LEEM-16 Dielectric Constant Apparatus
Main experimental contents
1. measurement of vacuum permittivity e0 and relative permittivity er;
2. learning LC resonance method to measure small capacitance;
3. learning the use of digital oscilloscope.
Main technical parameters
|
Description |
Specifications |
| DDS signal generator | 4.3 inch LCD display, sine wave and square wave frequency 1μhz ~ 10mhz, signal amplitude 0 ~ 10vp-p, waveform signal offset and phase can be set, using digital keys and coding switch for adjustment. |
| Standard resistor | R1 = 1kω, accuracy 0.5%. r2 = 30kω, accuracy 0.1% |
| Standard inductor | L=10.5mh, accuracy 0.3% |
| Test plate specification | 297×300 mm, aperture: Φ4mm, span spacing: 19mm, 50mm and 100mm, etc., contact resistance less than 5mω, maximum current l0a, distributed capacitance 1.5pf. |
| Dielectric sheet to be tested | Ptfe and organic glass, φ40*2mm |
| Test accessories | 4mm banana plug cable, bnc to 4mm banana plug cable, toothpick, etc. |
| Vernier caliper | 0-150mm/0.02mm |
| Spiral micrometer | 0-25mm/0.01mm |
| Digital oscilloscope | Self-prepared |
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