Equipment information:

Keithley 515 Other
Model: 515
Date: 1967
Category: Measurement instruments
Group: Other
Description: Megohm Bridge
                                    The Model 515 Megohm Bridge is a Wheatstone Bridge for measuring
resistors from 10⁵ ohms to 10⁻¹⁵ ohms with accuracies from 0.05% to
1.0%. It is complete, with an electrometer null detector, shielded
enclosure for the unknown, and a bridge voltage supply.
A unique system of switches is provided to allow corrections to be
made for the slow changes in resistance of the standard high megohm
resistors. This enables all values of resistance to be read with rated
accuracy, directly from the bridge dials.
Bridge voltages in one volt steps up to 10 volts are available from
the internal supply. With external supplies, voltages as high as
1,000 volts can be used.
A connector is provided so that unknown resistors can be measured
outside the instrument as well as in the built-in shielded enclosure.

These manuals are available for the above equipment:

Keithley -- 515 -- Service and User Manual
File name: Keithley-3956-Manual-Page-1-Picture
Manual Type: Service and User Manual
Pages: 46
Size: 2.03 Mbytes (2130136 Bytes)
Language: english
Date: 1967
Quality: Scanned document, reading partly badly, partly not readable.
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MD5: 356195009ba7e0413669651cc6c9fbbb
ed2kID: 787f54094f5116e60fa49ac8de9f98fd
Downloads: 88 since 13 January 2013
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