HT Instruments HT4011 Digital Clamp Meter CAT III 600V, 4000 Counts, AC/DC Voltage, Resistance, Capacitance, Frequency, Diode & Continuity Test, Jaw Opening 30mm 1009820

The HT4011 digital clamp meter delivers CAT III 600V safety and a 4000-count display, making it a reliable tool for electrical measurements in industrial and residential settings. Its 30 mm jaw opening accommodates conductors up to 30 mm in diameter, allowing current measurements without breaking the circuit.

Overview

Designed for electricians and technicians, the HT4011 measures AC current up to 400 A, AC/DC voltage up to 600 V, resistance, capacitance, frequency, and performs diode and continuity tests with an audible buzzer. Auto-ranging simplifies operation, while data hold and auto power off enhance convenience. The backlit LCD ensures readability in low-light conditions.

What stands out

• CAT III 600V safety rating for safe use on distribution panels and fixed installations.
• 4000-count display with backlight for clear readings.
• 30 mm jaw opening for clamping around conductors without disconnection.
• Measures AC current, AC/DC voltage, resistance, capacitance, frequency, diode, and continuity.
• Auto power off preserves battery life (2x AAA batteries).

Technical details

• AC Current: 40 A, 400 A ranges.
• AC Voltage: 4 V, 40 V, 400 V, 600 V ranges.
• DC Voltage: 400 mV, 4 V, 40 V, 400 V, 600 V ranges.
• Resistance: 400 Ω to 40 MΩ ranges.
• Capacitance: 40 nF to 4 mF ranges.
• Frequency: 40 Hz to 10 MHz ranges.
• AC measurement type: average sensing.
• Auto ranging: yes.
• Data hold: yes.
• Continuity test: yes, with buzzer.
• Diode test: yes.
• Display: LCD with backlight.
• Power supply: 2x 1.5V AAA batteries.

Our verdict

The HT4011 offers a comprehensive set of measurement functions in a compact, safe package. Its CAT III 600V rating and 30 mm jaw make it suitable for a wide range of electrical tasks, from troubleshooting to routine maintenance.