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ESR spectrometer - MiniScope MS 5000
ESR spectrometer - MiniScope MS 5000


Brand:Magnettech

Place of Origin:Germany

Model:MS 500

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ESR spectrometer - MiniScope MS 5000

Magnettech is a pioneer in the field of Electron Spin Resonance (ESR). Our benchtop MiniScope (MS 5000) ESR spectrometer is a research grade device with sensitivity and reliability for demanding applications in the field of ESR spectroscopy. 

Compact size

The ideal ‘everywhere’ spectrometer, can be handled by one person and it has a very low power consumption

397 x 262 x 192 mm
45 kg

Stability and Sensitivity

Outstanding sensitivity and magnetic field stability, extended data detection schemes

detection limit of  10 nM TEMPOL in water

Versatile options

Large collection of accessories for automization and specific measurements. Big collection of ESR glassware

autosampling for liquids, powders and solid samples


Higher Sensitivity than large sized EPR/ESR Spectrometers

Why buy an expensive mammoth sized ESR spectrometer when the benchtop MS5000 can do the same job?

This is accomplished by:

· The use of modern electronic design minimizes the entire electronics to the size of a small notebook. Combination of high frequency circuits for space application enable extraordinary signal to noise ratios.

· The use of a compact high performance rectangular resonator. This allows for a small magnet air gap and consequently a very compact magnet design. However, sample size up to 8 mm is standard.


Mechanical and Electronics concept

Very compact mechanical design - the entire electronics is based on a few tiny high- tech PCB boards including microwave integrated circuits. There is almost no wiring. This results in high reliability, easy maintenance and service and a very efficient assembly during production, allowing for a high cost effectiveness.

· The system has extensive automatic self- test and calibration facilities

· All accessories such as Autosampler, Sample cooling or heating systems, Goniometer and others are connected by a proprietary bus system and can be easily attached to the main ESR system at any time

· Universal power supply 110 V to 260 V, 50/60 Hz AC which meets world wide safety and EMV standards

· Maximum power consumption at highest magnetic field is 200 W and the stand-by power consumption between measurements is very low.

· The spectrometer is completely air- cooled, no water cooling is required

· Modern software (ESRStudio) for spectrometer Operation and Data Evaluation


RF System and Signal Channel

Saturation Enhanced ESR spectroscopy

ESR- signal intensities according to the individual saturation behavior of ESR- lines. This greatly helps to identify individual lines in complex ESR- spectra. At a given microwave power and temperature, heavily saturated lines exhibit large signals whereas unsaturated lines do not show up at all.

Signal Channel Dynamic better than 140 db.

This enables the detection of extremely weak lines as well as extremely strong lines in the same spectrum. No “amplification factor” or similar needs to be set before the measurement. 


Additional Features

· RF frequency counter

· Microwave power meter

· Maximum microwave power 100 mW, 60 db attenuation range 

· Fully automated Q factor measurement of resonator

· Ultra-fast and stable AFC, e.g. no effect of cooling liquid bubbles

· Magnetic field modulation 100 kHz, 1 mTpp down to 1 μTpp

· 10 kHz magnetic field modulation

· Second harmonic detection 

· “DC” ESR measurements without any modulation for measurements on spin systems with extremely long spin lattice relaxation (“rapid passage measurement”)

· Extremely low frequency magnetic field modulation of 5 Hz to 30 Hz for EDMR- measurements

· Automatic microwave- frequency re-adjustment of magnetic field, g- value representation of ESR spectra

· Transient measurements with time resolution down to 2 μs


Specifications for Flyer & Website  

Technical specification                    MS 5000                                                    MS5000X

Operating frequency                       X-band                                                      X-band

Sensitivity                                        8x 10 E9 spins/0.1 mT                               5 x 10 E9 spins/0.1mT(

Single to noise ratio                         600:1                                                        1000:1

Microwave power                            1 μW - 100 mW                                        1 μW -100 mW

Concentration sensitivity                 10 nM in PBS                                            better than 50 pM

Field sweep range                            0.7 T (7000 G)                                           0.7 T (7000G)

Field homogeneity                           ± 5 μT (within sample region                    ±5 μT within sample region

Field stability                                    1.0 μT/h                                                   1.0 μT/h

Sweep resolution (field and time)      250,000 points                                       250,000 points

Reference standard                          Integrated and motorized                          Integratedand motorized

Magnetic field range                        25 - 650 mT                                             -10 -650 mT ( wider field ranges on request))







Specifications for Flyer & Website  

Technical specification                    MS 5000                                                    MS5000X

Operating frequency                       X-band                                                      X-band

Sensitivity                                        8x 10 E9 spins/0.1 mT                               5 x 10 E9 spins/0.1mT(

Single to noise ratio                         600:1                                                        1000:1

Microwave power                            1 μW - 100 mW                                        1 μW -100 mW

Concentration sensitivity                 10 nM in PBS                                            better than 50 pM

Field sweep range                            0.7 T (7000 G)                                           0.7 T (7000G)

Field homogeneity                           ± 5 μT (within sample region                    ±5 μT within sample region

Field stability                                    1.0 μT/h                                                   1.0 μT/h

Sweep resolution (field and time)      250,000 points                                       250,000 points

Reference standard                          Integrated and motorized                          Integratedand motorized

Magnetic field range                        25 - 650 mT                                             -10 -650 mT ( wider field ranges on request))



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