this one has option 1 the ultra stable accurate timebase which is a must if youre not going to use an external reference. the stock ones are not very stableI also have one without the opt 1 for 300$ less if you already have an external rubidium source. This unit is fully calibrated and comes with a calibration certificate and sticker
You are bidding on a HOBO U12 4 channel external input data logger. This has been tested and is in excellent condition and has a new battery. U12 Four Channel External Input Logger Onset HOBO Data Logger Accepts External Sensors for Temperature, AC/DC Voltage, AC Current, 4-20mA, and CO2
24" Cutter Plotter & 15 x 15 Heat Press & Lots stuffs * Equipment can be purchased anywhere. There are often many choices for suppliers of any particular brand and model. There may also be many different prices for the same product.
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