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Waters 2420 ELS Detector

Waters 2420 ELS Detector
Waters 2420 ELS Detector
Waters 2420 ELS Detector
Waters 2420 ELS Detector




Optical bench with a heated (constant temperature of 50°C)

Light source

Polychrome tungsten halogen lamp, mounted on the front panel, set at the factory, can be installer user

The timer lamp

History of the lamps on the clock and the inclusion of being on the serial number

Calibration lamps

Sizing/normalization of photomultiplier tubes to compensate for  degradation over time


Photoelectric multiplier

Sizing FEU

Individually for each FEU, is via a built-in diagnostics

The range of stresses

0-1250 VDC

Normalization of lamps

Special diagnosis based on demand and when you turn adjusts the decline in output lamps


2 option completely replace the user, are mounted on the front panel, bezotvertochnaya construction, with heating

The flow elyuenta for high-speed spray of choice

From 300 to 3000 mkl per minute

The flow elyuenta for nizkoskorostnogo dispenser of choice

Between 50 and 500 mkl per minute

Temperature control dispenser

Heater 0-100%, the management of temperature


Nitrogen, minimum pressure 65 psi

Installed a gas pressure

From 3 to 60 psi, built in diagnostics to calibrate the sensor flow

Temperature range drift tube

Step 0,1°C, accuracy control 0,1°C

Maximum flow elyuenta

100% water with 3 ml/min, high speed spray

Set filers

Filter Hemminga, 0-5,0 seconds to move 0.1 seconds


24 keys


128h64 pixel, the backlight



RI Range

1.00 to 1.75 RIU

Measurement Range

5 x 10-4 RIU
7x 10-9  RIU

Flow Rate

0.1 to 10 ml/Min


+1.5 x 10-9  RIU, in RIU mode (Hamming filter TC = 2, ambient temperature 23 to 25°C
(+2°C/hr), 1 mL/min. 100% water.

+3.0x° RIU, in 410 mode (RC filter TC=1, ambient temperature 23 to 25°C (+2°C/hr), 1 mL/min. 100% water


2.0 x 10-7 RIU/hr

RIIU-FS Settings (RIU mode)

1.0 x 10 -6 to 5.0 x 10 -4 RIU

Sensitivity Settings (410 mode)


Time constant Filter Settings

0.0 to 5.0 seconds (Hamming)
0.0 to 10.0 (RC)
0.2, 1,3,10 seconds  (RC under software data control)

Analog Outputs

-2.0 to 2.0V

Temperature control

Internal oven: 30 to 55°C (86 to 131°F)
One external column heater:
Ambient to 150°C (302°F), steel

This refurbished Waters 2420 ELS Detector is in great condition. It has been tested at SpectraLab Scientific.

A 90 day warranty is included.

We are professionals. We encourage you to contact us tospeak with one of our expert and professional team. Thanks for looking and welook forward to hearing from you!

  Price: $9,950 USD
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