Murata announced the compact DMR20-10-DCM “nanoMeter” self-powered auto-ranging DC voltmeter designed for mounting in an industry-standard “oiltight” 30 and 30.5 mm / 1.2 inch round panel cutout.
The circuit was designed for the purpose of creating a voltmeter with high impedance that would measure Direct Current voltages across any types of circuits. CA3130 – a BiMOS operational amplifier ...
Weston Weston Electrical Instrument Co. Object Name voltmeter Measurements case: 7 in x 8 1/2 in x 5 in; 17.78 cm x 21.59 cm x 12.7 cm meter: 3 1/2 in x 7 in x 6 in; 8.89 cm x 17.78 cm x 15.24 cm ...