Specifications Instructions
Instruction Manual
READ THE ENTIRE INSTRUCTIONS BEFORE USING THE KIT
Range 0 to 0.7 mg/L (ppm) as Chlorine (LR) • To measure chlorine in the 0-0.7 mg/L range, verify
HI 38017 0 to 3.5 mg/L (ppm) as Chlorine (MR) that the mirror, its holder and the disc are pre-installed
Smallest Increment LR: 0.02 mg/L in the checker disc. If not, install them as shown in the
Free & Total MR: 0.1 mg/L figure.
Analysis Method Colorimetric
Chlorine Sample Size 10 mL (LR), 5 mL (MR) • Remove the cap and add the specific test reagent:
Low and Medium Number of Tests 100 Free Cl2 / 100 Total Cl2
Case Dimensions 235x175x115 mm (9.2x6.9x4.5")
Free Chlorine: 1 packet of
HI 93701-0 Reagent.
Total Chlorine: 1 packet of
HI 93711-0 Reagent.
Range Shipping Weight 696 g (24.6 oz.)
Test Kit with • Use the pipette to fill
Checker Disc each glass vial with 10
mL of sample (up to 10 mL
Significance and use
the mark).
Chlorine is the most commonly used water disinfectant in
applications that vary from treatment of drinking water and • Replace the cap and mix.
• Insert one of the vials into the left hand opening of the
wastewater, pool and spa sanitization, to food processing checker disc. This is the blank.
www.hannainst.com and sterilization. Chlorine present in water binds with
bacteria, leaving only a part of the original quantity (free
chlorine) to continue its disinfecting action. If the free chlorine
Dear Customer, level is improper with respect to pH, water will have an
Thank you for choosing a Hanna Product. unpleasant taste and odor and the disinfecting potential of
Please read the instruction sheet carefully before using the the chlorine will be diminished.
test kit. It will provide you with the necessary information for Free chlorine reacts with ammonium ions and organic
correct use of the kit. If you need additional information, do • In the case of Total Chlorine
compounds to form chlorine compounds resulting in
not hesitate to e-mail us at tech@hannainst.com. determination, wait for 2
diminished disinfecting capabilities compared with free
Remove the chemical test kit from the packing material and chlorine. Chlorine compounds together with chloramines minutes to allow reaction
examine it carefully to make sure that no damage has • Remove the cap and fill to occur. This is the reacted
form combined chlorine. Combined chlorine and free chlorine
occurred during shipping. If there is any noticeable damage, the Demineralizer Bottle sample.
together result in total chlorine.
notify your Dealer or the nearest Hanna office immediately. with tap water.
While free chlorine has a much higher disinfectant potential, • Remove the cap and insert
Each kit is supplied with: the reacted sample into the right hand opening of the
combined chlorine has a much higher stability and has a
• HI 93701-0 Free Chlorine Reagent, packets (100 pcs); checker disc.
lesser volatility.
• HI 93711-0 Total Chlorine Reagent, packets (100 pcs); • Replace the cap and • Hold the checker disc so that a light source illuminates
Note: mg/L is equivalent to ppm (parts per million).
• Demineralizer Bottle with filter cap for about 12 liters shake gently for at least the samples from the top.
of deionized water (depending on the hardness level 2 minutes. The
of water to be treated); demineralized water is
• 1 checker disc (containing a mirror, a mirror holder now ready.
and the disc);
Chemical Reaction
01/07
• 2 glass vials with caps; • Flip open the top of the Demineralizer Bottle cap. By
• 1 plastic pipette (3 mL). The reaction between chlorine and the DPD reagent causes a
gently squeezing the bottle, add demineralized water to
ISTR38017R2
pink tint in the sample which is proportional to the chlorine
Note: Any damaged or defective item must be returned in its the other vial up to the 20 mL mark. Replace the cap
concentration.
original packing materials. and shake to mix.
• Keep the checker disc at a distance of 30-40 cm (12- • Then add to the vial the specific test reagent: For best results:
16") from the eyes to match the color. Rotate the disc Free Chlorine: 1 packet of Total Chlorine: 1 packet of Perform the reading three times and take the average
while looking at the color test windows and stop when HI 93701-0 Reagent. HI 93711-0 Reagent. value (divide by 3 the sum of the three numbers).
you find the color match. Read the value in the result Intensely colored samples will make the color matching
window and divide it by 5 to obtain mg/L (or ppm) of difficult and they should be adequately treated before
Chlorine. performing the test. Suspended matter in large amounts
should be removed by prior filtration.
Caution:
• Replace the cap and mix. Ultraviolet radiation may cause fading of colors. When
not in use, keep the disc protected from light, in a cool
and dry place.
Interferences:
Bromine, iodine, fluorine, ozone, oxidized manganese
• To measure chlorine in the 0-3.5 mg/L range, remove and chromium.
the disc, mirror and its holder, if pre-installed. Then
install just the disc as shown here.
References
• In the case of Total Chlorine
Adaptation of the EPA recommended DPD method 330.5.
determination, wait for 2
minutes to allow reaction
to occur. This is the reacted
sample.
Accessories
• Remove the cap and insert HI 93701-01 Free Chlorine replacement kit (100 tests)
the reacted sample into the HI 93701-03 Free Chlorine replacement kit (300 tests)
• Use the pipette to fill each glass right hand opening of the HI 93711-01 Total Chlorine replacement kit (100 tests)
vial with 5 mL of sample (up to checker disc. HI 93711-03 Total Chlorine replacement kit (300 tests)
the mark) and insert one of them HI 740231 20 ml glass cylinders with caps (2 pcs)
into the left hand opening of the 5 mL
• Hold the checker disc so that DEMI-10 Demineralizer Bottle
checker disc. This is the blank. a light source illuminates
the samples from the back
• Add to the other vial demineralized water up to the 10 of the windows.
mL mark and shake to mix.
• Keep the checker disc at a distance of 30-40 cm (12-
Safety Data Sheets
16") from the eyes to match the color. Rotate the disc
while looking at the color test windows and stop when The chemicals contained in this kit may be hazardous if
you find the color match. Read the value in the result improperly handled. Read the relevant Safety Data Sheet
window directly in mg/L (or ppm) of Chlorine. before performing this test.
