Hanna Instruments-70442L 1500 mg/L (ppm) TDS Calibration Solution, 500 mL bottle
Maximum accuracy is high on the agenda here at Hanna. Browse our Total Dissolved Solids (TDS) Calibration Solutions specifically produced for Conductivity meters and electrodes.
Hanna conductivity electrodes can be calibrated in just a few minutes, wherever you are working, thanks to our range of TDS solutions in different forms and values. Sachets, for instance, could be very useful out in the field as well as the laboratory.
Each label shows the product batch number, expiry date, and a conductivity/temperature correlation table. TDS value is calculated at 25 C.
Hanna Instruments-70442L TDS Calibration Solutions 1500mg/L 500ml
Hanna Instruments-70442L is a 500 mL bottle of 1500mg/L (ppm) TDS solution supplied with a certificate of analysis on request.
Total Dissolved Solids (TDS) meters are vital to the water industry so accurate readings are essential. Make sure your electrode is giving accurate readings by using Hanna TDS Calibration Solution available in bottles and sachets. TDS Solutions are produced with high quality Potassium Chloride in various concentrations to NIST standards.
TDS Calibration solution is available in 1382mg/L, 6.44 g/L, 12.41 g/L, 800mg/L, 1500mg/L concentrations in 230ml, 500ml bottles or 25 x 20ml sachets.
Users who require documented accuracy can purchase TDS Solutions complete with a Certificate of Analysis on various codes. Certification can also be supplied on many of the standard purchases on request.
Also see Salinity Calibration Solutions
For accurate salinity readings, select Hanna Salinity Calibration Solution available in 500ml or 230ml bottles. Specifically designed for use with meters measuring salt levels in sea water.
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.