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Waters 474 Scanning Fluorescence Detector

 
Waters 474 Scanning Fluorescence Detector
Waters 474 Scanning Fluorescence Detector
 
Condition
Specification
Monochromator
Holographic concave diffraction grating (for both
excitation and emission)
Light source
150 W Xenon lamp
Wavelength range
200 to 700 nm (for excitation and emission). Can be set from 0 to 900
Spectrum band width
Excitation: 18 nm
Emission: 10, 18, or 40 nm (set on keypad)
Wavelength accuracy
±2 nm
Wavelength repeatability
±0.3 nm
Detector
Excitation: Photodiode
Emission: Photomultiplier tube
Second order filter
Automatically inserted into light path when Ex > 400 Nm
Flow cell
16 µL (standard) or 5 µL
Maximum flow cell pressure
16 µL: 145 psi (10 bar)
5 µL: 500 psi (34.5 bar)
Wetted surfaces
Synthetic silica, fluororesin, PEEK, stainless steel
SXS-316
Sensitivity
S/N for the Raman peak of water is 320 or above,
where Ex λ = 350 nm and time constant is 1.5 sec,
16 µL cell (Instruments shipped prior to June 1997,
S/N for the Raman peak of water is 200 or above)
Attenuation range (Recorder output)
Ten steps, including 1, 2, 4, 8, 16, 32, 64, 128, 256, S
Gain range
1, 10, 100, 1000
Response
Fast, Standard, Slow, and digital filter
Signal processing
Digital processing by A/D and D/A converters (with
surrounding temperature compensation circuits)
Outputs
• Recorder: 10 mV full-scale (can be inverted)
• Integrator: 1 V full-scale
• Marker output
• Leak output
Inputs
• Marker input
• Auto Zero input
• Program reset
Program functions
Time program with following variables:
• Wavelength change (excitation and emission)
• Gain
• Attenuation
• Wavelength scan
• Ex, Em Spectra
Wavelength scan functions
Manual and time program parameters:
• Time
• Interval
• Amplitude
• Memory location
• Ex, Em Spectra
Spectrum storage
Ten locations for both emission and excitation spectra
Self-test diagnostics
• Memory (ROM and RAM)
• DC power
• Excitation energy decrease
• Leak in cell
• Lamp use time
Lamp use timer
Internal timer for accumulating the total hours on the Xenon lamp
Ambient temperature
10 °C to 32 °C (50 °F to 90 °F) operation
10 °C to 60 °C (50 °F to 140 °F) storage
Relative humidity
20 to 80%, non-condensing

This refurbished Waters 474 Scanning Fluorescence Detector is really in great condition and is tested at SpectraLab Scientific.

A 90 day warranty is included. Multiple available.

We have special expertise on analytical equipment. We encourage you to contact us to speak with one of our expert and professional team members.

Thanks for looking and we look forward to hearing from you!
 
 
  Price: $3,680 USD
  INQUIRE/OFFER
 
  We will match prices with our competitors
  Please Call Us at Toll Free Number:
1-866-777-3688 Tel: 905-946-8066
 
Contact by email at:
info@spectralabsci.com


 

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