The Instek GOS-622G is a 20MHz, two-channel analog oscilloscope with ALT triggering, hold off function, trigger level lock control, Z-axis input, TV synchronization capability, high-frequency rejection circuit, and channel 1 output for electronics applications such as product design, assembly lines, repair and servicing, and electrical engineering education, among others. This oscilloscope has a vertical sensitivity to 1mV per division for capturing low-level signals. An ALT triggering function displays the signal from both channels simultaneously. The unit has a level lock control for adjusting the trigger level to stabilize the display of waveforms, and a hold off function for stabilizing complex signals that cannot be adjusted solely with the level lock. The Z-axis input modulates the intensity of the waveform, the TV synchronization circuit allows triggering of TV-V and TV-H signals, the high-frequency rejection circuit removes interference from a signal to prevent false triggering, and the channel 1 output can apply a signal to an external device, such as a frequency counter (sold separately). Additional specifications include a rise time of 17.5ns and various triggering features. The oscilloscope has a 6" CRT (cathode ray tube) display with an internal 8 x 10 division grid (each division is 1 cm) for viewing waveforms. It has European Conformity (CE) marking. It comes with two 60MHz passive voltage probes, a power cord for 100/120/220/230VAC, 50/60Hz, and a user manual. SpecificationsDisplay6" CRTBandwidth20MHzChannelsTwoPower sourcePower cord for 100/120/220/230VAC, 50/60HzDimensions (H x W x D)150 x 310 x 455 mmWeightApproximately 8.2 kgH is height, the vertical distance from lowest to highest point; W is width, the horizontal distance from left to right; D is depth, the horizontal distance from front to back. Oscilloscopes are electrical testing devices used to verify the functionality of equipment that generates an electrical signal. Oscilloscopes measure the voltage of an electrical signal over time, and display the measurement as a waveform in a visual graph. The waveform shows the sweeps (or refresh) of voltage on a vertical (Y) axis, and the time on a horizontal (X) axis. Details of a waveform demonstrate the signal over time. Most oscilloscopes have two or four channels for inputting a signal. Some digital oscilloscopes offer more than four channels, allowing channels to be dedicated to specific signals and applications. Bandwidth is the maximum frequency of a signal that an oscilloscope can capture. A constant image will display if a signal is shown at a high frequency. Oscilloscopes may be analog, digital, or mixed signal. An analog oscilloscope directly displays an input signal as a continuous waveform, typically in a luminous phosphor on a cathode ray tube (CRT). A digital oscilloscope converts the input signal into a digital format and reassembles the waveform for display, typically on an LCD. A mixed signal oscilloscope (MSO) displays both analog and digital formats. Some oscilloscopes can display more than one channel and type of measurement simultaneously. Some oscilloscopes can capture waveform signals to memory, and recall them. They may provide real-time intensity grading, and may have the ability to adjust frequency of display. Oscilloscopes can be powered with batteries or electricity, or may have a built-in generator. They are commonly used for testing, measuring, and inspecting in science, engineering, telecommunications, automotive, and electronics applications.GW Instek manufactures test and measurement equipment such as oscilloscopes, spectrum analyzers, signal testers, and video surveillance systems. The company, founded in 1975 and headquartered in Taipei, Taiwan, meets International Organization for Standardization (ISO) standards 9002 and 14001.What's in the Box?Instek GOS-622G analog oscilloscope(2) 60MHz passive voltage probesPower cordUser manual
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