Hanna Instruments-7040L Zero Oxygen Solution
Hanna Instruments-7040L is a high quality, bi-component zero oxygen solution made from reagent grade chemicals. Hanna dissolved oxygen solutions have the lot number and expiry date clearly marked on the label and are air tight with a tamper-proof seal to ensure the quality of the solution.
- Prepared with reagent grade chemicals
- Hassle-free, easy to mix chemical component bottles
- Air-tight seal to ensure the quality of the solution
Hanna Instruments-7040L Zero Oxygen solution, 500ml bottle
Hanna Instruments-7040L is a bicomponent zero oxygen solution designed for calibrating both polarographic and galvanic dissolved oxygen sensors. By simply immersing the dissolved oxygen probe in the solution users can quickly calibrate to 0% oxygen concentration, allowing for accurate follow-up measurements of dissolved oxygen in the sample. Hanna dissolved oxygen solutions are produced using reagent grade chemicals in a temperature controlled environment.
The Hanna Instruments-7040L bottle is labelled with:
- Product code
- Lot number
- Expiry date
- Ensures quality and freshness of solution
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.