Mestek True RMS Multimeter NCV Auto Non Contact Tester

Meet the Mestek DM100C NCV True RMS Multimeter — a compact, auto-ranging digital tester with built-in non-contact voltage detection (NCV). Designed for electricians, DIYers, and serious hobbyists, this tool delivers accurate AC/DC measurements, live-line detection, and versatile testing capabilities in one portable unit. True RMS at 1 kHz ensures dependable readings on non-sinusoidal waveforms, while NCV lets you sense voltage from a distance, helping you identify live lines safely. With a 15-minute auto-off to conserve power and a bright digital display, the DM100C keeps diagnostics quick and reliable in any workspace. It also features data retention, a built-in flashlight, and a buzzer alarm for wrong plug insertion, making everyday electrical troubleshooting safer and faster.

Benefits & Tips

• Safe live-line detection: Use NCV to sense voltage without direct contact, reducing shock risk when locating circuits.
• Accurate diagnostics: True RMS measurement provides reliable readings on complex electrical waveforms often seen in modern equipment.
• Versatile workspace tool: Auto range, data retention, a bright flashlight, and audible alerts help you diagnose quickly—even in dim environments.
• Check outlets, verify circuits before wiring, test battery packs, and troubleshoot intermittently streaming signals with confidence.

Product specifications

• Model: DM100C
• Display: Digital
• True RMS: Yes (1 kHz)
• NCV (Non-Contact Voltage Detection): Yes
• AC Current ranges: 99.99 mA / 600 mA / 10.00 A
• AC Voltage ranges: 999.9 mV / 9.999 V / 99.99 V / 750 V
• Battery: Not included
• Capacitance range: 9.999 nF, 99.99 nF, 999.9 nF, 9.999 μF, 99.99 μF, 9.999 mF, 99.99 mF
• Resistance ranges: 999.9 Ω / 9.999 kΩ / 99.99 kΩ / 999.9 kΩ / 9.999 MΩ / 99.99 MΩ
• Inductance range: as described
• Operating mode: Auto Range
• Operating temperature: 0–40°C
• Ambient temperature range: 0–60°C
• Dimensions: 185 × 80 × 40 mm
• Display type: Digital
• Screen features: Reverse AV screen
• Data retention: Yes
• Flashlight: Yes
• Fuse alarm: 600 mA / 10 A
• High-speed sampling: 10 readings per second
• Input resistance: 10 MΩ
• Overload protection: up to 250 V
• Under voltage prompt: < 2.4 V
• Wrong insertion alarm: Yes (buzzer and LUSE warning)
• Live line identification: Yes
• Certification: CE
• Origin: Mainland China

Package includes:

• 1 x Mestek DM100C NCV Multimeter

Warnings & Reminders

• Auto shut-down occurs after 15 minutes of inactivity to conserve battery life.
• Overload protection is up to 250 V; avoid testing beyond rated limits for safety.
• Wrong plug insertion triggers an alarm and LUSE warning to help prevent incorrect measurements.
• Battery is not included; install the appropriate power source when replacing.
• Operating temperature is 0–40°C for accurate readings; use in the specified environment.

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