R-7404-Refill Kit for K-7404

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Product Overview

Chemetrics Ozone & Gas Testing

R-7404 is the refill kit for the 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


K-7404 Information
K-7404 SDS

K-7404 Information

K-7404 SDS

Warranty Information

Seller warrants that all Products will conform to the Specifications and will be free from defects in material workmanship and programming. Claims for Products not complying with this warranty shall be submitted by Buyer no later than 12 months from delivery date to Buyer. Seller shall promptly repair or replace, at its option and expense, non-complying Products. The shipment of non-complying Products by Buyer to Seller, and the return shipment of repaired or replacement Products by Seller to Buyer shall be at Seller's expense, unless it shall be determined that Buyer returned a Product that was in compliance, in which case such cost shall be borne by Buyer and, if paid by Seller, these expenses shall be reimbursed by Buyer within thirty (30) days of notice by Seller. Buyer shall receive a credit for any non-complying Products returned for repair or replacement. All non-complying Products shall be returned to Seller (at its offices or as otherwise instructed) no later than 30 days as of the date the non-compliance of any such Product has been discovered. Seller is NOT responsible for any/all damages suffered to the Products that is caused by the Buyer. Such as but not limited to damage by wrong electrical current, damage through crush or dropping the product, damage through untrained users of Product, damage through improper operations.

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