LaMotte AT Visual Series Water Softener Demo Kit - Manual (Page 17)

17
TDS • CODE 5-0080 • Dual Range TDS Pocketester
BEFORE FIRST USE: Soak electrodes for a few minutes in alcohol to remove oils.
CALIBRATION
Use a calibration standard between 200 ppm and 1,900 ppm for low range testing.
Use a calibration standard between 1,900 ppm and 7,000 pm for high range testing.
See page 20 for suggested standards.
SETTING THE TDS FACTOR
This tester lets you select a TDS factor of 0.4 to 1.0. The preset TDS factor of 0.7 is recommended.
1. Open battery compartment. With meter on, press HOLD key, then press the INC key. (INC key is inside
battery compartment).
2. Press the INC or DEC keys to adjust the TDS factor.
3. After 3 seconds without a key press, the display fl ashes 3 times, then shows “ENT”. Tester accepts TDS
factor and returns to measurement mode.
4. Replace battery cap.
(To Be Done Once a Month)
Pour ½” to 1”
of a Calibration
Standard into 2
containers, and
tap or deionized
water into a third
container.
Open battery compartment lid (end
with lanyard loop). The two white
buttons are Increment (INC) and
Decrement (DEC) calibration keys.
Rinse electrode
in water. Then
rinse in fi rst container of
standard, then dip into
the second.
Press in INC or DEC keys to
adjust reading to match the
calibration standard value.
After 3 seconds without a key press,
the display fl ashes 3 times, then
shows “ENT”. The tester
accepts calibration value; returns to
measurements mode.
Replace battery cap.
Rinse the electrode in the
water and proceed with
test procedure.
1. 2. 3.
4. 5. 6.
Turn the meter on, and wait
several minutes
to allow the
display to stabilize.