R-7404 : Dissolved Ozone Vacuvial Kit

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Product Overview

K-7404 dissolved ozone vacuvials are an accurate and inexpensive way to measure your dissolved ozone levels. Their range is up to 3.0 ppm, but can detect higher levels if the proper sample-dilution instructions are followed. 30 colorimetric tubes included for instant ozone detection. Replacement vials and activator solution are available for purchase online.


  • Low cost accuracy.
  • Industry-proven chemistry.
  • Useful for standalone ozone sampling -OR-
  • Useful for calibration of ozone process monitors.
  • Wide range.

More Information

Weight 1.5000
Electrical 120 - 240 VAC 60 Hz
Dimensions 6 x 7.5 x 2.5 inches (15.2 x 19.1 x 6.4 cm)
Warranty 1 Years
Display None
Detection Method DPD
Temperature Range 32 to 212°F (0.0 to 100°C)
Accuracy +/- 100%
Resolution 0.05 ppm (50 ppb)
Supporting Documents Instructions and comparators included.
Min Detect Limit 0.025 ppm (25 ppb)
Internal Datalogging no
Display Units ppm
Communication Protocol None
Relays 0