Hour meter - format 48 x 48 - AC or DC auxiliary power supply
Hour meter - format 55 x 55 - AC or DC auxiliary power supply
Hour meter - format 72 x 72 - AC or DC auxiliary power supply
Phasemeter - Configuration as required
Frequency meter - Configuration as required
Double vibrating-reed frequency meter - Format 96 x 96
AC differential voltmeter - Format 96 x 96 - With additional casing
AC differential voltmeter - Format 96 x 96 - With additional unit