MODEL 660A GUARDED DC DIFFERENTIAL VOLTMETER INSTRUCTION MANUAL
■The Keithley Model 660A Guarded dc Differential Voltmeter is a convenient, self- contained potentiometer. It measures from 100 millivolts to 500 volts with 0.02% limit of error, and below 100 millivolts within 20 microvolts. Since the limit of error includes all stability considerations, the unit need not be periodically calibrated or manually restandardized for a full year. The 500-volt reference supply permits infinite impedance at null for measurements from 0 to 500 volts.
■Features for convenient use include: five in-line readout dials with automatically lighted decimal points; 10 to 25-millivolt recorder output; input polarity switch; floating operation up to 500 volts off chassis ground; line frequency rejection greater than 45 db. Also, full guarding minimizes leakage problems.
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MODEL 660A 、 660A 、 Model 6601A 、 6601A 、 Model 4000 、 4000 |
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GUARDED DC DIFFERENTIAL VOLTMETER 、 High Voltage Divider 、 Rack Mounting Kit |
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User's Guide |
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Please see the document for details |
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English Chinese Chinese and English Japanese |
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1065 |
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4.3 MB |
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