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Extech EX330: 12 Function Mini MultiMeter + Non-Contact Voltage Detector

Autoranging DMM with NCV detector and Temperature function

The EX330 is a compact autoranging multimeter which features extra large 4000 count display and a built-in non-contact AC voltage detector. Advanced function include Frequency, Duty Cycle, Capacitance and Temperature, Diode test and continuity. Rubber holster protects meter. Includes test leads, Type K temperature probe, two AAA batteries and tilt stand.



  • utoranging DMM with 12 functions and 0.5% basic accuracy
  • AC/DC Voltage & Current, Resistance, Capacitance, Frequency, Temperature, Duty Cycle, Diode/Continuity
  • Built-in non-contact AC voltage detector (NCV) with red LED indicator and audible beeper
  • Large-digit 4,000 count LCD display
  • 10A max Current
  • Data Hold, Relative and Auto power off
  • Type K temperature measurements
  • Complete with test leads, tilt stand, protective holster, general purpose Type K bead wire probe and 2 AAA batteries


Specifications Range
Display Counts 4000 counts
Basic Accuracy 0.50%
NCV Detector 100 to 600VAC
DC Voltage 0.1mV to 600V
AC Voltage 0.1mV to 600V
DC/AC Current 0.1µA to 10A
Resistance 0.1Ω to 40MΩ
Capacitance 0.001nF to 200µF
Frequency 0.001Hz to 10MHz
Temperature -4 to 1382°F (-20 to 750°C)
Duty Cycle 0.1 to 99.9%
Diode/Continuity Yes


  • TL803 – General Purpose Test Leads
  • TL805 – Double Injected Test Leads
  • TL809 – Electronic Test Lead Kit
  • TL810 – Electrical Test Lead Kit
  • TL831 – Master Electrical Test Lead Kit
  • TL808-KIT – Professional Test Lead Kit
  • TL900 – SafeSense™ CAT IV Fused Test Leads
  • TL833 – Industrial Test Lead Set
  • TL841 – Test Lead Kit
  • TL806 – Double Insulated Alligator Clips
  • TL807 – Insulated Alligator Clips
  • TL807C – Insulated Alligator Clips
  • TP873 – Bead Wire Type K Temperature Probe (-22 to 572°F)
  • CA250 – 400A AC/DC Clamp-on Adaptor + NCV
  • TL708 – Heavy Duty Large Alligator Clips
  • TL709 – Medium Alligator Clips
  • TL740 – Industrial Plunger Style Test Clip Set
  • TL741 – Heavy Duty Plunger Style Hook Clips
  • TL742 – Heavy Duty Plunger Style Pincer Grip Set
  • TL743 – Slim Reach Test Probe Set
  • TL744 – Flat Blade Test Probe Set
  • TL747 – Electronic Sharp Test Probe Set
  • TL748 – Spring Loaded Hook Tip Probes
  • TL726 – Double Molded Silicone Test Lead Set


EX3xx English Datasheet

EX330 English User’s Manual

EX330 CE Declaration of Conformity