DC voltmeter - Format 72 x 72 - Direct connection
DC voltmeter - Format 96 x 96 - Direct connection
AC voltmeter - format 96 x 96 - Direct connection
Frequency meter - Configuration as required
AC voltmeter - Format 96 x 96 - Direct connection
AC differential voltmeter - Format 96 x 96 - With additional casing
AC voltmeter - Format 96 x 96 - Configuration as required