Klein Tools digital electrical test kit – RT250 LCD GFCI tester, MM320 multimeter, NCVT3P non-contact tester – $45 on Amazon AC

By | August 5, 2022 12:56 pm EST

Digital Multimeter Premium Electrical Test Kit with Non-Contact Voltage Tester, Receptacle Tester, Test Leads Klein Tools 69355. $45 after $5 off coupon on the product page.
VARIETY OF FEATURES on the Digital Multimeter MM320 measures up to 600V AC/DC voltage, 10A DC current and 2MOhms resistance; also tests batteries, diodes, and continuity
DUAL-RANGE TESTING CAPABILITIES allow Voltage Tester NCVT3P to detect from 12 to 1000 VAC or 70 to 1000 VAC for a broad variety of low-voltage or standard voltage applications
DETECT WIRING CONDITIONS on GFCI Receptacle Tester RT250 which features a large backlit LCD readout of voltage, and clear indication of wiring conditions, with patent pending detection of Open Neutral / Open Ground wiring faults
The value of the set is the MM320 multimeter which is over $30 on its own. A worse MM300 is $30 and MM320 has more features. https://www.amazon.com/Multimeter…ools-MM300. Pretty much you get the best GFCI tester for the money RT250 at its current price $20, then pay only $10 for NCVT3P (savings of $17), then get MM320 for $15 saving another $20.
Multimeters: MM320 vs MM300
This isn’t the easiest comparison, as the Klein MM320 seems to only appear in bundle kits, while the MM30 is sold by itself and as part of kits.
The two meters appear similar, but there are enough distinctions where they could be made by different OEMs.
Looking at the user manuals, the differences are extremely slight.
The MM320 seems to have slightly better accuracy in several measurement types and ranges, compared to the MM300.
The MM320 has auto power-off (APO), the MM300 does not.
These are both basic manual-ranging digital multimeters. From what I can tell, the MM300 is basic, and the MM320 is slightly better.

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