GUIDE TO DISPLAY CODES:
This prompt appears for 1
second each time the instru-
ment is turned on.
The dashes “- - -” indicates
that the meter is in a ready
state and zeroing can be per-
formed.
Sampling In Progress. Flash-
ing “SIP” prompt appears each
time the meter is performing a
measurement.
“-0.0-”, the meter is in a ze-
roed state and measurement
can be performed.
The blinking "BAT" indicates
that the battery voltage is get-
ting low and the battery
needs to be replaced.
“-bA-”, the battery is dead and
must be replaced. Once this
indication is displayed, the
meter will lock up. Change the
battery and restart.
“Conf”, the meter has lost its
configuration. Contact your
dealer or the nearest Martini
Customer Service Center.
ERROR MESSAGES
On zero reading
• Blinking “-0.0-” indicates that
the zeroing procedure failed
due to a low signal-to-noise
ratio. In this case press
ZERO again.
• “no L”, the instrument can-
not adjust the light level.
Please check that the
sample does not contain any
debris.
• “L Lo”, there is not enough
light to perform a measure-
ment. Please check the
preparation of the zero cuvet.
• “L Hi”, there is too much
light to perform a measure-
ment. Please check the
preparation of the zero
cuvet.
On sample reading
• “-SA-”, there is too much
light for the sample mea-
surement. Please check if
the right sample cuvet is in-
serted.
• “Inv”, the sample and the
zero cuvet are inverted.
• “ZErO”, a zero reading was
not taken. Follow the instruc-
tion in the measurement pro-
cedure for zeroing the
meter.
• 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.
• A flashing value of the
maximum concentration in-
dicates an over range con-
dition. The concentration of
the sample is beyond the
programmed range: dilute
the sample and re-run the
test.
ACCESSORIES:
MI504-100 Free & Total Chlorine (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)
WARRANTY
This instrument is warranted against defects in mate-
rials and manufacturing for a period of two years
from the date of purchase.
If during this period the repair or replacement of parts
is required, where the damage is not due to negli-
gence or erroneous operation by the user, please
return the meter to either distributor or our office in
the original packing and the repair will be free of
charge.
Damages due to accidents, misuse, tampering or
lack of prescribed maintenance are not covered.
• Alkalinity above 250 mg/L CaCO
3
or acidity
above 150 mg/L CaCO
3
will not reliably
develop the full amount of color or it may
rapidly fade.
To resolve this, neutralize the sample with
diluted HCl or NaOH.
• In case of water with hardness greater
than 500 mg/L CaCO
3
, shake the sample
for approximately 2’ after adding the reagent.
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 atten-
tion to the correct
polarity. Insert the
battery and re-
place the cover.
ISTMI404 03/05
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