User Guide

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, bead wire, temperature
probe (-4 to 482°F/-20 to 250°C)
(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
99 Washington Street
Melrose, MA 02176
Phone [phone]
Toll Free 1-800-517-8431
Visit us at www.TestEquipmentDepot.com
Back to the Extech EX300 Series Info Page
Test Equipment Depot - 800.517.8431 - 99 Washington Street Melrose, MA 02176
FAX [phone] - TestEquipmentDepot.com