ESR-NMR-kontrollenhet (230 V, 50/60 Hz)

SKU: 1022700
Category
£979
Delivery: 9-13 working days 9-13 working days Out of stock
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      Description

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      Experimental topics that can be studied with the unit include:

      • Resonance absorption of a high-frequency oscillating circuit
      • Dependence of resonance frequency on magnetic fields
      • Resonant line widths
      • Electron and proton spin
      • Magnetic moment of atomic particles and nuclei
      • Determination of nuclear g-factors
      • Nuclear-spin tomography

       
       
      The ESR/ NMR control unit is used in conjunction with the ESR module (1022705) to investigate electron spin resonance (ESR) in DPPH (diphenyl picryl hydrazyl) and with the NMR module (1022706) to study nuclear magnetic resonance (NMR) in glycerine, polystyrene and Teflon. 
      Resonances can be observed as a result of transitions induced by high frequencies due to changes in an external magnetic field. Reso-nance absorption curves can be viewed using a simple dual-channel oscilloscope. 
      The control console provides control and pow-er-supply voltages for the test probe being used and for the pair of coils. It also provides a suitable signal for an oscilloscope and displays the value of the high-frequency signal in Hertz. 
      The ESR/NMR control unit numbered 1022700 is designed for 230 V/ 50-60 Hz (±10 %) mains voltage supplies, while 1022702 is for 115 V/ 50-60 Hz (±10 %).
       
       
      Equipment supplied:
      1 Control console
      1 Plug-in power supply, 12 V AC (230 V, 50/60 Hz)
       
      Technical data:
      Control console
      Probe input: 4-pin Lemo socket
      Coil connectors: Sawtooth current source, 0 − 250 mA, 50 ms, pair of co-axial connectors
      Magnetic field output: proportional to coil cur-rent, 0 to 1 V, BNC socket
      Signal output: Resonance signal, 0 to 1V, BNC socket
      Frequency range: 45 to 75 MHz approx.(ESR)
      11 to 15 MHz approx. (NMR)
       
      General data:
      Power supply: Plug-in power supply 12 V AC, 2.0 A, coaxial power connector 5.5 x 2,5 mm, cable length: 2m
      Operating temperature: 5 °C till 40 °C
      Maximum relative 
      humidity: 80 % 
      Dimensions: console 
      170x105x45 mm³
      Plug-in power supply
      100 x 90 x70 mm³
      Weight: approx. 1050 g incl. power supply
       
      Electromagnetic compability:
      Emission: EN 55011:2009
      Immunity: EN 61326-1:2013
       
      Electrical safety:
      Safety regulations:
                                  DIN EN 61010-1
                                  DIN EN 61558-2-6
      Transformer: safety transformer ac-cording to DIN EN 61558-2-6 
      Appliance class: 2
      Pollution severity: 2
      Type of protection: IP20
       
       
      Additionally required equipment:
      1 ESR module 1022705 
      or
      1 NMR module 1022706
      1 Digital oscilloscope, 2×30 MHz 1020910
      or
      1 PC Oscilloscope, 2x 25 MHz 1020857
      2 High-frequency cables 1002746
       

      Downloadable files

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