Thermo Finnigan Surveyor PDA Detector

Specification

Wavelength Range

190 nm to 800 nm continuous

Wavelength Accuracy

±1 nm at 254 nm and 656 nm

Digital Wavelength Resolution

1.2 nm

Absorbance Range

2.0 AU to +4. AU, 20-bit resolution

Short Term Noise

≤ 6 μAU/cm at 254 nm for the 50 mm Light Pipe

Drift

≤ 1 mAU/h after warm up at 254 nm at a stable

temperature (±1 ºC)

Warm-up

90 min to meet noise and drift specifications

Linearity

deviation ≤ 5% up to 2.0 AU at 256 nm

Scan Rate

0.5, 1, 2, 4, 5, 10, or 20 Hz (user selectable)

Rise Time

0.0, 0.1, 0.2,0.5, 1, 2, 5, or 10 s (user selectable)

Cell Dimensions

50 mm, 10 mm LightPipe

Cell Pressure Rating

1000 psi

Diodes

512

Diode Spacing

1.2 nm

Light Source

Deuterium and tungsten-halogen lamps, pre-aligned

Filter Wheels

• Standard Filter Wheel: 2-position wheel, 1 open

position and 1 Holmium oxide/perchloric acid filled

cuvette, NIST traceable

• Optional Linearity Calibration Wheel: 5-position

wheel, 1 with perchloric acid blank and 4 cuvettes

with different concentrations of potassium dichromate in perchloric acid, NIST traceable

Analog Outputs (2)

20-bit digital / analog conversion, unattenuated at

10 mV/AU, 100 mV/AU, or 1.0 V/AU

Remote Controls

Start, Zero, RJ45 Ethernet interface for ChromQuest

Dimensions

18 cm (7.1 in.) × 36 cm (14.2 in.) × 47 cm (18.5 in.)

(h × w × d)

Weight

19.5 kg (43 lbs)

Power Requirements

100/115 or 230 V ac; 50/60 Hz, 200 VA max.

Operating Temperature

+10 to +30 ºC

Storage Temperature

– 40 to +70 ºC

Operating Humidity

5% to 95% non-condensing relative humidity