The recess fits over the protruded tab on the actual top of the range switch, I showed this on the latest live feed.
The circlip actually resides flush with the case as it's in a concave part of the case molding.
How about a link Dave!
I couldn't find the live feed where you show the correct position of the spacer.
If you want to compare it with the Fluke 17B+, SC4. I have no answer why this meter is so stable. The contacts are a whole different setup.
Also, just remember those who did get the meters, got them at a reduced price. That came with a risk, one that was pretty much expected by many. When I'm able to get one of these for myself, I will be paying more in dollar terms, but less in time.
Your comments are plentiful and you usually dont spare us the depth of your insights into how this meter should or shouldn't be developed and what should or shouldn't take place before its released as a production unit.
Dave, I mentioned I had uploaded a few clips of Brymen's test jig in operation. The attached link shows starts at those clips. It is followed by showing how my setup works.
https://youtu.be/bs5n3a__Yq0?t=400
Dave, I mentioned I had uploaded a few clips of Brymen's test jig in operation. The attached link shows starts at those clips. It is followed by showing how my setup works.
https://youtu.be/bs5n3a__Yq0?t=400
Joe, watching the video of your test jig in action, it becomes apparent just how brutal Dave's jig is compared to yours. Your switch actuating "fingers" and timed sequencing approximates real world usage. At least it appears that way to me.
It suggests to me that Dave's jig would inflict more wear and damage than may be found in other manufacturers testing of their meter's switches?
It also shows the relevance of having someone like you running uniform consistent tests on a range of meters and brands so that a true indication of robustness, precision and accuracy can be conveyed to the prospective buyer.
Definitely looking forward to seeing how the blue meter performs once you get hold of a "production" unit.
Watching the video also presented me with the same dilemma that confronted Neo. Choose the Red meter or the Blue meter, as I considered the Brymen a worthy competitor for my money!
Now about those yellow sticky notes. I saw they were no longer shown in the edited video so I have attached a screen shot. Granted, I am not sure why they use r=V/3300 only to invert it below but the numbers don't seem to work out even close to what their meter was reading and everything is well above the 10 ohm limit. Is this that new math I keep hearing about?
UPDATE:
Software
- Windows app software is now available on the Microsoft store.
I have downloaded the software onto my Windows 10 laptop. I am waiting for my meter but I thought I would have a quick poke around the software beforehand. I would have though that it would be similar to the Android version that actually has a display but no such luck. All I get when I start the software is a window with <Settings> and a refresh button at the bottom of the screen. Clicking on <> or Settings does nothing.
F/w 1.07: the Sound of Silence
F/w 1.07: the Sound of SilenceI was going to post earlier but hit a stumbling block.
After loading 1.07, I found my current ranges no longer work. Put it back to 1.01 and they still do not work - reads overflow on many ranges. I am debugging the meter to see if I just got a switch problem at the same time as the upgrade. The meter has not been near high voltages and currents and the fuses and shunts are fine. The current ranges did work perfectly. It is not a lost calibration issue - it looks more like a floating connection that should be going to the shunt resistors.
The resistance now goes from open to a short in under 5 seconds - much more respectable.
Looks like VA is still restricted to 55V maximum and they haven't fixed the issues with the capacitance manual range yet:
https://www.eevblog.com/forum/testgear/eevblog-121gw-multimeter-issues/150/
After loading 1.07, I found my current ranges no longer work. Put it back to 1.01 and they still do not work - reads overflow on many ranges. I am debugging the meter to see if I just got a switch problem at the same time as the upgrade. The meter has not been near high voltages and currents and the fuses and shunts are fine. The current ranges did work perfectly. It is not a lost calibration issue - it looks more like a floating connection that should be going to the shunt resistors.
