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Follow on Google News | Keithley Introduces Dual-Channel Picoammeter/Voltage Source with Ultra-Low Current ResolutionKeithley Instruments, Inc. expands its low level measurement leadership by introducing a dual-channel picoammeter with dual 30V independent, non-floating bias sources and 1fA measurement resolution.
By: Keithley with Ultra-Low Current Resolution Twice the Density of Competing Bench Instruments Provides Lower Cost of Ownership Cleveland, Ohio – October 15, 2012 – Keithley Instruments, Inc., a world leader in advanced electrical test instruments and systems, expands its low level measurement leadership by introducing a dual-channel picoammeter with dual 30V independent, non-floating bias sources and 1fA measurement resolution. The Model 6482 Picoammeter, the latest addition to Keithley’s popular line of sensitive instrumentation, provides two independent picoammeter/ Wide Dynamic Measurement Range The Model 6482 offers low current measurement ranges from 2nA to 20mA in decade steps. This wide measurement range ensures high sensitivity and resolution for the growing number of low current applications that require making measurements at multiple points simultaneously. High Accuracy Dark Current Measurements The Model 6482’s 2nA current measurement range is ideal for measuring dark currents and other low currents with 1fA resolution. Once the level of dark current has been determined, the instrument’s REL function automatically subtracts the dark current as an offset so the measured values are more accurate for optical power measurements. For measuring the dark currents of photodiodes or other light-sensitive components, the Model 6482’s front panel display can be switched off to avoid introducing light that would interfere with getting accurate results. Ratio and Delta Measurements The Model 6482 can provide ratio or delta measurements between the two completely isolated channels. These functions can be accessed via the front panel or the GPIB interface. For test setups with multiple detectors, this capability enables targeted control capabilities. Interface Options To speed and simplify system integration and control when building multi-instrument test systems that require tightly coupled sourcing and measurement, the Model 6482 provides the Trigger Link feature, as well as standard GPIB and RS-232 interfaces. The Trigger Link feature combines six independent software selectable trigger lines on a single connector for simple, direct control over all instruments in a system. This feature is especially useful for reducing total test time if the test involves a sweep. To make it easier to transfer measurement results from the Model 6482 to other instruments, a scaled 0-10V analog output simplifies transmitting data to DMMs, data acquisition boards, oscilloscopes, strip chart recorders, and other devices. Programmable Limits and Filters The Model 6482’s current and voltage limits can be programmed to ensure device protection during critical points such as start of test, etc. It also provides Average and Median filters, which can be applied to the data stored in each channel’s separate 3000-point buffer memory. Adjustable Noise Protection Options For applications that demand the highest measurement sensitivity, the Model 6482 has rear panel triax inputs for making triaxial cable connections to minimize electrical noise. For less stringent applications, the included triax-to-BNC adapters allow making connections with less costly BNC cables. Wide Range of Applications The Model 6482 is suitable for a wide range of applications related to characterizing electronic materials and devices designed for low current operation in laboratory, R&D, and manufacturing settings. Applications include: • Manufacturing component test • Dual diode testing • Semiconductor component testing • Multi- • Dark current measurements • Ion beam monitoring • Electron microscopy Pricing and Availability The U.S. list price of the Model 6482 Dual-Channel Picoammeter/ For More Information Additional information on the Model 6482 is available on Keithley’s website at www.keithley.com/ Telephone: 440-248-0400 FAX: 440-248- E-mail: Internet: Address: 28775 Aurora Road Cleveland, OH 44139-1891 About Keithley Instruments, Inc. With more than 60 years of measurement expertise, Keithley Instruments has become a world leader in advanced electrical test instruments and systems. Our customers are scientists and engineers in the worldwide electronics industry involved with advanced materials research, semiconductor device development and fabrication, and the production of end products such as portable wireless devices. The value we provide them is a combination of products for their critical measurement needs and a rich understanding of their applications to improve the quality of their products and reduce their cost of test. In 2010, Keithley Instruments joined Tektronix as part of its test and measurement portfolio. Products and company names listed are trademarks or trade names of their respective companies. End
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