The FNIRSI MC-40 is a high-precision digital clamp meter built for accuracy, durability, and versatility. With a high current capacity of up to 600A, True RMS technology, and intelligent auto-ranging, it delivers precise readings across a variety of applications. The large, backlit display ensures clear visibility in any environment, while the data hold function allows users to freeze measurements for easy analysis.
Equipped with a wide range of professional features, the MC-40 supports non-contact voltage detection (NCV), diode testing, resistance measurement, and continuity checks. It also includes an automatic shutdown to conserve battery life. Designed with a durable, ergonomic body and a 26mm jaw opening, this tool is ideal for both industrial diagnostics and everyday electrical maintenance, making it a reliable choice for professionals and hobbyists alike.
Note: Batteries are not included with the device.
Key Features
- Automatic Range Selection: Eliminates manual range adjustments by automatically identifying the correct measurement range, ensuring efficiency and ease of use.
- 600A High Current Measurement: Measures current up to 600A, suitable for heavy-duty electrical systems and industrial applications.
- High-Quality Chip – Enhanced Accuracy: Incorporates an advanced chip with a high sampling rate (3 times per second) for fast, precise measurements.
- Versatile Measurement Capabilities: Supports AC voltage, AC current, resistance, NCV voltage detection, diode testing, and continuity checks.
- 6000 Counts Display: Provides high-resolution measurement output, ensuring accuracy for detailed diagnostic work.
- Intelligent Anti-Burnout Protection: Built-in overload protection enhances device safety and longevity.
- 26mm Large Jaw Design: Accommodates a variety of cable sizes, simplifying current measurements in complex setups.
- Non-Contact Voltage Detection (NCV): Ensures safe voltage detection with audible and visual alerts for user safety.
- Alarm Sound: Emitted a slow beep at a distance of 2-5 cm.
- Warning Light: Flashes rapidly at 0-1 cm proximity.
- Automatic Shutdown: Device powers off after 25 minutes of inactivity to conserve battery life.
- Built-In Flashlight & Backlight Display: Facilitates measurements in dim or dark environments.
- Data Hold Function: Retains the last reading for convenient reference.
Technical Specifications
Feature |
Specification |
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 Testing |
Supported |
Continuity Test |
Supported |
Auto Shutdown |
After 25 minutes of inactivity |
NCV Measurement |
Supported |
True RMS Measurement |
Supported |
Intelligent Anti-Burning |
Supported |
Flashlight |
Supported |
Screen Backlight |
Supported |
Data Hold |
Supported |
Battery Type |
2 x AAA (1.5V) batteries (Not included) |
Measuring Rate |
3 times/second |
Device Dimensions |
185 x 71 x 35 mm |
Maximum Jaw Opening |
26 mm |
Operating Temperature |
5℃ ~ 35℃ |
Storage Temperature |
-10℃ ~ 50℃ |
Display Type |
Digital Display |
Product Parameters
DC Voltage
Range |
Resolution |
Accuracy |
400mV |
0.1mV |
± (0.5% + 3cts) |
4V |
0.001V |
± (0.8% + 2cts) |
40V |
0.01V |
600V |
1V |
± (1.0% + 2cts) |
- Input Resistance: 10MΩ
- Max Input Voltage: 600V DC or 600V rms AC
AC Voltage
Range |
Resolution |
Accuracy |
4V |
0.001V |
± (1.0% + 10cts) |
40V |
0.01V |
600V |
1V |
± (1.2% + 10cts) |
- Input Resistance: 10MΩ
- Frequency Range: 40Hz ~ 400Hz
- Max Input Voltage: 600V DC or 600V rms AC
AC Current
Range |
Resolution |
Accuracy |
4A |
0.001A |
± (2.5% + 10cts) |
40A |
0.01A |
600A |
0.1A |
- Frequency Range: 50Hz ~ 60Hz
- Max Input Current: 120% of full scale, less than 60s
Resistance
