FNIRSI DMC-100
DC / AC Current & Voltage Clamp Meter Digital Multimeter
Brand: FNIRSI
Product Description
The FNIRSI DMC-100 is a professional digital cla18Heading 3mp multimeter designed for safe and accurate electrical measurements. It supports AC/DC current clamping, AC/DC voltage measurement, waveform display, power measurement, and advanced diagnostic functions such as NCV and live wire detection. With a large color TFT screen and rechargeable battery, it is ideal for electrical maintenance, industrial testing, and field applications.
General Specifications
- Brand: FNIRSI
- Model: DMC-100
- Display: 2.0-inch TFT color screen
- Resolution: 240 × 320 pixels
- Battery: 3.7 V 1500 mAh lithium battery
- Charging: USB Type-C, 5 V / 1 A
- Maximum Jaw Opening: 25 mm
- Temperature Unit: °C / °F
- Product Size: 193 × 74 × 32 mm
- Weight: 194 g
- Language: Chinese / English
- Brightness Adjustment: 10 levels
- Auto Power Off: OFF / 5 min / 15 min / 30 min
- Firmware Upgrade: Supported
Electrical Measurement Specifications
Voltage Measurement
- DC Voltage: 9.999 V / 99.99 V / 999.9 V
- AC Voltage: 9.999 V / 99.99 V / 750.0 V
Current Measurement (Clamp)
- DC & AC Current (Max): 99.99 A / 600.0 A
- AC Current Ranges: 4 A / 40 A / 600 A
Resistance
-
Auto Ranges:
- 99.99 MΩ / 9.999 MΩ / 999.9 kΩ / 99.99 kΩ / 9.999 kΩ / 999.9 Ω
-
Manual Ranges:
- 400 Ω / 4 kΩ / 40 kΩ / 400 kΩ / 4 MΩ / 40 MΩ
Capacitance
- 9.999 mF / 99.99 mF
- 999.9 µF / 99.99 µF / 9.999 µF
- 999.9 nF / 99.99 nF / 9.999 nF
Frequency
- 9.999 MHz / 999.9 kHz / 99.99 kHz
- 9.999 kHz / 999.99 Hz / 99.99 Hz / 9.999 Hz
Temperature Measurement
- −55 to 1300 °C
- −67 to 2372 °F
Functions & Features
- Diode Measurement: Supported
- Continuity (On-Off) Test: Supported
- Non-Contact Voltage Detection (NCV): Supported
- Zero / Live Wire Identification: Supported
-
Measuring Modes:
- General Measurement
- Waveform Display
- Power Measurement
- Measurement Gear: Manual adjustment
- Waveform Display: Supported
- Power Calculation: Supported
- Data Hold: Supported
- Max / Min Value Recording: Supported
- Data Zeroing: Supported
- Data Storage: Up to 30 groups
- Built-in Torch (Flashlight): Supported
Applications
- Electrical installation and maintenance
- Industrial power measurement
- HVAC and power systems diagnostics
- Field service and troubleshooting
- Professional and advanced DIY electrical work
Package Contents
- FNIRSI DMC-100 clamp meter
- Test leads
- USB Type-C charging cable
- User manual
10,000-Count Resolution: What It Adds
FNIRSI's official specification for the DMC-100 describes it as a 10,000-count instrument — meaning it can display readings up to 9999 before switching ranges, noticeably finer resolution than the 2,000–6,000-count clamp meters common at this price point. Combined with True RMS accuracy, that resolution matters most on lower-current or lower-voltage readings where extra digits make a real difference to the measurement.
Waveform Display and Power Measurement Modes
Beyond standard current and voltage readings, the DMC-100 has two modes most clamp meters in this range don't offer:
- Waveform display mode, showing the actual signal shape on the 2.0-inch color screen — useful for spotting distorted or noisy AC waveforms that a simple numeric reading would hide.
- Power measurement mode, calculating power directly rather than requiring separate voltage and current readings multiplied manually.
Who the DMC-100 Is Built For
- Electricians and field technicians needing 600A clamp readings without breaking a live circuit.
- Automotive and solar diagnostics — the DC current clamp function suits battery and solar-charging current checks that AC-only clamp meters can't handle.
- Anyone who's outgrown a basic clamp meter and wants waveform visualization or data logging (up to 30 stored groups) rather than a single numeric readout.
FNIRSI DMC-100 vs a UNI-T Clamp Meter
Both RAM and FNIRSI are authorized-distributor brands carried by RAM Electronics, so the choice comes down to feature set rather than authenticity:
- Choose the DMC-100 for the color TFT screen, waveform display, power measurement mode, and 10,000-count resolution.
- Choose the UT204+ for a simpler, monochrome-display clamp meter at a lower price point if you don't need waveform visualization.
- Prefer a pocket multimeter over a clamp meter? The FNIRSI S1 covers standard multimeter functions in a smaller, non-clamp body.
Frequently Asked Questions
Does the DMC-100 measure DC current, or only AC?
Both — it measures DC and AC current up to 600A via the clamp jaw, along with DC and AC voltage up to 999.9V/750.0V respectively.
What comes in the box with the DMC-100?
Per RAM's own package contents listing: the DMC-100 clamp meter itself, test leads, a USB Type-C charging cable, and a user manual.
How accurate is the DMC-100 compared to a basic clamp meter?
FNIRSI specifies it as a 10,000-count True RMS instrument — finer display resolution than the 2,000–6,000-count clamp meters common at similar price points, meaning more precise readings, particularly at lower currents and voltages.
What's the maximum jaw opening on the DMC-100?
25mm, per the General Specifications listed on this page.
Can the DMC-100 store measurement readings?
Yes — it supports a curve-recording mode for tracking data fluctuation over time, letting you review up to 8 sets of live data and store up to 30 sets of historical data, alongside Max/Min recording and data hold.
Need a clamp meter that does more than show a single number? The FNIRSI DMC-100 adds waveform display, power measurement, and 10,000-count True RMS accuracy in one handheld tool. Contact RAM Electronics — an authorized FNIRSI distributor in Egypt — for availability and pricing.