KEITHLEY 155 CALIBRATION and KEITHLEY 155 REPAIR
The KEITHLEY 155 is currently in stock and available for purchase on our  Sales Page
It is also available for immediate rental.
A calibration by Custom-Cal is performed by engineers with extensive OEM experience. We have the expertise and the necessary standards to perform the KEITHLEY 155 Calibration, onsite calibration may be available. We specialize in quick turnaround times and we can handle expedited deliveries upon request.

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   KEITHLEY 155   Description / Specification:   Spec Sheet 
KEITHLEY 155 Null Detector-Microvoltmeter

The Keithley 155 Null Detector/ Microvoltmeter is a high-performance, low-cost instrument with better than 150nV resolution and full-scale ranges up to 1kV. Its electrical and physical ruggedness, broad range, and high common- and normal-mode rejection make it one of the most versatile voltmeters available for applications in standards labs, development labs, production testing, and basic research. RANGE: ±1µV full scale to ±1000V on zero center meter in 19 overlapping 1× and 3× ranges. Battery powered. ±2% of full scale. Common Mode Rejection is equivalent to 140 dB. Input resistance 100 Mohms, 3-1 kV range.



 

Standard Calibration $290.00 *
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*This is a Web introductory price for one calibration of the KEITHLEY 155. 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.

Crest Factor
Crest factor or peak-to-average ratio (PAR) is a measurement of a waveform, calculated from the peak amplitude of the waveform divided by the RMS value of the waveform

Linearity
Linearity is the relative difference between the displayed power ratio, Dx/D0, and the actual (true) power ratio Px/P0 caused by changing the displayed power level from the reference level, D0, to an arbitrary displayed level, Dx.

Phase Noise
Phase noise is the frequency domain representation of rapid, short-term, random fluctuations in the phase of a waveform, caused by time domain instabilities. Phase noise (L(f)) is typically expressed in units of dBc/Hz, representing the noise power relative to the carrier contained in a 1 Hz bandwidth centered at a certain offsets from the carrier.

Sensitivity
Sensitivity is the minimum magnitude of input signal required to produce a specified output signal having a specified signal-to-noise ratio, or other specified criteria.

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