77-IV
The 77-IV has the features needed to repair most electrical and electronic problems. A large display and backlight assists work in dim areas. Minimum/Maximum to record signal fluctuations. Ergonomic overmolded housing with integrated probe holders. Auto and manual ranging and it meets Measurement Category 1000

It measures:
Wide 1000 V measurement range
Average responding AC measurements
0.3% accuracy
10 Amps continuous (20A for 30 seconds)
Frequency and capacitance
Resistance and continuity

Measurement Category IV safety rating