Technical Data; Operating Messages; Error Codes - Lovibond CheckitDirect Mode D'emploi

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_Cl_Vario_pH_2b 05/2011

Technical Data

LED, Filter ( = 528 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.
CL (PP): Factory calibration incorrect / erase
CL (PP): User calibration incorrect / erase
pH: Factory calibration incorrect / erase
pH: User calibration incorrect / erase
29