Product Description
EG&G 1229 Spectrograph and 1453 Detector – UV-Vis Spectroscopy System with Premium Jarrell-Ash Grating
This used EG&G PARC system consists of a Model 1229 Spectrograph coupled with a Model 1453 Detector, forming a complete optical multichannel analysis (OMA) system for UV-Vis spectroscopy applications. This particular unit features a premium Jarrell-Ash interferometrically ruled precision grating, offering exceptional spectral resolution and performance.
EG&G PARC (Princeton Applied Research Corporation) was a legendary manufacturer of scientific instrumentation, particularly known for their Optical Multichannel Analyzer (OMA) systems that revolutionized spectroscopy in the 1970s-1990s. Their instruments were standards in research laboratories worldwide.
Premium Jarrell-Ash Grating Details
| Grating Parameter | Value |
|---|---|
| Manufacturer | Jarrell-Ash |
| Catalog No. | 985-41-39-18 |
| Serial No. | 1510 |
| Groove Density | 300 grooves per mm |
| Blaze Wavelength | 300 nm |
| Ruling Method | Interferometrically ruled precision grating |
Jarrell-Ash was renowned for producing some of the finest diffraction gratings in the world. Their interferometrically ruled gratings represent the highest level of precision available, providing:
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Exceptional wavefront flatness
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Minimal scattered light
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High diffraction efficiency
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Excellent spectral resolution
The 300 nm blaze optimizes this grating for UV and visible spectroscopy applications.
About the EG&G 1229 Spectrograph
The Model 1229 spectrograph was designed for use with EG&G’s OMA detector systems. It features:
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Compact design for benchtop use
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Interchangeable gratings for different spectral regions
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Adjustable slits for resolution control
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Direct coupling to OMA detectors
About the 1453 Detector
The Model 1453 detector is part of EG&G’s OMA detector family. While specific specifications for the 1453 are limited, it is likely a:
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Silicon photodiode array (PDA) or
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Intensified diode array for low-light applications
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UV-Vis sensitive detector for spectroscopy
System Capabilities
| Parameter | Details |
|---|---|
| Spectral Range | Optimized for UV-Vis (grating blazed at 300nm) |
| Resolution | Determined by slit width and detector pixel size |
| Grating | 300 grooves/mm, 300nm blaze – Jarrell-Ash precision |
| Detector | EG&G 1453 (multichannel array) |
| Applications | UV-Vis spectroscopy, fluorescence, Raman, plasma diagnostics |
Applications
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UV-Vis Absorption Spectroscopy: Chemical analysis
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Fluorescence Spectroscopy: Emission measurements
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Raman Spectroscopy: Molecular fingerprinting
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Plasma Diagnostics: Emission monitoring
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Process Monitoring: Real-time spectral analysis
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Educational: Teaching spectroscopy principles
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Vintage Instrument Collection: Preserving scientific history
System Components
| Component | Status |
|---|---|
| EG&G 1229 Spectrograph | Included |
| EG&G 1453 Detector | Included (attached) |
| Jarrell-Ash Grating | Included (installed) |
| Detector Controller | [Not included – requires external OMA controller] |
| Data Acquisition Console/Computer | [Not included] |
| Cables/Interconnects | [Not included unless specified] |
⚠ CRITICAL NOTE: This system includes the spectrograph and detector head only. It requires an external OMA controller (such as EG&G PARC Model 1460, 1461, or similar) and appropriate cables for operation. The detector cannot function without its dedicated controller.
Condition
SOLD AS IS
USED – SHOWS NORMAL LAB WEAR (scuffs, minor marks)
1453 DETECTOR: SENSOR CONDITION UNKNOWN – MAY HAVE AGED
JARRELL-ASH GRATING: INSTALLED – PRESUMED IN GOOD CONDITION
NO DETECTOR CONTROLLER INCLUDED – SYSTEM INCOMPLETE WITHOUT OMA CONTROLLER
NO CABLES OR ACCESSORIES INCLUDED
PICTURE MAY NOT MATCH PRODUCT
| Weight | 15.2 lbs |
|---|---|
| Dimensions | 14 × 14 × 14 in |
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