Thermo Fisher Scientific TN100 Turbidimeter - Manual (Page 17)

Instruction Manual TN-100/ T-100
12
Measurement Procedure
1. Place TN-100/ T-100 turbidimeter on a flat and level surface.
2. Place the sample vial inside the sample well and align the vial’s index mark with the
meter’s index mark. See
Figure 10.
Figure 10: Align sample vial’s index mark with meter’s index mark
3. Push the vial until it is fully snapped in.
4. Cover the vial with the light shield cap.
5. Turn on the meter by pressing the
ON/OFF key.
6. After the power-up sequence, the meter
goes to measurement mode and the
display blinks “--Rd--“ for about 10 times.
See Figure 11.
7. The measured reading appears in the
display.
8. If necessary, place the second sample vial
into the sample well. Remember to align
the vial’s mark with the meter’s index
mark.
9. Press READ/ENTER key. The display
blinks “--Rd--“ for several times and
measured reading appears.
10. Repeat steps Error! Reference source
not found. through 9 for all of your
samples.
Align index mark on
the sample vial with
the index mark on
the TN-100/ T-100
turbidimeter and
push till it is fully
snapped in
IMPORTANT:
Place meter on a flat
and level surface.
DO NOT hold it on
hands while operating
the meter. It may lead to
inaccurate readings
Light shield cap for
covering the vial during
measurements
Figure 11:
Reading Turbidity Value
“-Rd-” flashes about
10 times
SAMPLE
Unknown
NTU
Place sample
vial into the
sample well
NTU
READ
ENTER
Measurement Mode