Milwaukee MW500 User Manual
SPECIFICATIONS:
MW500
RANGE ±1000 mV
RESOLUTION 1 mV
ACCURACY (@25°C) ±5 mV
TYPICAL EMC DEVIATION ±5 mV
ORP ELECTRODE MA921B/1 (included)
ENVIRONMENT 0 to 50°C, 95% RH max.
BATTERY TYPE 9V alkaline (included)
BATTERY LIFE approximately 300 hours of use
DIMENSIONS 143 x 80 x 32 mm
WEIGHT 220 g (with battery) meter only
Milwaukee
OPTIONAL ACCESSORIES:
M10000B Electrode rinse solution, 20 mL sachet (25 pcs)
MA9015 Electrode storage solution, 220 mL bottle
MA9020 200-275 mV ORP solution, 220 mL bottle
MA921B/1 Platinum ORP electrode with 1 m cable
WARRANTY:
This instrument is warranted from all defects in materials and manufacturing
for a period of two years from the date of purchase.
The electrode is warranted for a period of six 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 dealer or our office and the repair will be effected
free of charge.
Note: We reserve the right to modify the design, construction and appearance
of our products without advance notice.
ISTMW500 01/10
Milwaukee
MODEL: MW500
Smart ORP Meter
USER MANUAL
PORTABLE
ORP METER
OPERATION:
• The meter is supplied complete with a 9V battery. Slide off
the battery compartment cover located on the back of the
meter. Install the battery into the battery clip connector
while observing polarity.
• Always remove the electrode protective cap before taking
any measurement. If the electrode has been left dry, soak
the tip in storage solution for a few minutes to reactivate it.
• Connect the ORP electrode to the BNC socket on the top
of the meter.
• Immerse the tip (2.5 cm) of
the ORP electrode into the
sample.
• Turn the instrument on by
pressing the ON/OFF key.
• Allow the reading to stabilize
before taking measurements.
• After use, switch the meter
off and store the electrode
with a few drops of storage
solution in the protective
cap.
• The meter is factory
calibrated. ORP electrodes
are interchangeable and no
mV calibration is needed
when they are replaced.
• When not in use, the tip (reference junction) of the electrode
should always be kept moist and safe from any mechanical
stress.
BATTERY REPLACEMENT:
When the battery becomes weak the meter will display " ",
the low battery indicator. The battery has about 50 hours of working
time left. A low battery will result in unreliable measurements.
Prompt battery replacement is required.
Battery replacement must only take place in a non hazardous
area using an alkaline 9V battery.
Turn the meter off, slide the battery compartment cover located
at the rear of the meter off and replace the 9V battery with a
new one. Make sure the battery contacts are fully engaged in
the connector, seat the battery in its compartment and replace
the cover.
MAINTENANCE:
• The surface of the ORP electrode must always be clean.
Use M10000B rinse solution for this purpose. If needed,
clean the Platinum tip with very fine abrasive paper.
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