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Malaysia, Kuala Lumpur
1 Level
703 Review
44 Karma

Review on πŸ”§ Compact True-RMS Digital Multimeter - Fluke 115 by Benjamin Cleveland

Revainrating 5 out of 5

Disappointing short signal range and terrible test leads

At first, the included test leads reminded me of a set of cheap patch cords in the winter; hard and with a good memory. Luckily I had a much better set of silicone leads - I'll probably never use the ones that came with them, except maybe for dirty work - and I gave them a shot - they've been hanging on a peg next to my bench for a week now. Now the shape hasn't changed, everything is just as zigzag and springy. I've never seen such a chunky set of Fluke test leads, it's really disappointing and I'd worry about one of the zig zags catching on something and pulling a good new DMM and/or snagged object off the table. No thank you. The reason I bought this is for the True RMS capability to complement my trusty old Fluke 83, and I bought the 115 instead of the cheaper model so I had an RMS current measurement - I expected at least hundreds of measurements to be able to microamps with a digit in reserve. I should have read the manual more carefully before buying. 6A is the lowest current range, which means a resolution of 100uA is pretty crude for electronics work. I suspect this is Fluke's way of avoiding cannibalizing sales of their more expensive 10Β΅A Model 179 or 87 (0.1Β΅A AC, 0.01Β΅A DC). Millivolt ranges are also limited; 600mV is the lowest range for both AC and DC - 1mV resolution is pretty common these days, and a $40 RMS DMM might do better. This largely eliminates the use of this meter for RMS current measurements with an external shunt resistor. Fur. Now I'm looking for a good deal on a used 87. It's a decent and handy little RMS meter, but there are plenty of alternatives and Fluke really needs to do some research to compete against cheap TRMS DMM competitors - and doesn't Don't worry too much about cannibalization and maintaining the family's scope for exemplary happiness. Half of something is still better than nothing

Pros
  • Nice packaging
Cons
  • Uncertainty