Teledyne T101, Operation Manual, Page: 294 / 375

Glossary Model T101 Instruction Manual
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Term Description/Definition
PFA Per-Fluoro-Alkoxy, an inert polymer; one of the polymers that
Du Pont markets as Teflon
®
PLC Programmable Logic Controller, a device that is used to control
instruments based on a logic level signal coming from the
analyzer
PLD Programmable Logic Device
PLL Phase Lock Loop
PMT Photo Multiplier Tube, a vacuum tube of electrodes that
multiply electrons collected and charged to create a detectable
current signal
P/N (or PN) Part Number
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