Oakton TDSTestr 11
One meter can measure total dissolved solids from pure water to concentrated solutions
Auto shutoff, low-battery indicator, error messages. Single or one point per range calibration
- Single or one point per range calibration
- Auto shutoff, low-battery indicator, error messages
Never watch a tester sink to the bottom of your tank or pond! These waterproof testers float, so there’s no need to worry. Valox® housing and stainless steel electrodes offer good chemical compatibility and durability. All waterproof Testrs have replaceable sensors. Reuse the meter body many times without losing waterproof and dustproof protection.
TDSRange 0 to 2000 ppm; 0 to 10.00 ppt
TDSResolution 10 ppm; 0.10 ppt
Accuracy ±1% full-scale (of range)
Calibration Push button, one point per range
Temperature 32 to 122°F (0 to 50°C)
Waterproof/Dustproof (IP67) Yes
ATC Automatic Electrode Replaceable
Power Four 1.5V batteries (included)
Battery life >150 hours
Dimensions6-1/2"L x 1-1/2" diameter
Shipping weight0.45 lbs
Sku: TDSTestr 11
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.