Actron CP7677 Automotive TroubleShooter - Digital Multimeter and Engine Analyzer Review

Average Reviews:

(More customer reviews)I'm a big fan of the high-end Flukes so I've worked with the best. Well, these defintitely aren't the best, but you can't beat what you get for the price. I got it for my brother for his car and it does the job well.
First, the bad:
1. No auto shut-off. You gotta make sure you turn it off or the battery will just keep draining away.
2. No auto-sensing. You gotta set the dial for the range you're looking for. But hey, I like it so much I don't care that I can't be so lazy.
And the good:
1. All the features. You get all the standards PLUS a tach and a dwell-meter! That'll about cover your carbureted cars.
2. Price. You can find multimeters that can't do the extras for the same price and even more. Great bargain.
3. Alligator clips. Simple things but it'd be a pain without them.
Plus, this thing will handle all the home electrical work.
As for the rest: I won't vouch for its durability but Actron is a decent company. They go towards affordable but not junky. The case is made of a light plastic, but it doesn't seem fragile. As for the tolerances, they're not bad:
DC Volts
Range: 200mV, 2V, 20V, 200V
Accuracy : ±(0.5% rdg + 5 dgts)
Range: 1000V
Accuracy: ±(0.8% rdg + 5 dgts)

AC Volts
Range: 2V, 20V, 200V
Accuracy : ±(0.8% rdg + 5 dgts)
Range: 750V
Accuracy: ±(1.0% rdg + 4 dgts)

DC Current
Range: 200mA
Accuracy: ±(0.8% rdg + 5 dgts)
Range: 10A
Accuracy: ±(1.2% rdg + 5 dgts)
Resistance
Range: 200', 2K', 20K', 200K', 2M'
Accuracy: ±(0.8% rdg + 5 dgts)
Range: 20M'
Accuracy: ±(1.5% rdg + 5 dgts)
Dwell
Range: 4CYL, 6CYL, 8CYL
Accuracy: ±(3.0% rdg + 5 dgts)
RPM
Range: 4CYL, 6CYL, 8CYL
Accuracy: ±(3.0% rdg + 5 dgts)
Audible Continuity
Buzzer sounds at approximately less
than 30-50 Ohms.
So for the price, a good deal.

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This auto troubleshooter performs all standard electrical tests for on-car and bench troubleshooting, including tachometer, dwell, volts, ohms and diode. With an audible tone, it pinpoints problem areas and determines which components need repair or replacement and includes 24 ranges for more accurate measurements.It is extra large, easy to read with digital LCD and the hold button retains display data. It includes a comprehensive user's manual and a 1-year warranty.

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