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China Wholesale Electron Spin Resonance Quotes – LADP-3 Microwave Electron Spin Resonance Apparatus – Labor

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China Wholesale Electron Spin Resonance Quotes – LADP-3 Microwave Electron Spin Resonance Apparatus – Labor Detail:

Experiments

1. Study and acknowledge electron spin resonance phenomenon.

2. Measure Lande’s g-factor of DPPH sample.

3. Learn how to use microwave devices in EPR system.

4. Understand standing wave by changing resonant cavity length and determine waveguide wavelength.

5. Measure standing wave field distribution in resonant cavity and determine waveguide wavelength.

 

Specifications

Microwave System
Short-circuit piston adjustment range: 30 mm
Sample DPPH powder in tube (dimensions: Φ2×6 mm)
Microwave frequency meter measurement range: 8.6 GHz ~ 9.6 GHz
Waveguide dimensions inner: 22.86 mm × 10.16 mm (EIA: WR90 or IEC: R100)
Electromagnet
Input voltage and accuracy Max: ≥ 20 V, 1% ± 1 digit
Input current range and accuracy 0 ~ 2.5 A, 1% ± 1 digit
Stability ≤ 1×10-3+5 mA
Strength of magnetic field 0 ~ 450 mT
Sweep Field
Output voltage  ≥ 6 V
Output current range 0.2 ~ 0.7 A
Phase adjustment range ≥ 180°
Scan output BNC connector, saw-tooth wave output 1~10 V
Solid State Microwave Signal Source
Frequency 8.6 ~ 9.6 GHz
Frequency drift ≤ ± 5×10-4/15 min
Working voltage ~ 12 VDC
Output power > 20 mW under equal amplitude mode
Operation mode & parameters Equal amplitude
Internal square-wave modulationRepetition frequency: 1000 HzAccuracy:   ± 15%Skewness: < ± 20
Waveguide dimensions inner: 22.86 mm × 10.16 mm (EIA: WR90 or IEC: R100)

 

Parts List

Description Qty
Main Controller 1
Electromagnet 1
Support Base 3
Microwave System 1 set (including various microwave components, source, detector, etc)
DPPH Sample 1
Cable 7
Instructional Manual 1

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