
Hanna Instruments HI-3001 Flow-through Conductivity Probe with ATC
4-Ring conductivity flow-through probe with automatic temperature compensation (ATC) for industrial applications.
Flow-thru Conductivity Probe with 3m cable
This four-ring probe measures conductivity with a platinum sensor. It comes with standard ½" external thread on the front for flow-thru mounting and ¾ " threads on the back for submersion or pipe mounting.
The HI-3001 features a 3m cable and the protective cover is made of PEI and can be removed for quick maintenance. This probe can withstand temperatures up to 80°C and 6 bars of pressure.
In addition, the HI-3001 houses an NTC sensor for Automatic Temperature Compensation.
Water Resistant – Can withstand temporary exposure to water, but should not be submerged or washed under running 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.