Milwaukee MC125 User manual

USER MANUAL
MC125
PRO Digital pH/ORP
Controller
SPECIFICATIONS
pH ORP
Range 0.0 to 14.0 pH ±1000 mV
Resolution 0.01 pH 1 mV
Accuracy
(@25°C) ±0.2 pH ± 5 mV
Setpoint 4 to 8 pH -200 to 600 mV
Electrode
(included) MA911B/2 MA921B/2
Alarm & Output
Power Socket
active when measurement is
higher/lower than the setpoint
depending on user selection
Environment 0 to 50°C, 95% RH max.
Power Supply 12 VDC (included)
Power Drivers 115VAC, 2A, 60Hz or 230VAC, 1A, 50Hz
Dimensions 148.5 x 82.5 x 32 mm
Weight 200 g (meter only)
OPTIONAL ACCESSORIES
M10004B pH 4.01 buer solution, 20 ml sachet (25pcs)
M10007B pH 7.01 buer solution, 20 ml sachet (25pcs)
M10010B pH 10.01 buer solution, 20 ml sachet
(25pcs)
M10000B Electrode rinse solution, 20 ml sachet
(25pcs)
MA9015 Electrode storage solution, 20 ml sachet
(25pcs)
CERTIFICATION
Milwaukee Instruments conform to the CE
European Directives.
Disposal of Electrical & Electronic
Equipment. Do not treat this product
as household waste. Hand it over to the
appropriate collection point for the recycling
of electrical and electronic equipment.
Please note: proper product prevents potential
negative consequences for human health and the
environment. For detailed information, contact your
local household waste disposal service or go to
www.milwaukeeinstruments.com (USA & CAN) or
www.milwaukeeinst.com.
RECOMMENDATION
Before using this product, make sure it is entirely
suitable for your specific application and for the
environment in which it is used. Any modification
introduced by the user to the supplied equipment
may compromise the meter’s performance. For your
and the meter’s safety do not use or store the meter in
hazardous environment. To avoid damage or burn, do
not perform any measurement in microwave ovens.
WARRANTY
This instrument is warranted against defects in
materials and manufacturing for a period of 2years
from the date of purchase. Probe is warranted for
6 months. This warranty is limited to repair or free
of charge replacement if the instrument cannot be
repaired. Damage due to accidents, misuse, tampering
or lack of prescribed maintenance is not covered by
warranty. If service is required, contact your local
Milwaukee Instruments Technical Service. If the repair
is not covered by the warranty, you will be notified of
the charges incurred. When shipping any meter, make
sure it is properly packaged for complete protection.
We reserve the right to modify the design,
construction and appearance of our products
without advance notice.
ISTMC125_07_20
RoHS
COMPLIANT
SATISFACTION
GUARANTEED Distributor in AustraliaPacific Sensor Technologies Pty LtdUnit 4, 3 Neutron Place Rowville, VIC 3178 Australia1300 662 720 | [email protected]www.pacificsensortech.com.au

OPERATION
yConnect the supplied 12 VDC power adapter to the
meter and to the mains line.
yConnect the pH and ORP electrode to the BNC
socket of the meter.
yAlways remove the electrode protective caps
before taking any measurement. If the electrodes
have been left dry, soak the tip (bottom 2.5 cm)
in rinse solution (M10000B) for a few minutes to
reactivate them.
yMake sure that the meter has been calibrated
before taking any measurements (see Calibration
Procedure).
yImmerse the tip (2.5 cm) of the electrodes into the
samples.
yTurn the instrument on by pressing the ON/OFF key.
yAllow the reading to stabilize and the meter will
start continuous monitoring.
yA blinking alarm LED will indicate when the
measured pH value is higher or lower than the
setpoint depending on user selection.
yWhen the alarm LED is blinking, there is power in
the output power socket.
Note: The output power contact has no protection
fuse inside the meter. It is recommended to protected
it outside, against failure.
SETPOINT
yThe setpoint can be selected by adjusting the knob
to the desired value.
yThe selectable range for MC125 is from 4 to 8 for pH
and from -200 to 600 mV for ORP.
yThe nature of the setpoint can be selected by
setting the proper switch to the desired position
(ABOVE or BELOW).
CALIBRATION PROCEDURE
yRemove the protective cap from the pH electrode.
yImmerse the electrode tip into a new sachet of
pH 7calibration solution and allow the reading to
stabilize.
yAdjust the pH7 calibration trimmer (on the front) to
display “7.00 pH”.
yOpen a new sachet of pH 4 calibration solution and
use a small quantity to rinse the electrode.
yImmerse the electrode tip inside the pH 4 sachet
and allow the reading to stabilize.
yAdjust the pH4/10 calibration trimmer (on the front)
to display “4.00 pH”.
yThe calibration is now complete and the meter is
ready to take measurements.
yIt is suggested to recalibrate the meter at least once
a month, after prolonged warehousing time and
after pH electrode replacement.
INSTALLATION PROCEDURE