VOLTCRAFT VC791 True RMS Digital Clamp Meter CAT III 1500 V / CAT IV 600 V, 6000 Counts, AC/DC 1000 A VC-15078320

Measure up to 1000 A AC/DC with the VOLTCRAFT VC791, a true RMS clamp meter rated for CAT III 1500 V and CAT IV 600 V environments. The 6000-count backlit LCD delivers precise readings across current, voltage, resistance, capacitance, frequency, and temperature, making it a versatile tool for demanding electrical diagnostics.

Overview

The VC791 combines a rugged 40 mm jaw with advanced measurement functions including inrush current, low-impedance (Low-Z) mode, and non-contact voltage detection. Auto-ranging simplifies operation, while data hold, min/max, and peak hold capture transient events. Powered by three AAA batteries, it is ready for fieldwork in industrial, commercial, and residential settings.

What stands out

• True RMS sensing for accurate readings on non-linear loads
• Wide AC/DC current range from 0.1 A to 1000 A
• High voltage capability: DC up to 1500 V, AC up to 1000 V
• Temperature measurement from -40 °C to +1000 °C
• NCV detection and continuity/diode test functions

Technical details

• Display: 6000 counts, LCD with backlight
• Safety rating: CAT III 1500 V, CAT IV 600 V
• Jaw opening: 40 mm
• Resistance: 0.1 Ω to 60 MΩ
• Capacitance: 0.001 nF to 60 mF
• Frequency: 0.01 Hz to 10 MHz
• Power supply: 3x AAA batteries

Our verdict

The VOLTCRAFT VC791 is a professional-grade clamp meter that excels in high-energy environments, offering a rare combination of safety, accuracy, and comprehensive measurement functions.