Where can I buy a decibel meter in Chicago?

Where can I find a great deal online for Extech 407730 40-to-130-Decibel Digital Sound Level Meter

Anyone know where I can buy DAT tapes in Chicago on short notice? I find myself out of media, and I'm doing a recording session this weekend, so there's no time to order online. Apparently nobody uses DAT anymore, but we do for now and it works well...

I'm putting together a stereo system that only needs to be able to play cassette tapes and vinyl records, because yes I am that much of a hipster. I have my speakers and turntable, and I just picked up a 1970s receiver with integrated cassette deck....

Is there a device or meter I can buy at Home Depot or Lowes that can tell me how much electric my electric furnace is using? I want to take the amount of KWH and multiply that by the rate I am paying. My house is half the size as my mother's who also...

I am having a terrible time working with my neighbor on noise coming from her apartment. She is constantly playing music. About a year and a half ago, she thought it would be a good idea to buy a surround sound system. Now all I hear is "boom"...

Best performance auto between $20K and $30K? I'm going to be buying a car this summer and want to pull upon the substantial knowledge and experience of the askmefi crowd to make sure I get the best bang for the buck. I'm looking in the 20K-30K range...

I want to buy a Tri-field Meter, but there are many to choose from! I was hoping to teach myself and my son about RF and EMF etc... here are the choices: "Fixed" (50hz or 60hz) - my region is 50hz "Flat" "Extended" "...