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Xray works best for metal detection with transmission but doesn't work by reflection and tissue, bone, plasma is relatively transparent but this is not wrokable. RF can detect metal but is also affe …

If accuracy is ±0.0030% of a 100mV range, ±0.0030% * 100 mV = ±0.00003 * 100 mV= ± 3 μV So if your example was 0.1 mV = 100 μV ± 3 μV Accuracy can be specified differently as a % of reading with …

The Earth's magnetic field is about 30uG at the equator and 60 uG at the poles. A small solar flare can cause 200uG. For RF measurements you must also consider the power and Bandwidth of your mag …

The accuracy of the frequency measurement can be made to better than 1% but I suspect the material measurement after repeated motions to the original position will most likely change > 50% in the relaxed …

There is a maximum BW spec for each DS1803 determined by the suffix. Adding a cap ought to suppress the pickup noise which may be getting rectified into a current and thus changing the high resistanc …

Yes it is a confusing schematic. THere are at least 3 poles on the rotary function switch which each have arrows to indicate the poles and the position on the DC connector changes to connect to the c …

With over a 70 dB dynamic range , it doesn’t matter what the theoretical resolution is, it will be limited by your ability to manage EMI to achieve a 70dB SNR full scale. That is not possible with twi …

It depends on your casual requirements and unspecified real requirements for relative and absolute error . You MUST be specific !! In more measurable tolerances. I suggest you use the 0.1% absolute LM …

If you have a scope probe with a 10:1 divider for BNC connector, you may connect directly to CH A use AC input mainly until low frequency cutoff (<100Hz) then switch to DC trigger adjust trigger …

Noise measurements depend greatly on the instrument measurement method. Results will change depending on setup for Acquisition Mode> Real-time, MemDepth and Sinx/x. … Thus your Zener noise is constant and measurement interpretation is incorrect. …

Size, shape, electrode contact area and surface contaminants will dominate any measurement with great uncertainty. Pure Quartz and Diamond are pure insulators with resistance like glass. …

There are thousands of ways and products to mix fluids and gases , titration pumps, pulse pumps digitally controlled, radial pumps, bubble control pumps for gases & medical, consumer, industrial, mil …

I came up with this simple idea for someone with no instruments other than a PC to use as a stop watch. Using NPO cermaic caps and small inductors, this is a fairly reliable oscillator that ought to …

Your book figure shows AC applied with secondary shorted will be the total winding resistance. With secondary it will open will be primary only. To measure resistance on AC only the real component o …

For audio range 20~20kHz use the Audio card with free software and make your own custom 10:1 probe with low inductance ground lead for coil spring 2 pin probe. Hopefully you have Line Input. ref …