YSI 900 Chlorine Colorimeter - Manual (Page 21)

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ENGLISH
Operating Messages & error Codes
Operating messages
Measuring range exceeded or excessive turbidity.
Result below the lowest limit of the measuring range.
Replace batteries, no further tests possible.
Battery capacity is too low for the display backlight;
measurement is still possible.
A user calibrated method is indicated by a "Cal" symbol while the test result is dis-
played. (see "Factory calibration reset").
error codes by sample
Light absorption too great. Reasons: e.g. dirty optics.
Calibration factor "out of range"
Too much light reaching the detector. No light shield was used, or no reagent added.
Too much light reaching the detector.
Battery capacity was too low during measurement. Change battery.
CL 6: Factory calibration incorrect / erased
CL 6: User calibration incorrect / erased. Reset to factory calibration.
CL 10: Factory calibration incorrect / erased
CL 10: User calibration incorrect / erased
CL 2: Factory calibration incorrect / erased
CL 2: User calibration incorrect / erased
CL 8: Factory calibration incorrect / erased
CL 8: User calibration incorrect / erased
Battery Disposal
The 900 Chlorine Colorimeter is powered by alkaline batteries which the user
must remove and dispose of when the batteries no longer power the instrument.
Disposal requirements vary by country and region, and users are expected to
understand and follow the battery disposal requirements for their specific locale.
Hı
Lo
E 10 / E 11
E 20 /E 21
E 22
btLo
E 70
E 71
E 72
E 73
RESULT Cal
Store Date
Print Time
E 74
E 75
E 76
E 77
E27 / E28 / E29
E23 / E24 / E25