Question 1

Can you test a car battery and alternator with this?

Accepted Answer

Hi! Yes, this is an excellent multi-meter with which you can do that. A fully-charged auto battery will read between 12.5 and 12.8 VDC. You can check your vehicle's alternator by attaching the multi-meter's black and red leads to the black and red battery posts while the engine is at idle. With no accessories on (radio off, etc) you should read 13.7 to 13.9 VDC. IF the vehicle has an AGM type battery in it, then the voltage reading, no load, should be around 13.5 VDC. You can now check the alternator voltage output with a load on it. Turn on some accessories in the vehicle, like the A/C, the radio and the headlights - the alternator's voltage output shouldn't vary more than a 0.1 of a volt from the no-load reading. If the voltage reading drops significantly, then the voltage regulator inside the alternator has failed. These are simple tests that you can make in your driveway with your multi-meter. If you want more sophisticated testing of your battery or alternator, you'll have to take your vehicle to an auto repair shop.........I hope that this helps you a little.

Question 2

where is this made ?

Accepted Answer

This multimeter is manufactured in China. We AstroAI as a US brand owner, do sell and ship either from Amazon warehouses directly or from our CA office or warehouse. We are formally authorized to sell on Amazon with official verification.

Question 3

Does this meter have a tone that sounds when continuity is sensed?

Accepted Answer

Is does have continuity beeps but you must press the select button to make the meter go into continuity mode with the dial on the ohms/ continuity setting.

Question 4

Is 10 amp the maximum amount of dc current that can be measured?

Accepted Answer

Yup …

DC Current: 400μA/4000μA/40mA/400mA/10A ±(1.2%+8);

ASIN	B0842HTN8C
Best Sellers Rank	#89,876 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #437 in Multi Testers
Brand Name	AstroAI
Color	red
Customer Reviews	4.5 4.5 out of 5 stars (7,912)
Item Dimensions	16 x 11.5 x 4 centimeters
Manufacturer	AstroAI
Maximum Operating Voltage	600 Volts
Measurement Type	Multimeter
Minimum Operating Voltage	1.5 Volts
Model	ASIDM130B
Part Number	ASIDM130B
Power Source	Battery Powered
Specification Met	CE
Style Name	Modern
UPC	810074980067
Unit Count	1 Count

AstroAI 130B Digital Multimeter 4000 Count Professional Polymeter, Voltmeter, Tester, Meter for AC/DC Current, AC/DC Voltage, Resistance, Continuity and Test Diodes

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