Involvement:Expert (understands the inner workings) - Ownership:more than 1 month
It looks and feels like a Fluke meter. The meter feels sturdy. The LCD is big and clear. The function selector dial is good, it gives that positive “click” feeling. Internal construction of the meter is really good. It has big HRC fuses and the MOVs for input protection. Probes are good. Probe socket makes good solid contact.
Compared to higher end Fluke models, this meter lacks the Min/Max function, does not measure true RMS,no-bar graph, has no LCD backlight, and has no incorrect probe socket detection.
The overvoltage CAT rating is also slightly lower (300V CAT III vs 600V CAT III).
Takes longer to stabilise, very low values are not accurate (see below).
Continuity tester should be louder (it's barely enough for quiet workshop, but quite unusable in loud factory hall environment).
Calibration manual unavailable (at least to me outside China).
Still uses a bunch of trimmers, no closed case calibration.
It uses the cheap blob-on-PCB method, so no chance of repair if the main IC dies (but it's probably unavailable anyway).
I have done some testing with following results:
*All testing done with included probes for each m-metter (ecxcept "probes off")
Measuring 0 ohm (just short circuit probes)
Fluke: 0.0; Voltcraft: 0.1 ; Newcason: 0,65 (with original probes)
Newcason with better probes: 0,18 (after cca 10 sec)
Measuring 0.5 ohm resistor (manual range, auto takes longer to somewhat stabilize):
Fluke doesnt stabilise it shows mostly 0.4 ohm
(Voltcraft VC333 is stable in <1 sec at 0.6 ohm)
XC4070L: 0.68 ohm
Measuring 0.62 ohm resistor:
Fluke almost stabilise in 2 sec and shows from 0.4 to 0.7 ohm
(Voltcraft VC333 is stable in <1 sec at 0.7 ohm)
XC4070L: 0.80 / 0.79 ohm
Measuring 47 ohm 3W J (5% tol.) resistor:
Fluke doesent stabilise in 3 sec and shows from 47.0 and 46.9 ohm, sometimes 46.8
(Voltcraft VC333 shows 46.9 at once and is stable in <3 sec at 47.0 ohm)
XC4070L: 47.0 ohm
YX-1000A: 55 ohm
(goes well allowed 1000 chars)
The Fluke 17B is a good basic meter. It’s not good as usual (not China-only) Fluke meters but is still a good meter. It is much better than no-name brand meters.
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