OTC Digital Multimeter: Digital Multimeter, LCD, No Connectivity, 9V, 7 in Overall Ht
The OTC Digital Multimeter (MPN 3940) is a vehicle electrical diagnostic tool with an LCD display, no connectivity, and a 9V battery. It includes test leads, supports frequency testing, and is CE certified. 3G…
SKU 3G-OTH-506195
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Product Description
The OTC Digital Multimeter (MPN 3940) is a vehicle electrical diagnostic tool with an LCD display, no connectivity, and a 9V battery. It includes test leads, supports frequency testing, and is CE certified. 3G Electric interprets your diagnostic needs, sources this genuine OTC tool, and provides the right answer across 14 industrial departments — with specialist depth in combustion, pumps, and controls.
Frequently Asked Questions
What is the OTC Digital Multimeter 3940 used for?
The OTC Digital Multimeter 3940 is a vehicle electrical diagnostic tool for testing frequency, voltage, and continuity in automotive circuits. Its LCD display and included test leads make it suitable for troubleshooting electrical systems in cars, trucks, and other vehicles.
What are the specifications of the OTC Digital Multimeter 3940?
The OTC Digital Multimeter 3940 features an LCD display, no connectivity, a 9V battery, and an overall height of 7 inches. It includes test leads, supports frequency testing, and is CE certified. The manufacturer part number is 3940.
Where to buy the OTC Digital Multimeter 3940 worldwide?
3G Electric supplies the genuine OTC Digital Multimeter 3940 to customers worldwide. We handle full logistics, customs clearance, and delivery, ensuring you receive the right diagnostic tool for your vehicle electrical needs across 14 industrial departments.
How to use the OTC Digital Multimeter 3940 for frequency testing?
To test frequency with the OTC Digital Multimeter 3940, set the rotary switch to the frequency function, connect the test leads to the circuit, and read the LCD display. Always follow standard electrical safety practices and consult the user manual for your specific application.
Used in
Common applications for OTCOTC Products
3G Electric supplies OTC vehicle electrical diagnostic tools. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.



