SPECIFICATION Optics ???????LEDs, interference filters (IF) and photo sensor in transparent sample chamber. ??????????Depending on the version, up to 3 different interference filters are used. ??????????Wavelength specifications of interference filters: ??????????430 nm ? ? = 5 nm ??????????530 nm ? ? = 5 nm ??????????560 nm ? ? = 5 nm ??????????580 nm ? ? = 5 nm ??????????610 nm ? ? = 6 nm ??????????660 nm ? ? = 5 nm Wavelength Accuracy? ? 1 nm Photometric Accuracy ?3% FS (T = 20?C - 25?C) Photometric Resolution 0.01 mg/l Power Supply ???? 4 AA batteries, capacity approx. 53 hours or 15000 tests (without backlight)
Auto - OFF ?????? automatic switch-off
Display ??????? backlit LCD (on keypress) Storage ??????? internal ring memory for 16 data sets
Interfaces ?????? Infrared interface for test data transfer Additional feature ???real time clock and date Calibration factory ?? calibration and user calibration. Reset to factory calibration possible Dimensions ??????190 x 110 x 55 mm (L x W x H) Weight ???????? basic unit approx. 455 g Environmental conditions Temperature: 5 - 40 ?C rel. humidity: 30 -90% (non condensing) Conformity ?????? CE; tested with standard solutions
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