Keysight (Agilent) 34420A REPAIR and Keysight (Agilent) 34420A CALIBRATION

Custom-Cal has a high success rate in the repair of the Keysight (Agilent) 34420A. A calibration by Custom-Cal is performed by engineers with extensive OEM experience. We have the expertise and the necessary standards to perform the Keysight (Agilent) 34420A Calibration, onsite calibration may be available. We specialize in quick turnaround times and we can handle expedited deliveries upon request.

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   Keysight (Agilent) 34420A   Description / Specification:    
Keysight (Agilent) 34420A Nanovolt/Micro-ohm Meter

The HP 34420A Nanovolt/Micro-ohm Meter has two input channels that allows voltage measurements to be made independently, or they can be mathematically combined to make difference and ratio measurements. Ohms measurements combine the low-noise input circuit s with a highly stable current source to provide outstanding low-resistance measurements. Offset compensation is employed to eliminate the effects of stray thermal EMFs that would otherwise result in measurement error. Low power ohms and a new low-voltage resistance measurement capability allow repeatable measurements to be made where a low voltage (20 mV) is required to avoid oxidation punch-thru. A wide range of temperature measurement capabilities are also built in, providing support for thermocouple, RTD, and thermistor temperature sensors. A shielded copper pin screw-down connector, a 7 1/2-digit A/D converter, 2 ppm basic dc accuracy, and a new measurement algorithm that gives 100 dB normal mode rejection without front-end filtering result in measurement capability you can depend on to make accurate and repeatable low-level measurements. Specifications. DC Voltage - 7 1/2 digits resolution all ranges, Ranges: 1 mV to 100V. Resistance - 7 1/2 digits resolution all ranges, Ranges: 1 ohm to 1 M-ohm. Low Power Resistance Ranges: 1 ohm to 100 k-ohm. Voltage Limited Resistance (Voltage limit selectable: 20 mV, 100 mV, or 500 mV): 10 ohm and 100 ohm. Test Current/Maximum Lead Resistance Ranges: 1 ohm to 1 M-ohm. Resistance: 2 or 4-wire ohm; offset compensation used on all ranges except 100 k-ohm and 1 M-ohm range; can be turned off. Temperature Thermocouple: Type B, E, J, K, N, R, S, T; Thermistor: 5 k-ohm. Interface: IEEE-488 and RS-232 standard.


Standard Calibration $120.00 *
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*This is a Web introductory price for one calibration of the Keysight (Agilent) 34420A. Price does not in most cases include measurement performance data. Pricing does include NIST traceable calibration and issue of a calibration certificate and calibration label. Pricing may vary slightly due to volume and location of laboratory supporting calibration. Volume pricing may apply. On-site fees may apply depending on logistics, location and volume of work to be completed during the visit.

Related Bench Equipment Terms and Definitions. For a complete list go to our  Terms and Definitions Page.

Channel Bandwidth
Channel Bandwidth is the bandwidth over which power is measured. This is usually the bandwidth in which almost all of the power of a signal is contained.

Jitter in technical terms is the deviation in or displacement of some aspect of the pulses in a high-frequency digital signal. Jitter is the time variation of a periodic signal in electronics and telecommunications, often in relation to a reference clock source. Jitter may be observed in characteristics such as the frequency of successive pulses, the signal amplitude, or phase of periodic signals. Jitter is a significant, and usually undesired, factor in the design of almost all communications links (e.g., USB, PCI-e, SATA, OC-48). In clock recovery applications it is called timing jitter.

Overshoot is the distortion that follows a major transition; the difference between the peak power point and the pulse-top amplitude computed as a percentage of the pulse-top amplitude.

Rise Time
Rise time refers to the time required for a signal to change from a specified low value to a specified high value, usually 10 and 90 percent of pulse-top amplitude (vertical display is linear power).

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