34
5 mL
Free Chlorine HR
FREE CHLORINE HIGH RANGEFREE CHLORINE HIGH RANGE
FREE CHLORINE HIGH RANGEFREE CHLORINE HIGH RANGE
FREE CHLORINE HIGH RANGE
SPECIFICATIONS
Range 0.0 to 10.0 mg/L
Resolution 0.1 mg/L
Accuracy ±0.1 mg/L ±3% of reading
Typical EMC ±0.1 mg/L
Deviation
Light Source Tungsten lamp with narrow band interference
filter @ 525 nm
Method Adaptation of the EPA DPD method 330.5. The
reaction between free chlorine and the DPD re-
agent causes a pink tint in the sample.
REQUIRED REAGENTS
Code Description Quantity
HI 93701-0 DPD 1 packet
HI 93734B-0 Free & Total Chlorine HR Reagent 5 mL
REAGENT SETS
HI 93734-01 Reagents for 100 tests
HI 93734-03 Reagents for 300 tests
For other accessories see page 141.
MEASUREMENT PROCEDURE
• Select the program number corresponding to Free Chlorine HR on
the secondary LCD by pressing PROGRAM W and V.
• Add to the cuvet 5 mL of HI 93734B
reagent by means of the 5 mL syringe.
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