KEITHLEY 197 REPAIR and KEITHLEY 197 CALIBRATION
 
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 $95.00 *
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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.

dBc
dBc (decibels relative to the carrier) is the power ratio of a signal to a carrier signal, expressed in decibels. If the dBc figure is positive, then the relative signal strength is greater than the carrier signal strength. If the dBc figure is negative, then the relative signal strength is less than carrier signal strength.

Load Regulation
Load regulation is the capability to maintain a constant voltage (or current) level on the output channel of a power supply despite changes in the supply's load (such as a change in resistance value connected across the supply output).

Power Linearity
When changing the power level and measuring the differences (in dB) between actual and displayed power levels, the power linearity is ± half the span (in dB) between the maximum and the minimum value of all differences.

Settling Time
Settling time of an output device is the time elapsed from the application of an ideal instantaneous step input to the time at which the amplifier output has entered and remained within a specified error band, usually symmetrical about the final value.

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