Range |
Resolution |
Accuracy |
400Ω |
0.1Ω |
± (1.2% + 2cts) |
4kΩ |
0.001kΩ |
40kΩ |
0.01kΩ |
400kΩ |
0.1kΩ |
4MΩ |
0.001MΩ |
40MΩ |
0.01MΩ |
± (2.0% + 5cts) |
- Overload Protection: 600V DC or 600V rms AC
Diode Test
Resolution |
Accuracy |
1mV |
Forward voltage drop (Open circuit ~2.3V) |
- Overload Protection: 600V DC or 600V rms AC
Continuity
Resolution |
Accuracy |
0.1Ω |
Beeper sounds when resistance < 50Ω (Open circuit ~2.1V) |
- Overload Protection: 600V DC or 600V rms AC
Application
- Electrical maintenance and diagnostics
- Industrial and commercial electrical systems
- Home appliance servicing
- Automotive electrical troubleshooting
- Educational and laboratory use
Document
Packaging Details
- 1 x MC-40 Clamp Meter
- 1 x Multimeter Probes
- 1 x Instruction Manual
Clamp Type Digital Multimeter MC 40 FNIRSI - Frequently Asked Questions
What is the FNIRSI MC-40 Clamp Meter used for?
The FNIRSI MC-40 is a versatile digital clamp meter used for measuring AC, AC/DC voltage, resistance, continuity, and more. It's ideal for both industrial and domestic electrical diagnostics.
Is the FNIRSI MC-40 True RMS?
Yes, the FNIRSI MC-40 features True RMS technology, providing accurate measurements even with distorted or non-sinusoidal signals.
Can this clamp meter measure DC Current?
No, the FNIRSI MC-40 supports AC measurement only (up to 600A). It does not measure DC current.
What is the maximum current the FNIRSI MC-40 can measure?
It can measure up to 600A AC with a maximum jaw opening of 26mm, suitable for industrial cables.
Does the FNIRSI MC-40 support resistance and continuity testing?
Yes, it supports resistance measurement up to 40MΩ and continuity testing with beeper alerts.
What is the resolution and accuracy of voltage measurements?
DC Voltage Accuracy: ±(0.5% + 3 counts)
AC Voltage Accuracy: ±(1.0% to 1.2% + 10 counts)
Resolution: as fine as 0.1mV for DC
What type of battery does the FNIRSI MC-40 use?
It uses 2 x AAA (1.5V) batteries, which are not included in the package.
Does it have a flashlight or backlit display?
Yes, it includes a built-in flashlight and a backlit digital display for working in low-light conditions.
Is the FNIRSI MC-40 auto-ranging?
Yes, it features intelligent auto-ranging to simplify measurements by automatically selecting the appropriate range.
Does the FNIRSI MC-40 offer overload protection?
Yes, it includes intelligent anti-burnout protection and overload safety features up to 600V.
What is NCV in the FNIRSI MC-40?
NCV stands for Non-Contact Voltage Detection, allowing users to detect voltage presence without touching the wire. It gives both visual and audible alerts.
Does the device automatically shut off?
Yes, it includes auto-shutdown after 25 minutes of inactivity to preserve battery life.
Can the FNIRSI MC-40 be used for automotive diagnostics?
Yes, it's suitable for automotive electrical troubleshooting, provided only AC current or voltage is being measured.
Is the FNIRSI MC-40 suitable for beginners?
Absolutely. Its user-friendly interface, auto-range, and data hold functions make it suitable for both professionals and beginners.
What kind of display does the MC-40 have?
It has a 6000-count digital LCD display with backlight support, offering high-resolution readouts.
Attention
Note: This item is non-returnable. If this item arrives damaged or is not functioning properly, don't hesitate to get in touch with us to determine if further actions may be taken.
Need Help?
Our engineers are available to assist you. If you have any queries, please leave a comment below or call 09678110110 from 09:00 am to 08:00 pm (7 days a week). You can also reach us via Live Chat or Facebook Inbox