Teledyne API T703/T703U Calibrator Operation Manual Glossary
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Programmable Logic Controller, a device that is used to control instruments based on a
logic level signal coming from the instrument
Programmable Logic Device
Photo Multiplier Tube, a vacuum tube of electrodes that multiply electrons collected and
charged to create a detectable current signal
Prevention of Significant Deterioration
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
®
Poly Vinyl Chloride, a polymer used for downstream tubing
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
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
Storage and Retrieval of Aerometric Data
State and Local Air Monitoring Network Plan
Standard Liters Per Minute of a gas at standard temperature and pressure
Standard Temperature and Pressure
Transfer Control Protocol / Internet Protocol, the standard communications protocol for
Ethernet devices
Temperature/Pressure Compensation
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
Variables, the variable settings of the instrument
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