Technical Data - wtw PhotoLab Spektral Operating Instructions Manual

Optical measuring principle
Light source
Dispersion element
Wavelength
-reproducibility
Photometric
-reproducibility
Warm-up time
Types of measurement
Cell filling height
Measuring range of absorbance
Drift correction
Rest drift without drift correction
Retrofitting of new methods
User-defined methods
Calibration line
Barcode recognition
Cell recognition
Dimensions
Single beam spectrophotometer;
Simultaneous recording of all wavelengths
Tungsten halogen lamp, premounted
Operational lifetime: typical 500 operating hours
Aberration-corrected concave lattice
Receiver 256 x photo diode array
-range 330 nm to 850 nm
± 0.3 nm
-accuracy
-resolution 10 nm
± 0.1 nm at an ambient temperature of ± 5 °C
0.001 A at 1.000 A
-resolution 0.001 A
Standard operation: 15 minutes
Kinetic measuring: 120 minutes recommended
Concentration (method dependent, selectable display form),
absorbance, transmission, color according to EN ISO 7880
minimum 20 mm
-0.300 A to 3.200 A
Balancing Permanently stored
Automatic on each SelfCheck
typical 2 mA/h at 525 nm (without AutoCheck, constant am-
bient temperature, after 120 min warm-up time)
Via Internet or MemoChip
Max. 99
Determination in user-defined methods
Kinetics Automatic measurement repetition with selectable interval
Spectrum Scaling automatic or freely selectable
Automatic selection of the method
Automatic recognition of the reagents lot
automatic
SelfCheck Test:
Memory, optics, electronic measured value recording, bar-
code recognition, cell recognition
Automatic calibration:
Electronic measured value recording, barcode recognition,
rectangular cell recognition
Time/Date Real-time clock in the photometer
H: 150 mm, D: 275 mm, W: 375 mm
Weight approx. 2.7 kg

19 Technical data

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