings of the instrument
V-F
Voltage-to-Frequency
Z/S
Zero / Span