It is worthwhile pointing out, at every opportunity, that the electric shock hazard of working on microwave ovens is extreme, and that rigourous precautions are necessary. No other appliance that I can think of has the combination of high enough voltage to shock severely through clothing and dry skin, enough current to certainly kill someone, yet some current limiting and isolation from the mains such that a RCD or circuit breaker will not trip to save you.
I used it couple times years ago. It may also function when using slower cooking mode, not sure. My display gets dimmer and foggy but keeps on working.
Greg
I had one of those in the shop at Clybourn, the probe had a 1/4" jack which plugged into the interior wall. Was made by Sharp. Never used the probe though.
Only reason I mention it is because I bought that from a store that only sold microwave ovens. Nothing else, just microwave ovens and cookware for microwaves. Guess those died out with laserdisc stores.
Well, I only used it for reheating leftovers. Things like yesterdays mashed potatoes or vegs (corn, peas or string beans) would come out evenly cooked (hot all the way through) and not over cooked. When I tried the mashed in the Magic Chef, I figured 2 minutes at full power would be enough being it only takes 3 minutes to cook from the fridge but no, was cold in the middle.
I'm not saying the reheat mode with moisture detection is an end-all solution but it worked correctly most of the time. Several times I put something in there and it just didn't work, after 3 minutes or so it would beep with "Sensor failure" on the display panel. Then it did a 30 second countdown and end.
Even things like a leftover half corned beef sandwich came out good.
The sensor/reheat function just eliminated the guess work for time and duty cycle (power level). It just gets you into the ballpark.
I didn't see anything but since I'd starve around here with a microwave I didn't put a lot of effort in besides the appliance parts places on the web. Home Depot (cash and carry, no delivery schedule to mess with) basically had only 3 in stock, 2 of the Magic Chef and one Panasonic for double the price. Since I plan on replacing the overhead one at some point soon, I just didn't see a reason to spend the money on the Panasonic (although it did have a sensor).
If you are bored mine is a JVM1653WH01 but I don't think it's wise to put that much money into a 16 year old unit. The control board for a similar vintage dishwasher that went out a couple years ago was fetching $150 and up, used. Being I replaced the whole thing with a brand new one for a little over $300 (and no interest for 12 months), whats the point.
One weird thing about that microwave which I mentioned once on chi.general, when you set the time, the first entry it wants is the month, day and year.
Now being there is no advanced timer like putting in a potato and telling it to cook it this saturday at 4pm (or a year from this saturday), you figure the mm/dd/yy would be for the daylight savings switch.
But no, even before they changed the dates for dst/std, it never would adjust the time by itself. Weird.
-bruce snipped-for-privacy@ripco.com
The vapor pressure of water rises very rapidly above 60 degrees C. So presence of vapor is a good indicator of the outside temperature of your food, even before the water starts to boil.
CH
Yep, but there's a little more to it. The 1978 Panasonic patent agrees that it's the surface temperature that's important. "Apparatus for controlling heating time utilizing humidity sensing" See "Description" section: ...it has been known to sense the temperature of the food or degree of heating by measuring the change of humidity which takes place as the food is heated. For example, in most foods, water included therein abruptly evaporates
large amount of water vapor appears in the oven. By detecting such change of humidity by a humidity sensor, the time at which the humidity abruptly changes can be
Further down the "Description" section, the patent explains how the
temperature. Apparently, the humidity sensor is only interested in a single point, where the air abruptly transitions from low humidity to
extrapolation. Crude, but effective.
Hmm, sort of shocked there wasn't a "fuzzy logic" spin on all of that in
1988 or whenever that annoying as hell fad came out.
That's a good point too. All the service tech microwave oven deaths in the US I'm aware of were people getting dead from the capacitor, with the unit off. apparently those caps are perfectly sized to just stop your heart. You'd get noticed about who croaked last in the trade bulletin/sales "newsletters" that got mailed out every few months.
No doubt if you were getting electrocuted off a running microwave, the fuse would never blow. I have a large transformer for what I'm told is an industrial microwave something device. The transformer doesn't even have shunts and outputs a full 4kV at a couple kW. It makes for one of the fiercest jacob's ladders I've thrown together.
Weird. Microwaves+? I think they rebranded Batteries+ into something equally weird like batteries and CFL bulbs and +. There was one in a strip mall on Clyborn by Armitage or someting like that.
Not trying to mess with you, but these sound easy enough to take care of with even random presses of the quick minute button. Going to try an "intelligent" mode for some frozen vegetables now in fact.
Check the prices for the "computer board" for the new washer. Probably $243 if you get a good price.
uss means-and-methods for doing pretty much anything at all in the hardest possible way, reaching for the least satisfactory results. And that include s reaching around the world for S.W.A.G., anecdotal experiences and arbitra ry suggestions.
If cost is an issue, then ... I don't know if I'm just hallucinating or not , but at the end of each calendar school year, many university and college dorms have small piles of ... wait for it ... microwave ovens (amongst othe r gadgets) piled high outside as students are moving out for the summer. I don't exactly see armed guards surrounding those piles.
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I don't know about anywhere else in the world, but in the U.S., there's a d ire warning of death with any product you buy, including a Happy Meal. Bec ause of the fear of lawyers, every product gets warning labels no matter ho w sill it is, so people are now conditioned to totally ignore warnings. Pi ck up a can of spray paint. The instructions take up 2/3 of the can, and 9 /10s of that is warnings of some type.
But yes, microwaves are uniquely qualified to end someone's life. To those who don't know, microwave ovens seem less dangerous than a TV or stereo re ceiver, so how could they hurt someone?
So, to anyone reading this that is thinking about repairing their microwave : BE CAREFUL. MORE THAN ANYTHING ELSE IN YOUR HOUSE, A MICROWAVE IS CAN KIL L YOU EVEN WHEN IT'S UNPLUGGED!
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dire warning of death with any product you buy, including a Happy Meal. Be cause of the fear of lawyers, every product gets warning labels no matter h ow sill it is, so people are now conditioned to totally ignore warnings. Pi ck up a can of spray paint. The instructions take up 2/3 of the can, and 9/
10s of that is warnings of some type.e who don't know, microwave ovens seem less dangerous than a TV or stereo r eceiver, so how could they hurt someone?
ve: BE CAREFUL. MORE THAN ANYTHING
Do the insurance folk have to pay benefits if non-licensed electricians for get to bleed capacitors?
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