171/172 Diode Array Detectors




Specifications

Wavelength 172 DAD: 190 - 610 nm
171 DAD: 190 - 720 nm
Wavelength Accuracy ± 1 nm
Repeatability <0.1 nm
S/N Ratio 172 DAD: <2*10E-05 AU
171 DAD: <3*10E-05 AU
Detection Type (pixels) 172 DAD: 512-element photodiode array
171 DAD: 256-element photodiode array
Drift Baseline Drift
<0.0005 AU/hour (254 nm, according to ASTM E685-93)
Wavelength Temperature Drift
172 DAD: <0.005 nm/°C
171 DAD: <0.006 nm/°C
Short Term Noise (signal/noise ratio) 172 DAD: <0.00002 AU (254 nm, according to ASTM E685-93)
171 DAD: <0.00003 AU (254 nm, according to ASTM E685-93)
Flow Cells
The following quartz flow cells are available:
Flow Cell Pathlength Volume Pressure
Analytical 5 mm 12 µL 500 psi (34.5 bar, 3.45 MPa)
Preparative 0.05 mm 0.16 µL 500 psi (34.5 bar, 3.45 MPa)
Preparative 0.2 mm 0.7 µL 500 psi (34.5 bar, 3.45 MPa)
Light Source Deuterium and tungsten lamps (2000 hours expected lamp life)
Remote Flow Cell Optional
Resolution 172 DAD: 0.8 nm/pixel
171 DAD: 2.2 nm/pixel
Lamp Warm-up Time 15 – 30 minutes
Front Panel POWER/STANDBY soft key and LED indicator lights for POWER, UV, VIS and ERROR
Contact Control Two open collector outputs and two contact inputs
Software Control Computer control via Ethernet communication and TRILUTION® LC Software
Data Acquisition Between 5 and 10 points/sec with TRILUTION® LC Software
Environmental Conditions For indoor use only
Altitude: 2000 m
Temperature: 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
Safety Approvals/EMC Compliance Certified to UL, CSA, CE, and C-Tick Safety and EMC standards
Fuse Two 5 x 20 mm “T” type 1.6A
Power Requirement Frequency: 50 - 60 Hz
Voltage: 100 – 240V
100W
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 172 DAD: 7.3 kg (16 lb)
171 DAD: 6.8 kg (15 lb)