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| Fluke 28ii battery compartment bulge normal? |
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| trahloc:
--- Quote from: FlyingBrickyard on July 13, 2012, 04:11:11 am ---Gotcha, and thanks for the clarification. As to the bulge itself, I've taken several pictures of my meter (which is similar to the one in the OP) and have sent them off in an email to Fluke support. When/if I hear back I'll share their response. --- End quote --- I'd love to hear what they say. --- Quote from: JuiceKing on July 13, 2012, 04:29:40 am ---BTW, it's also probably worth mentioning that the 28ii service manual calls for 6 in-lb of torque for the battery door screws and 12 in-lb of torque for the case screws. Precision torque drivers aren't cheap and if you can't find an adjustable one with a range that covers 6-12 in-lbs you actually need two of them. This only matters if you care about following Fluke's instructions to retain IP67 ratings after opening up things up yourself. --- End quote --- Well I have no interest in taking the whole unit apart but seeing a bulge in a brand new product that costs a pretty penny made me curious to open the battery compartment and see if something was broken. Although I don't have a torque driver ... yet ... it's on my wishlist. --- Quote from: shane_95 on July 12, 2012, 03:31:54 pm ---can you contact amazon and tell them of the defect, and get your money back or a replacement sent out? --- End quote --- Yup, Amazon is really good about that sort of thing. |
| bitshape:
My own 28II has the bulge also new out of the box. I immediately replaced the standard Energizer AA Alkaline's to Energizer AA Lithium's and I couldn't get the casing flush or almost flush. I suspected the O-ring and without the O-ring it is, as you expect, fully flush. So my solution was to gently threat the O-ring itself with a little bit of grease (Vaseline) on my finger, only to gently 'wet it'!, so that it can more easily slide in the right place when you put the back of the battery-compartment together. Now it's almost Flush, still putting enough force on the o-ring for a correct IP67 seal. :D I'm very happy with the 28II, only Fluke's display's are a little bad at some viewing-angle from the top. |
| saturation:
Yes, this is the preferred way, and insures the best seat. Any O ring lubricant is good, most folks will be able to obtain something like Vaseline, or professionally with silicone. --- Quote from: bitshape on July 14, 2012, 08:40:41 am ---My own 28II has the bulge also new out of the box. I immediately replaced the standard Energizer AA Alkaline's to Energizer AA Lithium's and I couldn't get the casing flush or almost flush. I suspected the O-ring and without the O-ring it is, as you expect, fully flush. So my solution was to gently threat the O-ring itself with a little bit of grease (Vaseline) on my finger, only to gently 'wet it'!, so that it can more easily slide in the right place when you put the back of the battery-compartment together. Now it's almost Flush, still putting enough force on the o-ring for a correct IP67 seal. :D I'm very happy with the 28II, only Fluke's display's are a little bad at some viewing-angle from the top. --- End quote --- |
| FlyingBrickyard:
Good idea, and one it looks like I'm going to have to do myself, as Fluke have thus far been completely unresponsive. I'll have to dig up some silicone lubricant. Petroleum jelly (Vaseline) will cause deterioration of the O-ring material. I used to use Vaseline when I was assembling reloadable rocket motors because the O-rings were going to get destroyed within the next 20 minutes anyway, but here the application is a bit longer term - hopefully. ;) |
| bitshape:
--- Quote from: FlyingBrickyard on July 14, 2012, 02:35:49 pm ---Good idea, and one it looks like I'm going to have to do myself, as Fluke have thus far been completely unresponsive. I'll have to dig up some silicone lubricant. Petroleum jelly (Vaseline) will cause deterioration of the O-ring material. I used to use Vaseline when I was assembling reloadable rocket motors because the O-rings were going to get destroyed within the next 20 minutes anyway, but here the application is a bit longer term - hopefully. ;) --- End quote --- It all depends on the material of the Gasket/O-ring (and the material of the Housing) which lubricant you could safely use: The Vaseline Grease is fairly safe on a Silicone Gasket and most other materials, but not on a Gasket made of EPDM. [see: Chemical Compatibility Vaseline] The Silicone Grease is safe on almost every Gasket material, but not so on a Silicone Gasket! [see: Chemical Compatibility Silicon Greases] The main question is, what is Fluke using as the gasket/O-ring material on the 28II batterycompartment-seal? I guess by the looks and feel of it, it is a Fluorosilicone Elastomer Gasket/O-ring which is safe with both Silicone Grease & Vaseline Grease. Or maybe it is just a Silicone Elastomer Gasket/O-ring, then you are better off with Vaseline Grease than a Silicone Grease. (See the above link's of the Chemical Compatibility of the Materials) |
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