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

ESR-NMR Control Unit (230 V, 50/60 Hz), 1022700, ESR and NMR
ESR-NMR Control Unit (230 V, 50/60 Hz), 1022700, ESR and NMR
907.00
In stock

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, 2x30 MHz 1020910
or
1 PC Oscilloscope, 2x 25 MHz 1020857
2 High-frequency cables 1002746
 

Required

 
430.00 €
 
 
 
 
16.50 €
 
 
 
Item No.: 1022700
Weight 1.05 kg
Brand 3B Scientific
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