Extech Instruments EX330 12 Function Mini MultiMeter Non-Contact Voltage Detector Datasheet
Below you will find brief information for EX300 EX310, EX300 EX320, EX300 EX330. These compact multimeters combine manual/autoranging capabilities with a built-in non-contact AC voltage detector for quick safety checks. The EX310 offers manual ranging, while EX320 adds large digits and auto power off. The EX330 includes temperature, capacitance, and frequency measurements, making it versatile for electrical and temperature testing.
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Key features
Built-in non-contact AC voltage detector with LED and audible beeper
0.5% basic accuracy for reliable measurements
Manual ranging (EX310) or autoranging (EX320/EX330) for flexibility
Large 1" digits for easy reading (EX320)
Temperature, capacitance, and frequency measurements (EX330)
Data Hold and Max Hold functions (EX320/EX330)
Auto Power Off to conserve battery (EX320/EX330)
Frequently asked questions
Yes, all models have a built-in non-contact AC voltage detector with a red LED indicator and audible beeper.
All models have 0.5% basic accuracy.
Yes, the EX330 includes Type K temperature measurement switchable between °F and °C.
The EX320 has autoranging, large 1" digits, low battery indicator, Max Hold, Data Hold, and Auto Power Off—features not in the EX310.
The EX330 has a resistance range of 0.1Ω to 40MΩ.