21
20
From measurement mode:
1.
To select the desired measuring range,
press the RANGE key while in
Conductivity measurement mode.
The first range will appear on the
display. The “MEAS” indicator blinks,
and the “Range” number flashes briefly
in the lower display.
Range
Conductivity:
TDS:
R1
0.00-19.99 µS
0.00-9.99 ppm
R2
0.0-199.9 µS
10.0-99.9 ppm
R3
0-1999 µS
100-999 ppm
R4
0.00-19.99 mS
1.00-9.99 ppt
R5
0.0-199.9 mS
10.0-199.9 ppt
See figure
2.
Press the RANGE key again (if needed)
until desired range is selected.
3.
To reselect the Auto-ranging function,
repeatedly press the RANGE key until
the “MEAS” indicator appears without
blinking.
Using manual ranging function: conductivity/TDS
When shipped from the factory, your meter automatically selects the range in which
your readings appear. The manual ranging function lets you select the specific range
in which you want to work.
READY
MEAS
C
µ
S
ATC
A
A
Notes
This meter will not let you manually select a range in which the reading will be
overrange.
The meter resets to the Auto-ranging function once it is turned off. You will
have reset the manual ranging function each time you turn the meter off.
5.4
From measurement mode
1.
Press the Mode key
to select
conductivity measurement mode.
2.
Press Setup key
to enter Set Up mode.
3.
Press the
▲
and
▼
keys
to scroll through
subgroups until you view parameter P7.0.
See figure
4.
Press the ENTER key
three times to
select parameter 7.3. The upper display
shows “ATC” and the lower display
shows “P7.3”.
See figure
5.
Press the ENTER key again.
The upper
display shows “ATC” and the lower
display shows “YES” or “NO”.
6.
Press the
▲
and
▼
keys
to select the
Automatic Temperature Compensation
off.
• YES = ATC on
• NO = ATC off (manual compensation)
See figure
7.
Press the ENTER key
to confirm
selection and to return to the subgroup
menu. Press the CAL/MEAS key to
return to measurement mode.
Note that the ATC indicator no longer
appears on the display.
Go to page 22 to select a manual tempera-
ture compensation value.
Selecting manual temperature compensation:
conductivity or TDS
For manual temperature compensation in conductivity or TDS mode, you must:
1. Deactivate the temperature element built into the conductivity/TDS probe.
2. Select a manual temperature compensation value (see page 22).
You can deactivate the temperature element (select manual temperature compensa-
tion) in Set Up Program P7.3.
A
B
C
mS
SETUP
µ
S
ppt
ppm
ATC
SETUP
C
ATC
SETUP
C
ATC
SETUP
C
A
B
C
5.5
