






Lovibond CHECKIT Comparator Sodium Hypochlorite
Test parameter: Sodium hypochlorite T
Highlights
- Supplied field-ready in a carrying case with reagents and accessories for 30 tests
- Wide range of parameters for a variety of applications
- Color discs have a continuous color gradient making it possible to achieve a direct color match - no need to extrapolate the result between two color standards
CHECKIT® Comparator Test Kits are accurate, easy to use test kits for water analysis. Simply add the reagent to the sample cell, rotate the disc until the color matches the prepared water sample and read the concentration value.
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Step-By-Step Instructions
Multi-lingual instructions provide an illustrated step-by-step explanation of how to conduct the test - ensuring that even "non-chemists" can achieve reliable and accurate measurements quickly. -
Wide Variety of Parameters
Many parameters have multiple testing ranges and methods available. Additional testing parameters can be added by purchasing additional discs and reagents - utilize the same comparator housing for all of your test. -
One Piece Comparator Housing
The rugged design of the one-piece comparator housing has no "moving pieces" that can become lost or broken. Simply slip the color disc into the housing until it clicks into place and you're ready to test. Test results are easily viewed in the results window. -
Easy to View Results
The Diffuser Panel on the backside of the CHECKIT® Comparator housing helps to disperse light evenly among the sample and the blank tube. This makes it easier to achieve an accurate color match and helps the user visually compensate for turbidity in the sample
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Continuous Color Gradient
Color discs have a continuous color gradient making it possible to achieve a direct color match - no need to extrapolate the result between two color standards.
Test parameter: Sodium hypochlorite T
- CHECKIT® Comparator with standard optics
- CHECKIT® Disc Sodium hypochlorite
- 30 tablet reagents Acid-GP
- 30 tablet reagents Chlorine HR (KI)
- Dilution set sodium hypochlorite
- 4 plastic cuvettes 10 ml with lid
- Plastic stirring rod, length 10 cm
- Bottle 100 ml Kautex +
- Measuring beaker 100 ml
- Brush, length 11 cm
- Instruction manual
- Warranty information
- In case

Frequently Asked Questions
Clear answers to help you choose the right water testing solution with confidence
Which brands of water testing kits do you supply?
Do you provide kits for both home and professional use?
Yes — whether you’re a pool or spa owner, aquarium keeper, utility company, or a university laboratory, we have the right solution for your needs.
Can I arrange servicing or calibration for my photometer?
Absolutely. We also provide servicing and calibration to keep your photometers accurate and reliable.
How quickly do you dispatch orders?
Orders placed before 2:30 pm (Monday–Friday) are dispatched the same day. We also ship on Saturdays for your convenience.
Which couriers do you use for delivery?
We deliver through UPS, DPD, and Royal Mail. You can also choose to upgrade to next-day delivery at checkout.
What is your return policy?
We accept returns within 14 days of delivery provided the items are unused, in their original packaging, and in resalable condition. Please contact our team before returning any items.
Can I place bulk or business orders?
Yes, we welcome bulk, trade, and institutional orders. For tailored pricing or large quantities, please get in touch with us directly.
How can I get help if I’m unsure which kit to buy?
You can call us at 📞 +44 (0)115888 2726 and our team will guide you in choosing the most suitable kit for your needs.