1520424876.136 2017-08 00042 Power DC (VA) 0.0 mVA DCA 0.01
1520424876.406 2017-08 00042 Power DC (VA) 0.0 mVA DCA 0.01
1520424876.676 read STDIN: invalid byte: 6 of 34
1520424876.676 read STDIN: invalid byte: 13 of 20
1520424876.676 read STDIN: invalid byte: 10 of 19
1520424876.811 read STDIN: invalid byte: 10 of 14
1520424877.081 2017-08 00042 Power DC (VA) 0.3 mVA DCA 0.01
1520424877.352 2017-08 00042 Power DC (VA) 0.3 mVA DCA 0.01
1520424877.621 read STDIN: invalid byte: 131 of 34
1520424877.621 read STDIN: invalid byte: 10 of 33
1520424877.756 read STDIN: invalid byte: 10 of 14
1520424878.026 2017-08 00042 Power DC (VA) 0.0 mVA DCA 0.01
1520424878.296 2017-08 00042 Power DC (VA) 0.0 mVA DCV 0.0000
1520424878.566 2017-08 00042 Power DC (VA) 0.0 mVA DCV 0.0000
1520424878.836 2017-08 00042 Power DC (VA) 0.1 mVA DCV 0.0000
1520424879.106 2017-08 00042 Power DC (VA) 0.1 mVA DCV 0.0000
1520424879.376 2017-08 00042 Power DC (VA) 0.1 mVA Low_Z 4112
1520424879.646 read STDIN: invalid byte: 10 of 34
1520424879.781 2017-08 00042 Power DC (VA) 0.0 mVA DCV 0.0000
1520424880.051 2017-08 00042 Power DC (VA) -0.4 mVA DCV 0.0000
1520424880.321 2017-08 00042 Power DC (VA) -0.4 mVA DCV 0.0000
1520424880.591 2017-08 00042 Power DC (VA) 0.0 mVA DCV 0.0000
1520424880.861 2017-08 00042 Power DC (VA) 0.0 mVA DCV 0.0000
1520424881.131 read STDIN: invalid byte: 24 of 34
1520424881.131 read STDIN: invalid byte: 13 of 19
1520424881.131 read STDIN: invalid byte: 10 of 18
1520424881.266 read STDIN: invalid byte: 20 of 14
1520424881.266 read STDIN: invalid byte: 10 of 13
1520424881.536 read STDIN: invalid byte: 10 of 14
1520424881.806 2017-08 00042 Power DC (VA) 0.0 mVA DCA 0.01
1520424882.076 2017-08 00042 Power DC (VA) 0.0 mVA DCA 0.01
- Existing backers with meters will get shipped a replacement switch and shim and instructions.
Firmware
- We will now release version 1.07 it can be downloaded here:
After loading 1.07, I found my current ranges no longer work. Put it back to 1.01 and they still do not work - reads overflow on many ranges. I am debugging the meter to see if I just got a switch problem at the same time as the upgrade. The meter has not been near high voltages and currents and the fuses and shunts are fine. The current ranges did work perfectly. It is not a lost calibration issue - it looks more like a floating connection that should be going to the shunt resistors.
I would presume that has to a coincidental intermittent switch issue. No other reason would make sense.
1520427022.717 2017-08 00042 Power DC (VA) 2499.9 mVA DCV 1.5652
1520427022.987 2017-08 00042 Power DC (VA) 2499.8 mVA DCV 1.5652
1520427023.257 2017-08 00042 Power DC (VA) 2499.8 mVA DCV 1.5652
1520427023.527 2017-08 00042 Power DC (VA) 2499.8 mVA DCV 1.5652
1520427023.797 2017-08 00042 Power DC (VA) 391.2 mVA DCV 1.5652
1520427024.067 2017-08 00042 Power DC (VA) 391.2 mVA DCV 1.5652
1520427024.742 2017-08 00042 Power DC (VA) 1564.9 mVA DCA 249.97
1520427025.282 2017-08 00042 Power DC (VA) 1565.2 mVA DCA 249.97
1520427025.552 2017-08 00042 Power DC (VA) 391.2 mVA DCA 249.97
1520427025.822 2017-08 00042 Power DC (VA) 2500.0 mVA DCA 249.97
1520427026.565 2017-08 00042 Power DC (VA) 2499.9 mVA DCA 249.97
1520427027.240 2017-08 00042 Power DC (VA) 391.3 mVA DCA 249.99
1520427027.510 2017-08 00042 Power DC (VA) 391.3 mVA DCA 249.99
1520427027.780 2017-08 00042 Power DC (VA) 1521.7 mVA DCV 1.5653
1520427028.050 2017-08 00042 Power DC (VA) 1565.2 mVA DCV 1.5653
1520427028.320 2017-08 00042 Power DC (VA) 1565.2 mVA DCV 1.5653
1520427029.265 2017-08 00042 Power DC (VA) 2500.2 mVA DCV 1.5655
1520427029.535 2017-08 00042 Power DC (VA) 2500.0 mVA DCV 1.5655
1520427029.805 2017-08 00042 Power DC (VA) 2500.1 mVA DCV 1.5655
1520427030.075 2017-08 00042 Power DC (VA) 2500.0 mVA DCV 1.5655
1520427030.345 2017-08 00042 Power DC (VA) 2500.1 mVA DCV 1.5655
1520427031.020 2017-08 00042 Power DC (VA) 1516.9 mVA DCV 1.5655
1520427031.290 2017-08 00042 Power DC (VA) 1516.9 mVA DCA 250.00
The 24 hour video was no longer listed when I checked, so yes I was referring to your how-to video.