Waters

Waters 2420 ELS Detector

Item Specification
Optics 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
Detector 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
Nebulizer 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
Gas 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
Keyboard 24 keys
Display 128h64 pixel, the backlight

Condition Specification
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
Noise +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
Drift 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) 1,2,4,8,16,32,64,128,256,512,1024
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.