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Teledyne API T703/T703U Calibrator Operation Manual A Primer on Electro-Static Discharge
229
Term Description/Definition
logic level signal coming from the instrument
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
07223C DCN6572