The FNIRSI DMC-100 is a 10,000-count True RMS intelligent clamp digital multimeter that combines a high-precision current clamp with a full-function DMM and a modern 2.0" color TFT display.It can measure AC/DC current up to 600 A, AC/DC voltage up to 750 V, plus resistance, capacitance, frequency, temperature, continuity, diodes, NCV, and live line detection, making it a compact all-rounder for engineering maintenance, lab work, automotive diagnostics, and home electrical troubleshooting.

Features :

• 10,000-count True RMS clamp meter
  • High-resolution 10,000-count display for more precise readings than basic 2000/4000-count meters. 
• Wide measurement ranges
  • AC/DC current (clamp): 0–600.0 A
  • AC voltage: 9.999 V / 99.99 V / 750.0 V
  • DC voltage: 9.999 V / 99.99 V / 999.9 V
  • Resistance: up to 99.99 MΩ across multiple ranges
  • Capacitance, frequency, temperature, continuity, diode test supported. 
• True RMS measurement
  • Accurate reading of non-sinusoidal waveforms, useful with inverters, switched-mode power supplies, and modern motor drives.
• 2.0" full-color TFT screen
  • 2.0" 240 × 320 color display
  • New graphical UI with data curve display, Min/Max values, and clear icons for each function. 
• Three measurement modes
  • General mode: standard digital multimeter / clamp operation
  • Waveform mode: shows current or voltage trend as a graph over time
  • Power mode: displays voltage and current simultaneously and calculates power (apparent power). 
• NCV & live wire detection
  • Non-contact voltage (NCV) detection using a sensor in the clamp head
  • Zero / live line identification with a single test lead. 
• Temperature measurement
  • Measures from -55 °C to +1300 °C (-67 °F to 2372 °F) with the included K-type thermocouple, ideal for HVAC, soldering, engine bay checks, etc.
• Graphing and data storage
  • Can show a real-time graph (trend) of measurements
  • Stores multiple values (up to about 30 readings) for review, with units indicated for each. 
• Built-in flashlight & adjustable backlight
  • Side button toggles a white LED flashlight for dark panels and cabinets
  • Adjustable screen brightness to suit indoor/outdoor use. 
• Rechargeable Li-ion battery
  • 3.7 V, 1500 mAh internal lithium battery
  • USB Type-C charging (5 V / 1 A), with port also used for firmware upgrades / PC communication. 
• Auto power-off & smart settings
  • Intelligent auto shutdown to save power
  • Menu allows adjustment of auto-off time, display brightness, temperature unit (°C/°F), language, etc. 

Specifications :

• Model & Display
  • Model: FNIRSI DMC-100
  • Display: 2.0" TFT color, 240 × 320 px
• Power
  • Battery: 3.7 V 1500 mAh Li-ion
  • Charging: USB-C, 5 V / 1 A 
• Clamp
  • Max jaw opening: 25 mm (≈ 2.5 cm conductor diameter) 
• Measurement Ranges (from FNIRSI specs) 
  • DC voltage:
    • 9.999 V / 99.99 V / 999.9 V
  • AC voltage:
    • 9.999 V / 99.99 V / 750.0 V
  • AC/DC current (clamp):
    • 99.99 A / 600.0 A
  • Resistance:
    • 999.9 Ω / 9.999 kΩ / 99.99 kΩ / 999.9 kΩ / 9.999 MΩ / 99.99 MΩ
  • Capacitance:
    • (multiple ranges, typically from nF into the mF region – varies slightly by listing but includes common electronics values)
  • Frequency:
    • Supports frequency measurement for AC signals and some logic-level signals (exact range per manual).
  • Temperature:
    • -55 °C to +1300 °C, selectable °C / °F
  • Other functions:
    • Continuity test, diode test, NCV, live wire identification, Min/Max hold, data hold, data logging, power calculation.

Applications :

• Home & building electrical work
  • Non-contact checking for live wires, tracing circuits, verifying breaker loads
  • Measuring AC mains voltage and current without breaking the circuit
• Automotive & vehicle maintenance
  • Measuring charging current, checking accessories draw, testing sensors and wiring
  • Monitoring DC currents in 12 V / 24 V systems
• Engineering & lab use
  • Full-function DMM for prototyping and repair
  • Graphing mode for observing trends and logging voltage/current over time
• HVAC & thermal diagnostics
  • Using the temperature range up to 1300 °C for flue, heater, soldering, or high-temperature points