Custom-Cal has a high success rate in the repair of the KEITHLEY 197. 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 197 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 197   Description / Specification:    
KEITHLEY 197 Autoranging µV Digital Multimeter

The Keithley 197 combines 5 1/2 -digit resolution (on a 220,000-count display) with 1 uV, 1 nA, 1 m-ohm sensitivity. Basic dcV accuracy is 0.011 %. The 197 also has extended performance features. Measure voltage over 9 decades from 1 uV to 1000V. Input resistance on the two lowest voltage ranges exceeds 1 G-ohm. TRMS ac measurements can be made to 100kHz. Make 2- or 4-terminal ohms measurements over 11 decades from 1 m-ohm to 220 M-ohm. Six current ranges measure from 1 nA to 10 A. The microprocessor-based 197 is loaded with smart features . Display annunciators indicate the measurement mode and units. Autoranging on V, ohms, and dB automatically displays maximum resolution. Audio and communication circuit analysis is easy with direct-reading dB measurements referenced to 600 ohm. Resolution is 0.01 dB above 1 mV. Pushbutton relative reference (REL) nulls out or zeros on-range readings. The DATA LOGGER stores up to 100 readings at 6 automatic rates from 3 per second to 1 per hour, or manually at the touch of a button. Specifications. DC Volts (range \ resolution): 200 mV \ 1 uV, 2 V \ 10 uV, 20 V \ 100 uV, 200 V \ 1 mV, 1000 V \ 10 mV. TRMS AC Volts Ranges (20 Hz to 100 kHz): 200 mV, 2V-200V, 750 V. DC Amps (range \ resolution): 200 uA \ 1 nV, 2 mA \ 10 nA, 20 mA \ 100 nA, 200 mA \ 1 uA, 2000 mA \ 10 uA, 10A, 100 uA. TRMS AC Amps Ranges (20 Hz to 30 kHz): 200 uA - 20 mA, 200 mA, 2000 mA, 10 A. Ohms (range \ resolution): 200 ohm \ 1 m-ohm, 2 k-ohm \ 10 m-ohm, 20 k-ohm \ 100 m-ohm, 200 k-ohm \ 1 ohm, 2 M-ohm \ 10 ohm, 20 M-ohm \ 100 ohm, 200 M-ohm \ 10 k-ohm. Display: ±220,000 count LCD, 0.45 in. height; polarity, function, range, and status indication.


Standard Calibration $80.00 *
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*This is a Web introductory price for one calibration of the KEITHLEY 197. 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.

Available Gain
Available Gain is the ratio, at a specific frequency, of power available from the output to the power in from the source.

Decibel (dB)
A unit of measurement of power which indicates relative power. A -10 dB means a reduction in power by 10 times, -20 dB means another 10 times or 100 times overall, -30 means another 10 times or 1000 times overall and so on.

Mismatch Uncertainty
Mismatch Uncertainty is caused by re-reflections between one device (the source) and the device that follows it (the load).

Pulse Power
Pulse Power, the energy transfer rate is averaged over the pulse width. Pulse width is considered to be the time between the 50 percent risetime/falltime amplitude points. Pulse power averages out any aberrations in the pulse envelope such as overshoot or ringing.

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