I believe we need to declare war on 9V batteries; let them die like those stupid 15V 411/208 cells. No, actually, we need to kill them OFF. I tried to buy one for my DE-5000, and all I could find at Squalid-Mart was a 4-pack for $14-effing dollars.
mnem
"Squalid-Mart: Help spread the squalor around."
I was beginning to wonder why we had not seen anything about your DE-5000, no fecking power man. You can't ban 9v batteries, how the feck will I power up my Fluke 27's and my 2 chinese component testers etc NNNNoooooooooooooooooooo
You've had your warning. Go buy a good stock of Lixx 9V batteries off AliEx now!!! We're coming for you, and your little 9Vs too!!!
OK...so you won't need to buy any for a while. Now quit your fussing and on with the demo.
I actually have a shitload of pics I'm going through right now because like Dave, I didn't turn it on; I took it apart while I was waiting for my wife to come home with a dead battery.
Here's one showing the eeebil 9V battery and all the effing WASTED SPACE that COULD have been used for civilized AA cells or better yet, 18650s.
I rather like 9V batteries. Two or four of them taped together make a great quiet floating supply for small analogue circuits, either ad-hoc ones or more permanent ones.
There's very little power in them, though. A few AA or even AAAs will last you a lot longer.
Try getting a ±15V or ±18V supply out of them, that would be 20 or 24 of the little sods. Much easier to accept that you're only going to get a few hours or tens of hours out of 9V batteries rather than run up a battery pack that's going to weight over a pound and require a lot of jiggling to put together.
I haven't used a 9V battery in DECADES that I wasn't FORCED to use by some BLEEEP!ing throwback retro-genitive piece of BLEEPITY-BLEEP!!! equipment. For random temporary circuits, I've used tore apart laptop packs and/or LiPo packs from my RC equipment. Any one of those pairs of cells in that plastic box will provide a usable 8V for much longer than any 9V battery, including the two AA-size 800mAH 14500 cells. If I need more than that, the 6-cell drill pack there costs all of $10 at bLowes, has convenient tabs at 4,8,12,16,20 & 24V, AND has built-in balance charging & power gauge. Plus I can charge it in 30 minutes. And I never have less than 2 or 3 of them lying around. How many effing volts did you need? ALL OF THEM?!? Right now I have 120V worth of those packs right at hand...
The "need" for a 9V battery is usually just lazy circuit design;
nearly any circuit that'll run on a 9V will run on the 7.4-7.6V nominal of two common Lixx cells. It's only the fact that some folks design their low-voltage shutoffs higher (even though they shouldn't; a 9V battery's life isn't supposed to be over til it drops below 5V) that make a 9V necessary for most equipment that uses it.
Oh, and there's
some red in my meter bank , just for Specmaster.
@BravoV - I liked the LOOK of that Mastech unit, but the ~$170 price was more than I could justify for the amount I'll use it. Also, it would require a COMPLETE redesign of my meter tree...
mnem
*Gonna go bed and lie down before I fall down*