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Keithley 177: Difference between revisions
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|class=Multimeter | |class=Multimeter | ||
|series= | |series= | ||
|summary=4½-digit digital multimeter | |summary=4½-digit TRMS digital multimeter | ||
|image=Keithley 177 front.jpg | |image=Keithley 177 front.jpg | ||
|caption=Keithley 177 | |caption=Keithley 177 | ||
|introduced= | |introduced=1978 | ||
|discontinued=(?) | |discontinued=(?) | ||
|designers= | |designers= | ||
|manuals= | |manuals= | ||
* [[Media:Keithley 29683.pdf|Keithley 177 + 1788 Manual #29683]] (1978) | * [[Media:Keithley 29683.pdf|Keithley 177 + 1788 Manual #29683]] (1978) | ||
* [[Media:Keithley 177 Schematics.pdf|Keithley 177 schematics]] (clean) | |||
}} | }} | ||
The '''Keithley 177 Microvolt DMM''' is a 4½-digit digital multimeter marketed as a "Microvolt DMM" because it has 1 μV display resolution in the 20 mV range. | The '''Keithley 177 Microvolt DMM''' is a 4½-digit digital multimeter marketed as a "Microvolt DMM" because it has 1 μV display resolution in the 20 mV range. | ||
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* [https://samueldperry.com/2019/03/03/keithley-177-power-supply-replacement/ Power Supply Replacement for Keithley 177] (to replace failed transformer) / [https://www.tindie.com/products/sdp8483/power-supply-replacement-for-keithley-177/ PCB project @ Tindie] | * [https://samueldperry.com/2019/03/03/keithley-177-power-supply-replacement/ Power Supply Replacement for Keithley 177] (to replace failed transformer) / [https://www.tindie.com/products/sdp8483/power-supply-replacement-for-keithley-177/ PCB project @ Tindie] | ||
* See also [[Keithley 197]] | * See also [[Keithley 197]] | ||
==Pictures== | ==Pictures== | ||