2 photometry, Photometry – YSI pHotoFlex pH Handheld Colorimeter User Manual
Page 87
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pHotoFlex
®
pH
Technical data
87
ba76123e01
02/2013
7.2
Photometry
Optical measuring prin-
ciple
LED photometer with filter
Interference filter
436 nm, 517 nm, 557 nm, 594 nm, 610 nm, 690 nm
Accuracy:
± 2 nm
Photometric
reproducibility
0.005 or better
Photometric resolution
0.001
Warm-up time
none
Measuring time
approx. 2s
Measured parameters
Concentration (method dependent, selectable display form),
absorbance, transmission
Measuring range
Absorbance:
-0.200 ... +2.000
Transmission:
1 ... 150 %
User-defined programs
100
Resolution
Transmission
1.00 ... 9.99
0,01 %
10.0 ... 150
± 0.1
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