
Hanna Instruments-93531 Waterproof K-Type Thermocouple Thermometer
0.1° Resolution K-Type Thermocouple Thermometer
The HI 93531 is a K-type water resistant thermometer that features 0.1° resolution in the -149.9 to 999.9°C range, making it ideal for precise temperature measurements. This instrument displays the current temperature along with the minimum and maximum extremes achieved.
The HOLD button freezes the display to allow the user time to record readings. The °C/°F button switches between the Celsius and Fahrenheit temperature scale. The CLEAR button restarts the evaluation of high and low values.
This instrument is equipped with BEPS (Battery Error Prevention System) which alerts the user in the event that low battery power could adversely affect readings.
Key features
- One point calibration
- Water resistant casing
- High/Low function
- °C to °F shifting
- HOLD function
- BEPS and low battery warning
- Battery life indicator at start-up
- Auto-off capability
- Backlight display
- Reading storage
Supplied with
- Batteries and instructions

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.