Lovibond CheckitDirect Mode D'emploi page 17

Technical Data – Operating messages
GB
Light source:
Battery:
Auto-OFF:
Ambient conditions: 5–40°C
CE:
To ensure maximum accuracy of test results, always use the reagent systems
supplied by the instrument manufacturer.
Hı
Lo
btLo
E 01
E 10 /E 11
E 20 /E 21
E 22
E 70
E 71
E 72
E 73
CheckitDirect COD_3b 05/2011
Technical Data
Lr-Range: LED, Filter ( = 430 nm)
Mr-/Hr-Range: LED ( = 605 nm)
9 V-block battery (Life approx. 600 tests, without display light)
Automatic switch off 7 minutes after last keypress
30–90% rel. humidity (non-condensing).
Certificate for Declaration of CE-Conformity
at www.lovibond.com
Operating messages
Measuring range exceeded or excessive turbidity.
Result below the lowest limit of the measuring range.
Replace 9 V battery, no further tests possible.
Battery capacity is too low for the display backlight;
measurement is still possible.
Error codes
Light absorption too great. Reasons: e.g. dirty optics.
Calibration factor "out of range"
Too much light reaching the detector
Battery capacity was too low during measurement. Change battery.
Lr: Factory calibration incorrect / erase
Lr: User calibration incorrect / erase
Mr: Factory calibration incorrect / erase
Mr: User calibration incorrect / erase
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