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Waters 474 Scanning Fluorescence Detector

Waters 474 Scanning Fluorescence Detector
Waters 474 Scanning Fluorescence Detector




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


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



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


Fast, Standard, Slow, and digital filter

Signal processing

Digital processing by A/D and D/A converters (with

surrounding temperature compensation circuits)


• Recorder: 10 mV full-scale (can be inverted)

• Integrator: 1 V full-scale

• Marker output

• Leak output


• 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.

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!

Multiple available
  Price: $3,680 USD
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