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VARIAN EM 360A H1 Observe Spectrometer
(Permanent Magnet)

MAIN FEATURES

  • Easy-to-use and Low Cost instrument.
  • Ideal for routine analyses or educational purpose.
  • Magnet with four wheels, Easy-to-move!
  • Resolution 0.5 Hz
  • Sensitivity 25:1
  • Magnet with temperature compensation to ensure field stability.
  • Wide range of sweeps (0.5 to 20 ppm).
  • 11 x 17-inch Y-T flatbed recorder.
  • Pneumatic sample handling.
  • Quick normalization of spectrum and integral amplitudes.
  • 14-KG permanent magnet (needs no cooling water).
  • Kit shipped with instrument (see list below).

TECHNICAL SPECIFICATIONS

PARAMETER VALUE
Observable Nuclei Hydrogen (Proton) Standard
H0 Field Strength 14.092 kG
H1 Rotating Field Frequency 60.0 MHz (for proton resonance)
Sample Size 5-mm O.D
Typical Sample Volume 0.4 mL
Resolution (Use ODCB 7th or 14th line). Under optimum homogeneity conditions, the full linewidth at half amplitude with a spinning sample is 0.5 Hz or better
Resolution Stability 0.6 Hz degradation/8 hrs without Autoshim control
Sensitivity Proton: sufficient to detect the average of the two peaks in the quartet of a 1% ethylbenzene sample with a S/N of 25:1 homogeneity, filter, and H1 conditions prevailing
Spinning Side Bands 2.5% or less than the center or main line peak height (measured at 50 rps)
Integration Reproducibility Using 5% ethylbenzene sample for five successive scans of the spectrum, the average deviation in total integral reproducibility should not exceed 2 %
System Stability (Short Term Field Stability)

Unlocked: 1 Hz /5 minutes at constant temperature

Average RF Field at Sample 0.005 to 0.5 milligauss, continuously variable
Field Offset Range -4 to +16 ppm, switch selectable in 1 or 2 ppm increments; also continuous 10 ppm (fine) and 40 ppm (coarse) controls
Modulation Frequency 10 kHz
Filter Time Constants 0.02, 0.05, 0.1, 0.2, 0.5, 1, 2, and 5 seconds, plus open position
Recorder and Sweep Unit Y axis Response: < 750 msec full scale
Linearity: 0.35%
Chart Size: 28cm x 42 cm (11''x16.5'')
Chart Calibration Accuracy:
1Hz at 600 Hz sweep width
Sweep Times 0.5, 1, 2, 5, 10, 20 min
Sweep Ranges 0.5, 1, 2, 5, 10, 20 PPM
End Of Sweep -4/+16 PPM
Ambient Temperature Range 18 C to 32 C with maximum variation of 3 C change over 24 hrs
Protection Fuse 1.5 A at 250 V
2.0 A at 115 V
Power Supply Line Voltage:        115 or 220 V, 50 or 60 Hz
Power:                 200 watts maximum (excluding air supply)
System Weight Magnet Gross Weight: 270 kg (600 pounds)
Console
Gross Weight
: 27 kg (60 pounds)
Dimensions Magnet: 28x30x31 inches (DxWxH) / (70x76x78 cm)
Control Console: 24.3x37x38 inches /
(62x94x96 cm) (including stand)

ACCESSORIES (Upon Request)

  • LOCK DECOUPLER EM 3630.
  • External Lock/spin decoupler accessory for double resonance.
  • AIR Pump
Original compressor + filter. Regulator, pressure indicator, muffler + fittings.
  • Kit coming with instrument
2 pen groommet & 1 pen holder
1 Anamag. Shim screwdriver
1 turbine 5mm
1 Manual Spectrometer System
100Sh. Chart Paper

 CONTACT FOR FREE  INFO AND QUOTATIONS: admin@labusednmr.com and/or rbpnmr@libero.it
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