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Manufacturer
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Gilson
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Model
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UV/VIS-155
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Autozero range
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Suppresses up to 1.0 AU with 5 mm flow cell installed
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Contact control
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Event and autozero inputs: remote contact closure can be activated by other instruments or the computer
Three channels output data to a recorder.
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Display
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Four-line display shows modes, parameters, commands and data (155 only)
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Drift
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After one hour at constant temperature: 3.0 x 10-4 AU/hour
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Short term noise (with air block installed)
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2.0 x 10-5 AU; 220 nm, short term, peak to peak 2.5 x 10-5 AU; 254 nm, short term, peak to peak 10.0 x 10-5 AU; 350 nm, short term, peak to peak 8.0 x 10-5 AU; 415 nm, short term, peak to peak 6.0 x 10-5 AU; 520 nm, short term, peak to peak 4.0 x 10-5 AU; 650 nm, short term, peak to peak The air block path length is set to 1cm.
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Environmental conditions
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Indoor use Altitude: up to 2000 m Temperature range: 5°–40°C Air pressure: 75–105 kPa Humidity: Maximum relative humidity 80% for temperatures up to 31° C, decreasing linearly to 50% relative humidity at 40°C
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Flow sensitivity
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4.0 x 10-4 AU for flow step of 2.0 mL/min to 0.5 mL/min with methanol
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Front panel
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LAMP ON/OFF hard key, LED indicator lights for POWER, UV, VIS, REMOTE, and ERROR (155 and 156) Six soft keys, HELP, ESC and CLEAR hard keys, arrow keys, numeric hard keys, and ENTER hard key (155 only)
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Lamp warm-up time
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15-30 minutes
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Lamps
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UV lamp: Deuterium, warranted for 750 hours or 180 days shelf-life Visible lamp: Tungsten/halogen lamp, warranted for 500 hours
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Linearity
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1%, when value is within sensitivity range of 0.001 to 2.0 AU
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Monochromator
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Dual beam, steppermotor-driven • Range: 190 to 700 nm • Spectral bandwidth: 9 nm • Setting accuracy: ±2 nm • Setting precision: ±0.2 nm
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Operating modes
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Single wavelength, dual wavelength, scan wavelength, status, setup, and file
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Peak width
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0.0 or 4.0 to 99.0 seconds
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Sensitivity range
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0.001 to 2.0 AU. Sensitivity is adjustable in increments of 0.001 AU.
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Software control
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Gilson TRILUTION® LC Software
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Static RI sensitivity
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Methanol versus cyclohexane at 270 nm: 5.0 x 10-3 AU
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Temperature sensitivity
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3.0 x 10-4/°C for temperature change from 21° to 24°C
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Electrical requirements
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Frequency: 50 to 60 Hz Voltage: 100–240V Current rating: 1.5A for 100–120V or 1.0A for 220–240V
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Dimensions (W x D x H)
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10.4 x 17.1 x 6.2 in (26.5 x 43.5 x 15.6 cm)
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Weight
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19 lb (8.6 kg)
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