Resonance Instruments, Inc. is a manufacturer of scientific microwave products.
We
offer two versions of our Electron Spin Resonance Spectrometer: a
basic Model 8400, and a model with improved
sensitivity, Model 8410. We also offer a cyrogenic temperature
controller, Model MN82VT, as an accessory.
For those who
wish to build or customize their own ESR systems we offer a General Purpose ESR
Magnet Controller Model 8320A,
For the organic chemist and radiopharmecist we offer a
line of Instruments for Microwave
Accelerated Chemistry, Models 420, 510, 520B, and 521,
For those
who need a higher powered millimeter wave source, we offer
Microwave and Millimeter wave signal sources Model 707A,
and a high-voltage power supply for high output power millimeter
wave BWOs and clinotrons, Model 708.
Resonance Instruments also provides repair and upgrade services for Varian(tm) E3, E4, and Century series ESR - EPR Spectrometers and for Micro-Now Instruments products.
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For microwave chemistry there are the Models 510, 520B, and 521
Instruments for Microwave Accelerated Chemistry. The Model 510 is the bare bones model.
The Model 520B adds a micro-controller with keyboard input, LCD display and remote control
through an RS232 serial port. The Model 521 adds infrared temperature control
to the system.
Popular for radiolabelling applications with hot cells, the heart of
the device is its novel reaction cavity, 4 inch diameter by 1 inch high.
Here the reaction rests in a position optimized with respect to the cavity's
electric field so that substantially shorter time and lower power are needed
to accelerate reaction in small-volume samples. The reaction cavity may be located remotely
from the generator, typically up to eight feet.
The 520B and 521 are compatible with National Instruments LabView (tm) instrument control program.
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For the measurement of free radicals in organic and
inorganic media we offer the Model 8400, an
Electron Spin/Paramagnetic Resonance (ESR/EPR) spectrometer.
This is a table top sized instrument having micro molar sensitivity.
It sells at a fraction of the cost of other ESR spectrometers on the market. Because of its AUTO
TUNING feature its user friendliness is unparalleled.
Users who
require the highest sensitivity should ask about our Model 8410
;
only available on special order.
The 8400 is currently used in the United States and abroad at both industrial and academic sites.
The 8400 and 8410 are available with a Windows(tm) compatible operating program.
A temperature controller Model MN82VT allows for maintaining precise ESR sample temperatures. Included are a special quartz Dewar-insert sample holder, a stainless steel liquid nitrogen Dewar, and an N2 gas transfer system. The available temperature range is between -150 C to +100 C.
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For the general purpose control of magnetic fields, Resonance Instruments offers the Model 8320A Magnet Controller. Easily interfaced to most any electromagnet's power supply, the Model 8320A provides very high resolution 16-bit control. Four operating parameters Sweep Width, Field Center, Scan Time, and Number of Scans are selectable from the front-panel keypad or by RS232 serial interface from an external PC.
The Model 8320A provides precise control of a magnetic field by means of a feedback loop containing a temperature stabilized Hall sensor which continuously produces a voltage signal in direct proportion to the magnetic field. Regulation is provided by continuously monitoring this voltage and comparing it against the user-selected value.
The 8320A is available with a Windows(tm) compatible operating program.
The Model RI707A is an extremely versatile microwave-through-millimeter wave source. It covers the 2 - 100 GHz frequency range by means of internally installed oscillator modules. For users requiring extreme frequency precision and/or stability, the RI707A has provisions for phase-locking. Frequencies are selectable from the front-panel keypad or by RS232 from an external PC.
The Model RI708 High Power Millimeter Wave Source consists of a fully protected high voltage power supply designed for use with millimeter wave Backward Wave Oscillators and Clinotrons. Clinotrons are able to generate high power in the 56 - 510 GHz range.
Resonance Instruments has acquired the assets of the Micro-Now Instrument Company, including a limited parts inventory and their manufacturing and service manuals.
Resonance Instruments can provide repair and upgrade services on the Micro-Now 705, 705A, 705B, 705C, and 715 Millimeter Sweep Systems, the 756 Millimeter klystron power supply, and the 706 and 716 solid state sweep systems. We also occasionally have used instruments in stock
We can provide, on special order, Millimeter BWO, Carcinotron, Clinotron, Gunn Diode, Klystron, and Impatt sources and their companion power supplies.
We can also provide service on the Varian E3, E4, and Century series of ESR - EPR spectrometers.