Hach REFO 3, Руководство по эксплуатации

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Operating Instructions REFO 3 / REFO 3-D
6

Input procedure as explained above

Press the angle selector key to finish your input
Now program P9 is finished automatically. The standard number is displayed during the
calibration procedure. The M- or D-mode is indicated by letter D or M. Both standard
numbers can be stored.
B3 Configuration
Program Selection
With the program key you can skip between the programs, i.e. every pressing the pro-
gram key switches to the next program. The following programs are at choice:

P1 Single-angle measurement

P2 Difference measurement

P3 Three-angle measurement

P7 Memory print (not for REFO 3)

P8 Standard check program

P9 Input of standard number and calibration values
The selected program is indicated on the display above the program key. Program P7
can only be selected if a printer is connected. Programs P8 and P9 can only be selected
with the instrument placed on the standard.
D- and M-Modes (for REFO 3D only)
REFO 3D has two working areas. D-mode is meant for DIN-measurements and M-mode
for high-gloss measurements. REFO 3D selects the correct mode automatically after
calibration. In D-mode standard A is used for calibration, in M-mode the metal standard
is used. The current mode is indicated during the calibration by letter D or M before the
standard number.
C Applications
C1 Calibration
It is recommended to calibrate at least once a day or after extended breaks. Before start-
ing to calibrate make sure that the standard is clean and the cloth removed.
The calibration is performed as follows:

Put REFO on the standard

Turn on REFO with key Meas/ON

Press key Meas/ON
During the calibration, the display reads *Cal* or M-Cal (for metal standard)
Wait for ok display
Calibration is only possible with one of programs P1-P3 set. The system recognizes D-
or M-mode automatically and shows it on the display before the standard number.