ESR basic unit

LD 51455
ESR basic unit
ESR basic unit

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This experiment/set up contains dangerous goods.
These are not available for online purchase.
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For experiments on electron spin resonance in conjunction with the ESR control unit (514 571) or the ESR adapter (514 56).

Technical data

  • Power supply: 12 V,175 mA
  • Frequency range of each coil:
    20 to 30 MHz approx.
    30 to 70 MHz approx.
    70 to 120 MHz approx.
  • Voltage at RF coil:
    approx. 6 Vpp (with respect to earth) at 20 MHz
    and max. amplitude setting
  • ESR signal:
    1 to 6 V approx. (frequency dependent)
  • Frequency divider: 1000 : 1
  • Frequency response for digital counter: TTL
  • Resonance meter current (DC):
    00 µA approx.
  • Frequency range of the passive
    resonant circuit: 10 to 50 MHz
  • Dimensions of the probe head:
    13 cm x 7 cm 4 cm
  • Stand length: 18.5 cm
  • Weight: approx. 0.7 kg

Scope of delivery

1 ESR probe head (variable high-frequency transmitter, frequency divider and low-frequency signal amplifier)
3 Plug-in coils for different frequency ranges
1 Measuring cable, for employing the unit as a resonance meter
1 Passive electric resonant circuit for investigating the dependence of the resonant frequency on the magnetic field
1 DPPH-probe (diphenyl-picryl-hydrazyl)

Additionally required

1 30011  4  Saddle base LD
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