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The level measurement can be either continuous or point values. Continuous level sensors measure level within a specified range and determine the exact amount of substance in a certain place, while point-level sensors only indicate whether the substance is above or below the sensing point.
The DP-cell will indicate the relative difference between the pressure of the vessel (container) and the atmospheric pressure. This signal is often wired to an indicator that reads out locally, or remotely in a control room, and/or as a control (or feedback) signal to a valve, pump, or other control element to maintain a set pressure, or limit ...
A Precision Measurement Equipment Laboratory (PMEL) is a United States Air Force (USAF) facility in which the calibration and repair of test equipment takes place. This practice is also known as metrology: the science of measurement. Metrology is defined as the science of weights & measures, while a PMEL is the place where technicians perform ...
This is called a limited calibration. But if the final measurement requires 10% accuracy, then the 3% gauge never can be better than 3.3:1. Then perhaps adjusting the calibration tolerance for the gauge would be a better solution. If the calibration is performed at 100 units, the 1% standard would actually be anywhere between 99 and 101 units.
Magnetic level gauges may also be designed to accommodate severe environmental conditions up to 210 bars at 370 °C. Unlike a sight glass , magnetic level gauges do not need to be transparent and can be made out of metal, which increases the durability and operating temperature range of the device.
The Marine Technology Society Dynamic Positioning (DP) Committee's mission is to facilitate incident free DP operations through sharing of knowledge. This committee of dedicated volunteers delivers value to the DP community of vessel owners, operators, Marine Class Societies, engineers and regulators through an annual DP Conference, topical ...
A flight deck manual, usually part of a Quick Reference Handbook: CLR Clear Seen on GFA and is used for sky coverage CMC central maintenance computer CMM component maintenance manual CMO Certificate Management Office: FAA CMV converted meteorological visibility: CMPA complex motor-powered aircraft CMU Communications Management Unit CNS
Hydroacoustic Position Reference is a system to measure the relative position between a transmitter and a receiver under water. It is sometimes used for vessels with dynamic positioning to either measure the relative position between a fixed underwater transmitter or to a mobile under water vehicle (for example ROV). [1]