Hour meter - format 72 x 72 - AC or DC auxiliary power supply
Frequency meter - Format 72 x 72
Frequency meter - Format 96 x 96
Frequency meter + Hour meter - Format 96 x 96
Frequency meter - Configuration as required
Vibrating-reed frequency meter - Format 72 x 72
Frequency meter - Format 72 x 72
Vibrating-reed frequency meter - Format 96 x 96
Double vibrating-reed frequency meter - Format 96 x 96