Manufacturing Standards
Meets applicable safety and EMC certification standards; UL and CE certified
Autozero Range
Suppresses up to 1.0 AU with 5 mm flow cell installed
Communication Interface
Event and autozero inputs; remote contact closure can be activated by other instruments or the computer. Three channels output data to a recorder.
Drift
After 1 hour at constant temperature: 3.0 x 10-4 AU/hr
Environmental Conditions
Indoor use
Altitude: up to 2000 m
Temperature range: 5–40°C
Air pressure: 75–105 kPa
Pollution degree: 1 or 2, in accordance with IEC 66
Humidity: Maximum relative humidity 80% for temperatures up to 31°C, decreasing linearly to 50% relative humidity at 40°C
Flow Cell Assemblies
The following quartz flow cells are available:
Analytical
Path (mm) 5
Volume (µL) 12
psi 500
Microbore
Path (mm) 2
Volume (µL) 1.6
psi 500
Preparative
Path (mm) 0.2
Volume (µL) 0.7
psi 500
Preparative
Path (mm) 0.05
Volume (µL) 0.16
psi 500
Flow Sensitivity
4.0 x 10-4 AU for flow step of 2.0 mL/min to 0.5 mL/min with methanol
Front Panel
Four-line display shows modes, parameters, commands, and data. Six soft keys and HELP, ESC, CLEAR, ENTER, numeric, and arrow hard keys (151/155 only). LED indicator lights for POWER, UV,VIS, REMOTE, and ERROR. LAMP ON/OFF hard key.
Lamps
UV lamp: Deuterium, warranted for 750 hours or 180 days
Visible lamp: Tungsten/halogen, warranted for 500 hours
Lamp Warmup Time
One hour maximum
Linearity
1%, when value is within sensitivity range of 0.001 to 2.0 AU
Monochromator
Dual beam, stepper motor-driven
• Range: 190–700 nm
• Spectral bandwidth: 9 nm
• Setting accuracy: ±2 nm
• Setting precision: ±0.2 nm
Noise with Air Block Installed
220 nm, short term, peak to peak, 2.0 x 10-5 AU/cm; 254 nm, short term, peak to peak, 2.0 x 10-5 AU/cm; 350 nm, short term, peak to peak, 10.0 x 10-5 AU/cm; 415 nm, short term, peak to peak, 8.0 x 10-5 AU/cm; 520 nm, short term, peak to peak, 6.0 x 10-5 AU/cm; 650 nm, short term, peak to peak, 4.0 x 10-5 AU/cm
Peak Width
0 and 4 to 99 seconds for single- or scan-wavelength mode; 4 to 99 seconds for dual-wavelength mode
Power Requirements
Frequency: 50–60 Hz
Voltage: 90–120 or 220–240V; mains voltage fluctuations not to exceed ±10% of the nominal voltage
Current rating: 1.0A for 90–120V, or 0.5A for 220–240V
Online switching regulation of line input from 80 to 260V AC
Sensitivity Range
0.001 to 2.0 AU. Sensitivity is adjustable in increments of 0.001 AU
Software Control
Via GSIOC or RS-232. You can issue commands to do the following:
• Select all detection parameters
• Program parameter changes during run to optimize detection
• Send digital detector output
Static RI Sensitivity
Methanol versus cyclohexane at 270 nm: 5.0 x 10-3 AU
Temperature Sensitivity
3.0 x 10-4/°C for temperature change from 21° to 24°C
Dimensions (w x d x h)
26.5 x 43.5 x 15.6 cm (10.4 x 17.1 x 6.2 in.)
Weight
8.6 kg (19 lbs.)
