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Pre-dive calibration of the cells can only check response to partial pressures up to 100% at atmospheric pressure, or 1 bar. As the set points are commonly in the range of 1.2 to 1.6 bar, [6] special hyperbaric calibration equipment would be required to reliably test the response at the set-points. This equipment is available, but is expensive ...
Speed sensors are machines used to detect the speed of an object, usually a transport vehicle. They include: Wheel speed sensors; Speedometers; Pitometer logs; Pitot tubes; Airspeed indicators; Piezo sensors (e.g. in a road surface) LIDAR; Ground speed radar; Doppler radar; ANPR (where vehicles are timed over a fixed distance)
Using the O2 sensor signal, the ECU can operate the engine with an air–fuel ratio very close to 14.7:1, which is the ideal operating mixture for a three way catalyst to be effective. [3] Robert Bosch GmbH introduced the first automotive lambda sensor in 1976, [ 2 ] and it was first used by Volvo and Saab in that year.
Each test measures the data rate for the download direction, i.e. from the server to the user computer, and the upload data rate, i.e. from the user's computer to the server. The tests are performed within the user's web browser or within mobile apps. As of 17 February 2024, over 52.3 billion Internet speed tests have been completed. [8]
Various views of a "MaxScan OE509" – a fairly typical onboard diagnostics (OBD) scanner, 2015. On-board diagnostics (OBD) is a term referring to a vehicle's self-diagnostic and reporting capability.
The O2 Wireless Box IV (available to new "O2 Premium" customers during 2010) is a rebadged Thomson SpeedTouch TG587nv2, which has additional support for 802.11n, dual antennas, and also has two USB ports for connection to an external USB hard disk for sharing of files direct to the wifi or Ethernet network, or printer sharing.