FNIRSI MC-40 Clamp Meter Digital Multimeter

The FNIRSI® MC-40 is a professional-grade clamp meter engineered for precision, versatility, and reliability. Designed to handle a wide range of electrical measurement tasks, it supports AC current measurements up to 600A, making it ideal for demanding applications.

Equipped with True RMS technology and intelligent auto-ranging, the MC-40 ensures consistently accurate readings, whether you're working on residential, commercial, or industrial systems. Its large, high-contrast display with backlight ensures clear visibility in any lighting condition. A built-in data hold function allows for easy reference of readings during analysis.

The MC-40 also includes several enhanced features such as non-contact voltage (NCV) detection, diode testing, resistance measurement, flashlight, and auto power-off for improved usability and energy conservation. Its rugged, ergonomic design and 26mm wide jaw provide excellent grip and accommodate thick cables effortlessly.

Key Features:

Automatic Range Selection.
Automatically adjusts to the correct measurement range for ease and efficiency.

600A High Current Measurement.
Measures AC currents up to 600A—suitable for high-load systems.

True RMS Technology.
Ensures precise readings on both linear and non-linear loads.

High-Quality Chipset.
Advanced chip with a 3 readings/second sampling rate for fast, accurate measurements.

Comprehensive Measurement Functions.
Supports AC voltage/current, resistance, diode test, and NCV detection.

6000 Count Display.
High-resolution digital display with 6000 counts for fine accuracy.

Intelligent Anti-Burnout Protection.
Integrated overload protection system ensures safe operation.

Large 26mm Jaw Opening.
Easily clamps over various cable sizes for more flexible usage.

Non-Contact Voltage Detection (NCV)
Visual and audio alerts when voltage is detected for added safety:
• Slow beep (2–5 cm from source).
• Flashing light (0–1 cm proximity).

Automatic Power-Off.
Powers down after 25 minutes of inactivity to save battery life.

Built-In Flashlight & Backlit Display.
Ideal for low-light working conditions.

Data Hold Function.
Freezes the current reading on-screen for convenient reference.

Specifications:

Brand FNIRSI.
Model MC-40.
AC Voltage Range 4V / 40V / 600V.
DC Voltage Range 4V / 40V / 600V.
AC Current Range 4A / 40A / 600A.
Resistance Range 400Ω / 4kΩ / 40kΩ / 400kΩ / 4MΩ / 40MΩ.
Diode Test Supported.
Continuity Test (On/Off) Supported.
Auto Power-Off Yes (after 25 minutes).
NCV Detection Supported.
True RMS Supported.
Anti-Burn Protection Supported.
Flashlight Supported.
Screen Backlight Supported.
Data Hold Supported.
Sampling Rate 3 times per second.
Battery 2× AAA (1.5V) batteries (not included).
Dimensions 185 × 71 × 35 mm.
Jaw Opening Maximum 26 mm.
Operating Temperature 5°C to 35°C.
Storage Temperature -10°C to 50°C.
Display Type Digital.