190 821
250 reagent tests,
1 pack of 250 reagent tests acc. to DPD1
DPD1
250 reagent tests,
1 pack of 250 reagent tests acc. to DPD1
190 823
Kit DPD4
+ 1 pack of 250 reagent tests acc. to DPD3
(DPD4 obtained by DPD1 + DPD3)
190 839 Test tubes
Pack of 2 glass test tubes with cap, for
photometer MW
Code Reference Designation
MES
190-11
/1
POCKET PHOTOMETERS
MW line
28-04-2016
190 M1 11 D
Instructions manual
Instructions manual
Pocket photometers
MW line
FREE CHLORINE MEASUREMENT (MW-10)
Turn the meter ON by pressing the button. After
all segments are displayed,
“C.1”
,
“Add”
appears
with "Press" blinking, the meter is ready.
Fill the test tube with
10 mL
of unreacted sample
and tap it with the cap. Place it into the tube
holder and close the meter cap.
Press the button. When the display shows
“Add”
,
“C.2”
with
“Press”
blinking, zero is
calibrated.
Remove the test tube, open it and add the
content of one
DPD1
reagent test. Replace the
cap and shake gently for 20 seconds. Replace
the tube into the meter.
Wait for 1 minute and then press and hold the
button until the timer is displayed on the LCD.
The instrument directly displays the concentration
of free chlorine in ppm. The meter automatically
turns off after 10 seconds following the measu-
rement display.
PACK CONTENT
Each photometer is supplied with:
• 2 test tubes with cap
• 1 battery 1.5 V, type AAA
• 1 instruction manual
TECHNICAL FEATURES
Range:
0.05 to 2.50 ppm
Resolution:
0.01 ppm
Accuracy:
± 0,05 ppm ± 3% of reading (25°C)
EMC Deviation:
± 0,01 ppm
Light source:
LED at 525 nm
Light detector:
Silicon photocell
Method:
Adaptation of USEPA method 330.5.
The reaction between chlorine and the DPD
reagent causes a pink tint in the sample.
Temperature:
+1...+50°C
Humidity:
85% RH, non condensing
Power supply:
1 battery 1.5 V type AAA
Auto switch-off:
After 2 min
Dimensions – Mass: 87,5 x 63,7 x 35,2 mm – 65 g
REPLACEMENT PARTS
TOTAL CHLORINE MEASUREMENT (MW-11)
Turn the meter ON by pressing the button. After
all segments are displayed,
“C.1”
,
“Add”
appears
with "Press" blinking, the meter is ready.
Fill the test tube with
10 mL
of unreacted sample
and tap it with the cap. Place it into the tube
holder and close the meter cap.
Press the button. When the display shows
“Add”
,
“C.2”
with
“Press”
blinking, zero is
calibrated.
Remove the test tube, open it and add the
content of
one DPD1 and one DPD3
reagent
tests. Replace the cap and shake gently for 20
seconds. Replace the tube into the meter.
Wait for 2 minutes and 30 seconds then press
and hold the button until the timer is displayed
on the LCD.
The instrument directly displays the concentration
of total chlorine in ppm. The meter automatically
turns off after 10 seconds following the measu-
rement display.
Dust cover
Test tube (with cap)
Tube holder
LCD
Touch button
