DC Voltmeter

AP-242A

4½ digits.
8mm red LED modules.
Height: 24mm, Width: 48mm, Depth 73mm.
Power supply: 5VDC +/- 5%, 20VDC +/-20% (isolated).
Measuring range: 2V-200V.

AP-242A-XX-X specifications from Asahi Keiki.

AP-501A-XX

3½ digits.
14mm red LED modules.
Height: 48mm, Width: 96mm, Depth: 34,5mm.
Power supply: 5VDC +/- 5%, 120mA
Measuring range: 200mV-200V

AP-501A-XX specifications from Asahi Keiki.