Hach-Lange REFO 3_REFO 3D - Manual (Page 3)

Operating Instructions REFO 3 / REFO 3-D
2
A Product Description
A1 Concise Operating Instructions
Calibration:
1. Put REFO on the working standard (remove cloth!)
2. Press key Meas/ON
3. Wait for display ok
Gloss Measurement:
1. Turn on REFO with key Meas/ON
2. Use the program key to select program P1
3. Use the angle selector key to set the measuring angle
4. Place REFO on the sample to measure
5. Press key Meas/ON (measuring value is displayed)
Difference Gloss Measurement:
1. Turn on REFO with key Meas/ON
2. Use the program key to select program P2
3. Use the angle selector switch to set the measuring angle
4. Place REFO on the reference
5. Press key Meas/ON to measure the reference value
6. Put REFO on the sample to measure
7. Press key Meas/ON to measure the difference
Three-Angle Measurement:
1. Turn on REFO with key Meas/ON
2. Select program P3 with the program key
3. Use the angle selector key to choose the first viewing angle to display, if requi-
red
4. Place REFO on the sample to measure
5. Press key Meas/ON and wait for the measuring to be displayed
6. Call the other measuring values with the angle selector key