K-7423 Ozone

Ozone Testing Vacu-vials - Measure ozone 0-5.00ppm

*Use with the I-2019

Ozone Information


The K-7423 is a kit that contains the pieces needed to perform 30 tests of dissolved ozone level.  K-7423 Vacu-vials are used with the I-2019 Dissolved Ozone Meter which gives the digital readout of the ppm (mg/L) of ozone.  The K-7423 comes in a nice box that can easily be stored in the carrying case for the I-2019.

The cost per test is only $1.02.

I-2019 Dissolved Ozone Meter is designed for accurately and quickly measuring ozone in water levels from 0 - 5.00 ppm.  This device uses the DPD Method for testing.  Using this method Potassium iodide is added to the sample before analysis.  The Ozone present reacts to the iodide to liberate iodine.  Then the iodine reacts with DPD (N, N-diethy-l-p-phenylendeiamine) to form a pink color.

What's included:

  • K-7423 Ozone Vacu-vials (30 test)
  • A-7400 Activator Solution
  • A blank/zero ampoule
  • 25 mL sample cup
  • Instruction manual


How to use the I-2019 and K-7423:

  1. The I-2019 must be turned on.
  2. Put the Zero ampoule into the device and cover with the light shield piece to zero out the unit. (NOTE: This must be zeroed any time the unit is turned off and turned back on)
  3. To test, fill the 25 mL sample cup with your ozonated water.Fill the sample cup to 25ml
  4. Add 5 drops of A-7400 activator solution.Add A-7400 activator solution to the sample cup
  5. Snap the end of the Vacu-vial in the water on the bottom/side of the 25 mL sample cup.Snap the tip of the ampoule on the bottom and side of the sample cup
  6. Mix the contents of the ampoule by tipping back and forth a few times.Tip the vacu-vial back and forth to mix
  7. Dry the vacu-vial and place into the device (flat end first) for readout.Dry vacu-vial and then insert into the I-2019



I-2019 Instructions

K-7423 Instructions

Ozone Information

More Information
Manufacturer CHEMetrics
Call For Price No
Gas Ozone (O3)
4-20 mA Output No
Voltage Output None
Power Requirements None
Datalogging No
Warranty 1 Year
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