• Chemical & Biomolecular Engineering
• Chemistry
• College of Liberal Arts & Sciences

VARIAN UNITY 500

The specifications from the manufacturer's quote are given below. NOTE: Only the console specifications are given, as the magnet was part of a General Electric GN500 spectrometer.

UNITY 500 NB NMR CONSOLE

1. UNITY� 500 NB High-Resolution FT NMR Console:
   • Channel 1: Fully broadband (6-530 MHz) rf source with 0.5� phase shifts
   • Channel 2: Fully broadband (6-530 MHz) rf source with 0.5� phase shifts
   • Channels 1 and 2 are capable of observe or decouple functions
   • 64-dB computer controlled attenuation of the rf input provided for channels 1 and 2
   • System amplifiers: 50-W ¹H/¹⁹F linear amplifier, 300-W broadband linear amplifier
   • ²H fully automatic internal lock
   • 25-ns resolution pulse sequence controller
   • 16-bit ADC, 100-kHz spectral width
   • 2-Mbyte 32/16-bit acquisition computer and intelligent host interface
   • Automation of lock, shim, phase, gain, sample spin, and eject/insert
   • UNITY^� worktable
   • High stability variable temperature unit (-150°C to +200°C computer controlled, and 0.1°C temperature stability from -4°C to 60°C, preconditioning of laboratory air supply may be required
   • VNMR host and acquisition software and licenses.
   • Does not include Sun host computer
   • THIS IS A REFURBISHED UNIT AND SUBJECT TO AVAILABILITY
     Used Unit and Sold As Is
2. Magnet Refurbishment (Includes Seal Replacement):
   Upgrade of magnet to UNITYplus/UNITY INOVA compatibility. Includes field mapping, Cryo-seals, and 'J' brackets
3. Enhanced Shims:
   23 channel shims and shim supply
4. Antivibration System:
   Contains support legs with air cushions. Designed for optimal isolation of the magnet from floor vibrations. Compatible with the SMS Autosampler.
5. WALTZ Modulator
6. Programmable Pulse Modulator for First Channel:
   The designated channel must be broadband
7. Programmable Pulse Modulator for First Channel:
   The designated channel must be broadband
8. Pulsed Field Gradient Module:
   Includes PFG amplifier (provides 30 gauss/cm with Varian PFG probes).
   Upper barrel compatible with PFG probes and all standard liquids probes (PFG probe is not included)
9. Computer Controlled Switching for Indirect Detection, parts only