Sargent-Welch Pye Unicam

Pye Unicam 9423 179 39581 6-550 UV/VIS Spectrophotometer 115V 750W Sargent-Welch

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SKU:
35099
MPN:
9423 179 39581
Condition:
Used
Availability:
Usually ships within 1-2 business days.
Weight:
55.00 LBS
Shipping:
Calculated at Checkout
  • Pye Unicam 9423 6-550 UV/VIS Spectrophotometer – front three-quarter view showing sample compartment, wavelength control knob, and LED digital display
  • Pye Unicam 9423 UV/VIS Spectrophotometer – rear view showing ventilation grille, rear panel connectors, power entry, and warning label
  • Pye Unicam 9423 rating plate label showing Part Number 9423 179 39581, manufacturer Pye Unicam Ltd Cambridge England, Voltage 115, Frequency 60Hz, Max Power 750W
  • Pye Unicam 9423 rear power section with fuse holders FS2 1A, FS3 250mA, FS4 1A and lamp driver heatsinks visible
  • Pye Unicam 9423 rear panel detail showing FS1 fuse (3-15A 250V / 6-3A 110V), Deuterium Lamp on/off switch, SK9 Printer connector, SK2 Sample Changer connector, SK7 10mV and SK8 2V BNC outputs
  • Pye Unicam 9423 front panel close-up showing model label '6-550 UV/VIS Spectrophotometer', Sargent-Welch branding, mode/function controls, D2 Lamp indicator, BACKOFF knob, and LED numeric display reading 0.0.0.8
  • Pye Unicam 9423 sample compartment open view showing small custom vacuum chamber accessory with stainless fittings, tubing, and inlet/outlet ports
  • Pye Unicam 9423 internal transformer labeled K638106 with multi-tap primary winding connections for 110V, 120V, 200V, 220V, and 240V operation
  • Pye Unicam 9423 internal transformer K638106 – second angle showing tap terminals numbered 1 through 12 with multi-colored wiring harness
  • Pye Unicam 9423 internal view with top cover removed showing main PCB with IC components, monochromator/optical drive assembly, motor, and rear panel connector board
  • Sargent-Welch Pye Unicam 9423 179 39581 6-550 UV/VIS Spectrophotometer 750W
  • Sargent-Welch Pye Unicam 9423 179 39581 6-550 UV/VIS Spectrophotometer 750W
  • Sargent-Welch Pye Unicam 9423 179 39581 6-550 UV/VIS Spectrophotometer 750W
  • Sargent-Welch Pye Unicam 9423 179 39581 6-550 UV/VIS Spectrophotometer 750W
  • Sargent-Welch Pye Unicam 9423 179 39581 6-550 UV/VIS Spectrophotometer 750W
  • Sargent-Welch Pye Unicam 9423 179 39581 6-550 UV/VIS Spectrophotometer 750W
  • Sargent-Welch Pye Unicam 9423 179 39581 6-550 UV/VIS Spectrophotometer 750W
  • Sargent-Welch Pye Unicam 9423 179 39581 6-550 UV/VIS Spectrophotometer 750W
  • Sargent-Welch Pye Unicam 9423 179 39581 6-550 UV/VIS Spectrophotometer 750W
  • Sargent-Welch Pye Unicam 9423 179 39581 6-550 UV/VIS Spectrophotometer 750W
  • Sargent-Welch Pye Unicam 9423 179 39581 6-550 UV/VIS Spectrophotometer 750W
  • Sargent-Welch Pye Unicam 9423 179 39581 6-550 UV/VIS Spectrophotometer 750W
  • Sargent-Welch Pye Unicam 9423 179 39581 6-550 UV/VIS Spectrophotometer 750W
$350.00
Was: $700.00
Current Stock: 1

Sold Out

Description

Pye Unicam 9423 179 39581 6-550 UV/VIS Spectrophotometer 115V 750W Sargent-Welch

Benchtop UV/VIS spectrophotometer for absorption spectroscopy measurements. Operates across the 6–550 nm wavelength range using a deuterium lamp light source with LED digital readout.

Specifications & What's Included

  • Wavelength range: 6–550 nm (UV and Visible)
  • Power: 115V, 60Hz, 750W
  • Light source: Deuterium lamp
  • Display: LED digital readout
  • Connectors: SK9 printer port, SK2 sample changer port, SK7 10mV, SK8 2V
  • Includes small vacuum chamber accessory in sample test area

Applications

This instrument was used for UV-visible absorption spectroscopy in laboratory environments, supporting quantitative analysis of chemical solutions and materials characterization. The model accommodates external sample changers and printer interfaces for automated workflows. Historically deployed in research labs, quality control settings, and educational institutions for routine spectrophotometric measurements.

Condition: Used
This Pye Unicam 9423 6-550 UV/VIS Spectrophotometer has been inspected and is in good condition. The instrument shows normal wear consistent with lab use — some light scuffing on the housing panels. The sample compartment is open and accessible, and a small vacuum chamber accessory with stainless fittings is present in the sample area. The rear panel connectors (SK9 Printer, SK2 Sample Changer, SK7/SK8 BNC outputs) appear intact. Internal components including the main PCB and transformer are visible and show no obvious damage. Please view our photo set and contact us if you have any questions.
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Warranty Information

We stand behind every item we sell with a 30-day money-back guarantee. If your item arrives not as described, you may return it within 30 days for a full refund. Please inspect your purchase upon arrival and contact us with any questions.
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Additional Information

Brand:
Pye Unicam
Model:
9423 179 39581
MPN:
9423 179 39581
Secondary Model:
6-550
Type:
UV/VIS Spectrophotometer
SKU:
35099
Seller Notes:
Includes small vacuum chamber accessory in sample test area
Country/Region of Manufacture:
England
Form Factor:
Benchtop
Power Requirements:
115V, 60Hz, 750W
Voltage:
115V
Frequency:
60 Hz
Max Power:
750W
Wavelength Range:
6-550 nm
Spectral Range:
UV and Visible (UV/VIS)
Measurement Type:
Absorption Spectroscopy
Light Source:
Deuterium Lamp
Display Type:
LED Digital Readout
Interfaces / Connectors:
SK9 Printer port, SK2 Sample Changer port, SK7 10mV, SK8 2V
Fuse Rating:
FS1: 3-15A 250V / 6-3A 110V
Transformer Part Number:
K638106
Application:
UV-Visible absorption spectroscopy, laboratory analysis
Distributor Brand:
Sargent-Welch
Condition:
Used – Inspected
Condition Notes:
Pye Unicam 9423 6-550 UV/VIS Spectrophotometer. Inspected and in good condition. Normal lab wear on housing. Vacuum chamber accessory included in sample area. Rear connectors intact.
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