Buy BonJour Chef's Laser Probe Combo Surface and Internal Digital

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I've only had two days to play with this thermometer, but it certainly seems like a winner. The instructions are sometimes wrong with regard to how to operate the unit (you must press the _trigger_ and the up/down arrows to activate the laser/lcd backlight, not the _mode_ button and up/down), but once you figure it out you'll throw away the booket anyway. It does have high/low alarms (for emissive...not sure about the probe) and will do a high/low/average reading set.

I do not have a reliable way to determine whether the emissive temperature is accurate, but it appears to track closely with two of my other probe thermometers for cold-warm temperatures, and is in the right range for oven temperatures and, well, anything I could find to determine the temperature of. The probe seems equally accurate. Both are quick. The probe is comparable to my polder-look-alike, probably a bit faster to be honest. The emissive temp can be checked in a second or less, and can be set to continuously monitor (which would be useful with the alarms and the hold mode described below). When the probe is off, the unit sleeps after 60 seconds, with the probe on it will sleep after a few minutes. According to the manual, the unit will stay active for 1 hour with the "hold" mode engaged for continuous monitoring of emissive temps.

The laser is cute, but not really necesssary, as the sensitivity cone is 1:11, so at 11 inches away, the unit will read a 1" spot. Not really that hard to aim, and I would think the 1" parallax between the laser and thermal lens would cause error for really precise measurements.

The emissivity is adjustable over a very wide range. I believe you can set it as low as 0.10. The default is 0.95. Organics (per the manual) tend to be around 0.97 or 0.98, and it can be set as high as either 0.99 or 1.00 (not sure about the 1.00).

The unit seems sturdy, and the manual claims 140hrs continuous use on the 2 batteries. Obviously, having had it for two days I can't comment on battery life. Otherwise, its been a ball to play with.

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The probe worked well for the few times I used it but then it had an electrical problem where it flashed error messages and finally stopped working. I contacted the company and they told me there is no warranty. They said it is a "quality assurance" product which means it is guaranteed to work out of the box, but with no warranty after. Nothing like guaranteeing a product will work when you buy it. It would be funny but for the fact the probe is so expensive.

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I don't know what more you want from a thermometer. It is wonderful and I love having the probe on the same piece of equipment. I find that I use the infra red more than I expected (no more candy thermometers). It is highly accurated and has more features than I would ever use (it has various modes that would allow you to know Hi or Lo temp recorded plus others. I also have used it trouble shooting HVAC and the laser pointer (turns on or off) is nice when you are pointing to a register 20 feet away and want to ensure that you are capturing the correct temp.

It is fun. Highly recommend it.

p.s. the probe is a pivot function in that it does not FOLD out, but SWINGS out 180 degrees from its storage position. I suspect that this may not be as intuitive as some folks might like, but I have had no quality problems with this over the two-plus years that I have owned it.

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If you do any cooking and need to know hot hot the oil is or check on how done your roast or whatever is, this is a great addition to the kitchen. I also use it for various other things around the house, including checking the temperature of the bath water. I love using it when frying fish...heat up the oil, point the laser at it and you have the exact temperature needed. I think it could also be used around the house or car to check the temperature at your AC vents, or to see how well your windows or doors are keeping the heat or cold in or out. I am very pleased with the quality and figure this is the kind of product that you wouldn't want to "buy cheap". You can spend more money, however, for most things around the house, it's an excellent investment and looks solid enough to be around for many years. Nice product.

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The thermometer works pretty well. The probe was accurate within two or three degrees, and the infrared was accurate within two degrees. It's easy and fun to use. The only change I would suggest is that the probe would read the temperature quicker because it takes upwards of 10 seconds to get a stable reading.