Lovibond Checkit 5 in 1 Comparator Kit
The Lovibond® CHECKIT® comparator is a compact, lightweight colorimetric unit suitable for both mobile and static water analysis. Available with a number of different colour scales, it provides the basis for a comprehensive easy-to-use analysis system.
Each CHECKIT® Comparator Disc contains a continuous colour scale for exact colour matching between standard and sample.
The CHECKIT® Comparator 5 in 1 Kit is supplied in a carry case with Comparator, Vials, Discs, Shaker Tube, reagents and method instructions for all tests.
Cyanuric Acid is measured by Turbidity method Calcium Hardness and Alkalinity are measured by Tablet Count method
Test / Range
Chlorine 0-4 mg/l
pH Value 6.5-8.4
Cyanuric Acid 20-200 mg/l
Calcium Hardness 10-500 mg/l
CaCO3 Alkalinity Total 10-500 mg
Full disc readings for Chlorine and pH Value can be found in the table below: Test Range Disc Readings
Chlorine 0-4 mg/l 0 / 0.2 / 0.4 / 0.6 / 0.8 / 1.0 / 1.2 / 1.4 / 1.6 / 1.8 / 2.0 / 2.5 / 3.0 / 3.5 / 4.0
pH Value 6.5-8.4 6.5 / 6.6 / 6.7 / 6.8 / 6.9 / 7.0 / 7.1 / 7.2 / 7.3 / 7.4 / 7.5 / 7.6 / 7.7 / 7.8 / 7.9 / 8.0 / 8.1 / 8.2 / 8.3 / 8.4
Delivery Content
CHECKIT® Comparator with standard optics
CHECKIT® Disc pH
CHECKIT® Disc Chlorine DPD
3 cuvettes plastic, 10 ml with lid
DB 513 graduated plastic jar, 100 ml
Plastic centrifuge tubes
Round bottle 100 ml
Syringe of MINIKIT cyanuric acid
Plastic stirring rod 10 cm
Brush, 105 mm
Measuring beaker, 100 ml
100 tablet reagents DPD No.1 Rapid
100 tablet reagents DPD No.3 Rapid
100 tablet reagents Phenolred Rapid
100 tablet reagents CyA test
100 tablet reagents ALK TEST
100 tablet reagents CALTEST
Instruction manuals
Warranty information
in case
SKU: 147028
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.