This is an acceptionally hard question, but i guess that if you ask nicely and show them the camera and maybe open it up? just an idea.
You should always check for pipes by hand, many pipes are PVC and will not show up on a metal detector.
Only if the mercury is in large concentrated amounts.
The Hand Held Meter Detector will work with all metals, although some may prove to be more troublesome than others.
Some people use them at the beach to find loose change or anything else metal that someone may have lost.
who invited the first hand-held camera?
The Hand Held Meter Detector will work on batteries, as long as you connect each lead to the battery correctly.
Since gold is a metal (precious) you can of course detect it with a metal detector. But only if it isn't tuned to ignore gold. since every metal has a different phase response metal detectors with discriminators can be tuned to ignore certain metals.
Yes the Sony dcr dvd201 camera is a good hand held video camera. It has a lot of great customer reviews and is highly rated.
The following website http://www.amazon.com/Innotek-Corporation-Handheld-Gas-Detector/dp/B000IKNRYS is a great reliable brand of carbon monoxide hand held detectors
Yes they do. I once forgot to stow my spare batteries for my camera and left them inside my trousers. They set off both the scanner and wand. I held out the batteries and security frisked me with the wand to make certain.
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Yes, there are both hand held and mounted gas detectors available. The hand held device runs around $18 from amazon.com. To mount one, it would could between $55-125.