“ON/OFF” button: the LCD will show the
“OK 1” message for 1 second and then
returns to the normal mode. If using pH
4.01 or 10.01 (or 9.18) buffer for the first
calibration point, the meter will exit the
calibration mode after recognizing the
buffer value and showing the “OK 1”
message for 1 second.
• To quit the calibration procedure and
return to the last data, press “ON/OFF”
after entering the calibration mode and
before the first point is accepted. The
secondary LCD shows the “ESC”
message for 1 second and the meter
returns to the normal mode.
• To clear a previous calibration and
reset to the default value, press the
“SET” key after entering the calibration
mode and before the first point is
accepted. The secondary LCD shows
the “CLR” message for 1 second, the
meter resets to the default calibration
and the “CAL” tag on the LCD
disappears.
TAKING ORP MEASUREMENTS
•
Remove the protective cap and
immerse the electrode in
MA9016
cleaning solution for a few minutes.
• Select the ORP (mV) mode with the
“SET” key.
• Place the probe into the sample to be
tested, stir gently and wait for reading
stabilization (the clock symbol on the
LCD disappears).
Note
: The ORP range is factory
calibrated. Contact your dealer for
recalibration, if needed.
Note
: ATC tag turns off because the mV
readings are not temperature
compensated.
BATTERY REPLACEMENT
The meter shows the remaining battery
percentage every time it is switched on.
When the battery level is below 5%, the
battery symbol on the bottom left of the
LCD lights up to indicate a low battery
condition.
The meter is also provided with BEPS
(Battery Error Prevention System), which
automatically switches the meter off if the
battery level is so low to cause
erroneous readings. It is recommended
to replace immediately the battery.
Turn the meter off,
remove the battery
compartment cover
from the rear of the
meter and replace the
rundown 9V battery
with a new one.
Install the battery
while paying attention
to its polarity and
reattach the cover.
WARRANTY
This instrument is warranted against defects in
materials and manufacturing for a period of two
years from the date of purchase. Probe is
warranted for 6 months.
If during this period the repair or replacement of
parts is required, where the damage is not due to
negligence or erroneous operation by the user,
please return the parts to either distributor or our
office and the repair will be effected free of
charge.
Damages due to accidents, misuse, tampering or
lack of prescribed maintenance are not covered.
ACCESSORIES
MA923D/1
Combination amplified
pH/ORP/Temperature
probe with DIN
connector and 1 m cable
M10004B
pH4.01 buffer solution,
20 ml sachet, 25 pcs.
M10006B
pH6.86 buffer solution,
20 ml sachet, 25 pcs.
M10007B
pH7.01 buffer solution,
20 ml sachet, 25 pcs.
M10009B
pH9.18 buffer solution,
20 ml sachet, 25 pcs.
M10010B
pH10.01 buffer solution,
20 ml sachet, 25 pcs.
MA9004
pH4.01 buffer solution,
230 ml bottle
MA9006
pH6.86 buffer solution,
230 ml bottle
MA9007
pH7.01 buffer solution,
230 ml bottle
MA9009
pH9.18 buffer solution,
230 ml bottle
MA9010
pH10.01 buffer solution,
230 ml bottle
MA9015
Electrode storage
solution, 230 ml bottle
MA9016
Electrode cleaning
solution, 230 ml bottle
M10000B
Electrode rinse solution,
20 ml sachet, 25 pcs.
SPECIFICATIONS
RANGE
-2.00 to 16.00 pH
-2000 to + 2000 mV
-5.0 to 105.0 ºC
or 23.0 to 221.0 °F
RESOLUTION
0.01 pH / 1 mV
0.1 °C or 0.1 °F
ACCURACY
(@25°C)
±0.02 pH / ±2 mV
±0.5°C up to 60°C;
±1°C outside
±1°F up to 140 °F; ±2°F
outside
TYPICAL EMC
DEVIATION
±0.02 pH / ±2 mV
±0.2 °C or ±0.4 °F
TEMPERATURE
COMPENSATION
Automatic, from -5 to
80°C
pH CALIBRATION
Automatic, 1 or 2-
point
ORP CALIBRATION
Factory
calibrated
PROBE (included) MA923D/1
amplified
pH/ORP/temperature
probe
ENVIRONMENT
0 to 50°C; 100% RH
max.
BATTERY
1 x 9V alkaline
(included)
BATTERY LIFE
approx. 500 hours of
use
AUTO-OFF
after 8 minutes of
non-use
DIMENSIONS
200×85×50 mm
WEIGHT
260 g (with battery)
(*)
The temperature range is limited to 80°C
(176°F) if using the
MA923D/1
probe.
