Ordering Information:
EX310 ................Mini Manual Ranging MultiMeter + Voltage Detector
EX310-NIST ......EX310 MultiMeter with Calibration Traceable to NIST
EX320 ................Mini Autoranging MultiMeter + Voltage Detector
EX320-NIST ......EX320 MultiMeter with Calibration Traceable to NIST
EX330 ................Mini Autoranging MultiMeter with Temp + Voltage Detector
EX330-NIST ......EX330 MultiMeter with Calibration Traceable to NIST
Specifications subject to change without notice.
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www.extech.com 12/4/14 - R1
EX300 Series Features:
•0.5% basic accuracy
•Built-in non-contact AC Voltage Detector with
red LED indicator and audible beeper
•Large 1” digits make it easy to read
•Low battery indicator
•Complete with stand, test leads, protective
holster, batteries, general purpose bead wire
temperature probe (Model EX330)
Compact MultiMeters + Voltage Detector
Specifications EX310 EX320 EX330
Display counts 2000 2000 4000
Basic Accuracy 0.5% 0.5% 0.5%
NC Voltage Detector 100 to 600VAC 100 to 600VAC 100 to 600VAC
DC Voltage 0.1mV to 600V 0.1mV to 600V 0.1mV to 600V
AC Voltage 0.1V to 600V 0.1mV to 600V 0.1mV to 600V
DC/AC Current 0.1mA to 10A 0.1µA to 10A 0.1µA to 10A
Resistance 0.1Ω to 2000kΩ 0.1Ω to 20MΩ 0.1Ω to 40MΩ
Capacitance ——✓0.001nF to 200µF
Frequency ——✓0.001Hz to 10MHz
Temperature (Type K) ——✓-4 to 1382°F
✓(-20 to 750°C)
Duty Cycle ——✓0.1 to 99.9%
Diode/Continuity Yes Yes Yes
Dimensions 5.7x2.9x1.6" 5.7x2.9x1.6" 5.7x2.9x1.6"
(147x76X42mm) (147x76X42mm) (147x76X42mm)
Weight 9oz (260g) 9oz (260g) 9oz (260g)
Built-in Non-Contact Voltage Detector automatically detects
a live wire when the red LED is lit with audible beeper
Combination MultiMeters with Built-in
Non-Contact AC Voltage Detector
To quickly check for the presence of AC Voltage before testing
Model EX310
•Manual ranging
Model EX320
•Autoranging
•Max Hold: captures
highest reading
•Data Hold: freezes the display
•Auto Power Off: conserves
battery life
Model EX330
•Autoranging
•Data Hold: freezes the display
•Auto Power Off: conserves
battery life
•Type K Temperature
°F/°C switchable
•Capacitance
•Frequency
•Relative function
EX300
S E R I E S
