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Technical data
6
Technical data
Device
Optics
Wavelength trueness
Photometric accuracy*
Photometric resolution
Power supply
Operating time
Auto-OFF
Display
Memory
Time
Calibration
Dimensions
Weight
Ambient conditions
Water-tight
*measured with standard solutions
34
Two wavelengths, automatic wavelength selection,
colorimeter with direct measured value display
LEDs, interference filter (IF) and photo sensor at the
transparent sample chamber
Wavelength specifications of the interference filter:
530 nm Δλ = 5 nm
n
± 1 nm
3 % FS (Full Scale) (T = 20 °C ... 25 °C)
0.01 A (Absorption units)
4 batteries (AA/LR 6)
Approx. 53 h operating time or 15,000 measure‐
ments in continuous operation with background
lighting switched off
Automatic device switch-off 10 minutes after the last
key was pressed
Backlit LCD (upon pressing of a key)
Internal ring buffer for 16 data records
Real time clock and date
Fabrication and user calibration.
Return to the factory calibration possible.
190 x 110 x 55 mm (L x W x H)
Basic device approx. 455 g (with batteries)
Temperature: 5 ... 40 °C
rel. humidity: 30 ... 90 % (non-condensing)
analogous to IP 68 (1 hour at 0.1m); buoyant device
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