USER MANUAL
MI411
PRO Free & Total Chlorine
& pH Photometer
milwaukeeinstruments.com (USA & CAN)
milwaukeeinst.com
y
“no L”, the instrument can not adjust
the light level. Please check that the
sample does not contain any debris.
y
“L Lo”, there is not enough light to
perform a measurement. Please
check the preparation of the zero
cuvet.
y
“L Hi”, there is too much light to perform
a measurement. Please check the
preparation of the zero cuvet.
On sample reading
y
“-SA-”, there is too much light for the
sample measurement. Please check if
the right sample cuvet is inserted.
y
“Inv”, the sample and the zero cuvet
are inverted.
y
“ZErO”, a zero reading was not
taken. Follow the instruction in the
measurement procedure for zeroing
the meter.
y
Under range. A blinking “0.00”
indicates that the sample absorbs
less light than the zero reference.
Check the procedure and make sure
you use the same cuvet for reference
(zero) and measurement.
y
A flashing value of the maximum
concentration indicates an over range
condition. The concentration of the
sample is beyond the programmed
range: dilute the sample and re-run
the test.
BATTERY REPLACEMENT
Battery replacement must only take place in a non-
hazardous environment.
Simply rotate the battery cover on the back of the meter.
Detach the battery from the terminals and attach a fresh 9V
battery while paying attention to the correct polarity. Insert
the battery and replace the cover.
ACCESSORIES
MI504-100
Free & Total Chlorine reagent set (100 tests)
MI509-100
pH reagent (100 tests)
MI511-100
Free & Total Chlorine and pH reagent set (100
tests)
MI0001
Glass cuvets (2 pcs)
MI0002
Caps for cuvets (2 pcs)
MI0003
Stoppers for cuvets (2 pcs)
MI0004
Tissue for wipping cuvets (4 pcs)
MI0005
9V battery (1 pc)
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.
Disposal of waste batteries.
This product
contains batteries. Do not dispose of them with
other household waste. Hand them over to the
appropriate collection point for recycling.
Please note: proper product and battery disposal 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
These instruments are warranted against defects in materials
and manufacturing for a period of 2 years from the date of
purchase. 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.
ISTMI411 07/20-1
SATISFACTION
GUARANTEED
MI411
PRO F
ree & T
otal C
hlorine
& pH P
hotome
ter
