Lovibond PoolDirect, Instruction And Operation Manual, Page: 64 / 78

64 PoolDirect 9in1_4i 11/2015
Measuring the absorbance
Press [MODE] [5] [1] keys in sequence.
Confirm with [ ] key.
Enter the required wavelength, e.g.: [2] for 560 nm.
The display shows:
Place a vial with the blank (e.g. deionised water) into the
sample chamber.
Press [Zero] key.
The display shows:
Place the vial with the coloured test solution into the sample
chamber.
Press [Test] key.
The result is shown in the display in mAbs.
1000 mAbs = 1 A (Absorbance unit)
Press [ESC] key to get back to wavelength selection.
Press [ESC] again to get back to mode menu.
Note:
1. It is not possible to print or store the test results.
2. Range: -2600 mAbs to +2600 mAbs
< Abs Measurement >
choose wavelength:
1: 530 nm
2: 560 nm
3: 610 nm
< Abs Measurement >
560 nm
prepare Zero
press ZERO
Zero accepted
prepare Test
press TEST
__ mAbs
2
Mode
5
1
Esc
Test
Zero