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 ELSD is in great condition. It has been 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.
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