Buy KEITHLEY online at Newark element Buy your from an authorized KEITHLEY distributor. The Model Electrometer combines flexible interfacing capabilities with current sensitivity, charge measurement capabilities, resolution, and speed that are. Product Features: Programmable electrometer; Less than 1fA noise; >TW input impedance on voltage measurements; Charge measurements from 10fC to .
|Published (Last):||19 April 2006|
|PDF File Size:||11.85 Mb|
|ePub File Size:||9.45 Mb|
|Price:||Free* [*Free Regsitration Required]|
Removing cover which is same as ModelC is easy task, just few screws and we are in.
DMMs measure current using a shunt resistance that develops a voltage typically mV full-range in the input circuit. DMM Offset Currents Typically, offset currents in DMMs are tens or hundreds of picoamps, which severely limits keihley low current measuring capabilities compared to the with 3fA input bias current. When measuring dark currents from a device such as a photodiode, the ammeter reads the sum of two different currents.
The lowers this terminal voltage still further-to the level of the voltage noise-by canceling out the small offset voltage that remains. Performance test … Conclusion …. In a similar manner, offset currents can also be cancelled.
Providing the finest test equipment solutions since 1992
The keithly the flexibility and sensitivity needed for a wide array of experiments, providing better data far faster than older electrometer designs. Resistor network TF used to generate secondary voltages and currents. Built-in IEEE and RS interfaces make it possible to 6541 all instrument functions over the bus through a computer controller. Model Instruction Manual, no schematics, Rev. These instruments usually have special low-leakage shielded input connectors, often with triaxial design with PTFE insulators, Image 1: Was it worth doing?
In addition to use by researchers in areas such as physics, optics, and materials science, the ‘s affordable price makes it an attractive alternative to high end DMMs for low current measurement applications, such as testing resistance and leakage current in switches, relays, and other components. Total man-hours spent on this project around 1 hoursgive or take few.
Dark Current Measurements When measuring dark currents from a device such as a photodiode, the ammeter reads the sum of two different currents. Redistribution of files in binary form must reproduce the above copyright notice, this list of conditions, link to this page https: Model Image 9: Model Image Equipment used during restoration project: Model Image 8: Bulk capacitors are listed in table below: Electrometers reduce this terminal voltage by using the feedback ammeter configuration.
No surprise, as there are no fans in it.
The instrument’s interfaces also simplify integrating external hardware, such as sources, switching systems, or other instruments, into the test system. Model voltage reference. View Cart My Account Instrument have no missing parts and overall very clean. The kithley exceptional measurement performance comes at an affordable price. The ‘s feedback ammeter design minimizes voltage offsets in the input circuitry, which can affect current measurement accuracy.
Keithley Programmable Electrometer- at the Test Equipment Depot
Model Image 7: Redistribution and use of this article or any files referenced in it, in source and binary forms, with or without modification, are permitted provided that the following conditions are met:. In no event shall the author, xDevs. Model Power supply transformer is TR Rev. Power supply transformer is TR Rev. All information posted here is hosted just for education purposes and provided Keitley IS.
A similar circuit used also as a I-to-V converter, to allow electrometer to measure currents down with 10 A femtoamperes or 0. Redistribution of article must retain the above copyright notice, this keithlwy of conditions, link to this page https: If you willing to contribute or add your experience regarding any test instruments or provide any extra information, such as firmware dumps, internal photographs, you can do so following these simple instructions.
Disclaimer Redistribution and use of this article or any files referenced in it, in source and binary forms, with or without modification, are permitted provided kelthley the following conditions are met: This leakage current represents an error current. Data Sheet KB.
Once, electrometers were simply considered too slow to keep up with the high throughput that production test applications demand. Teardown Removing cover which is same as ModelC is easy task, just few screws and we are in.
Model Quick results guide, Rev.