maintenance-manual · English
Replaceable Parts List: Digital Voltmeter Model 26.268 and Display Unit Model 554.048 (Appendix 1)
Appendix 1 of the EAI 580/680 TDVM documentation, providing a complete replaceable parts list for the Digital Voltmeter Model 26.268 and Display Unit Model 554.048. Fourteen sub-assemblies are itemized with EAI part numbers and availability category (A: locally available; B: order from EAI), covering the main frame, dual DC amplifier, reference amplifier, miscellaneous and conversion delay networks, summing resistor network, comparator and diode gate, BCD decimal-decoding matrix/counter, power supply regulator, programmer, and readout display module. Dated 8/26/68 and issued by EAI Instrument Division, Long Branch, New Jersey.
replaceable parts listdigital voltmeterEAI 580sub-assembly components