Specifications - Thermo Scientific Accela PDA Hardware Manual

1
Introduction

Specifications

Specifications
Wavelength range:
Wavelength accuracy:
Digital wavelength resolution: 1.2 nm
Absorbance range:
*
Short-term noise :
*
Drift :
Warmup time:
Linearity:
Scan rate:
Diode array scan rate
Rise time:
Cell dimensions:
Cell pressure rating:
Diodes:
Diode spacing:
Light source:
Filter wheels:
Analog outputs (2):
Remote controls:
Dimensions:
Weight:
Power requirements:
Operating temperature:
Storage temperature:
Operating humidity:
Product certification:
*
According to ASTM E1657-98 "Standard Practice for Testing Variable-Wavelength Photometric Detectors Used in Liquid Chromatography"
8 Accela PDA Detector Hardware Manual
The specifications for the Accela PDA Detector are as follows:
190 nm to 800 nm continuous
±1 nm at 254 nm and 656 nm
2.0 AU to +4.0 AU, 20-bit resolution
≤ 6 μAU/cm (at 254 nm with a 50 mm LightPipe, a 1 mL/min flow rate (MeOH),
20 Hz diode array scan rate, 5 Hz data rate, 5 nm bandwidth, and 2 second rise time)
≤ 1 mAU/hour after warm up at 254 nm at a stable temperature (±1 °C)
90 minutes to meet noise and drift specifications
deviation ≤ 5% up to 2.0 AU at 256 nm
0.5, 1, 2, 4, 5, 10,, 40, or 80 Hz (user selectable)
20, 40, or 80 Hz (user selectable)
0.0, 0.02, 0.05, 0.1, 0.2, 0.5, 1, 2, 5, or 10 s (user selectable)
10 mm LightPipe flowcell or 50 mm LightPipe flowcell
1000 psi
512
1.2 nm
Deuterium and tungsten-halogen lamps, pre-aligned
Standard filter wheel: two-position wheel, one open position and one Holmium
oxide/perchloric acid-filled cuvette, NIST traceable. Optional linearity verification
wheel: five-position wheel, one with perchloric acid blank and four cuvettes with
different concentrations of potassium dichromate in perchloric acid, NIST traceable
20-bit digital/analog conversion, three outputs/channel scaled to 10 mV/AU,
100 mV/AU, or 1.0 V/AU
Start, Zero
18 cm (7.1 in.) × 36 cm (14.2 in.) × 47 cm (18.5 in.) (h × w × d)
19.5 kg (43 lbs)
100/115 or 230 V ac; 50/60 Hz, 200 VA max
+10 to +30 °C
- 40 to +70 °C
5% to 95% non-condensing relative humidity
CE, TUV-C/US, FCC (EMI)
Thermo Scientific