Milwaukee MI 404 User Manual

USER MANUAL
MI 404
Free & Total Chlorine
and pH Meter
Dear Customer,
Thank you for choosing a Martini product.
This manual will provide you with the
necessary information for the correct use of
the nstrument. Please read it carefully
before using the meter. This instrument is in
compliance with directives.
SPECIFICATIONS:
Range 0.00 to 5.00 mg/L Cl2Cl2
Resolution 0.01 mg/L (0.00-3.50 mg/L);
0.10 mg/L (above 3.50 mg/L)
Precision ±0.04 mg/L @ 1.50 mg/L
Light Source Tungsten lamp
Light Detector Silicon Photocell and 525
nm narrow band interfere-
nce filter
Method Adaptation of the USEPA
method 330.5 and Standard
Method 4500-Cl G.
Environment 0 to 50°C (32 to 122°F);
100% RH max.
Battery Type 1 x 9 volt
Auto-Shut off After 10' of non-use
Dimensions 192 x 104 x 52 mm
(7.5 x 4.1 x 2")
Weight 380 g
MEASUREMENT PROCEDURE:
1• Turn the meter on by pressing ON/OFF.
2• When the LCD displays
"- - -", the meter is ready.
3• Fill the cuvet with 10 mL
of unreacted sample, up to
the mark, and replace the
cap.
4• Place the cuvet into the
holder and ensure that the
notch on the cap is
positioned securely into the
groove.
5• Press ZERO and "SIP" will
blink on the display.
6• After a few seconds the display
will show "-0.0-". The meter is
now zeroed and ready for measurement.
7• Remove the cuvet. Open it.
8• Add the content of one packet of
reagent.
Use
MI526-100 for free chlorine or
MI524-100 for total chlorine
9• Replace the cap and swirl
gently for 20 seconds.
Reinsert the cuvet into the
holder and ensure that the
notch on the cap is
positioned securely into
the groove.
10• Wait 1 minute for free chlorine or 2,5
minutes for total chlorine and press
READ. In both cases "SIP" will blink
during measurement.
11• The instrument directly displays
concentration in mg/L of free or
total chlorine.
Interferences:
• Bromine (positive error)
• Chlorine dioxide (positive error)
• Iodine (positive error)
• Oxidized Manganese (positive error)
• Chromium (positive error)
• Ozone (positive error)