
Hanna Instruments HI-98517-13 Key® pocket thermometer °C Interchangeable probe, 130mm
Replacement 130mm long probe for the HI-98517 thermometer, ideal for penetration of semi-solids, plus the testing of general purpose liquid, air/gas.
About the KEY pocket thermometer
- Ideal for spot measurements
- Four interchangeable stainless steel probes available
The KEY is a pocket thermometer with an interchangeable probe for quick spot measurements. With a response time of less than 20 seconds in water, KEY is ideal for quality control and industrial temperature monitoring.
Four interchangeable temperature probes are available to meet specific requirements. Each probe is constructed out of rugged AISI 316 stainless steel, which resists the harmful effects of chemicals and humidity.
The Hi-98517-13 probe is for penetration and is included with the meter, providing a fast response typical of a thermocouple probe. The HI-98517-15 and HI-98517-30 probes are for general liquid monitoring, while the HI-98517-12 is a surface probe made for machine shops, molding facilities and welding surfaces.
Four probes available:
HI-98517-13 - Penetration/general purpose
K-type thermocouple probe supplied with KEY®. Application: liquid, air/gas, penetration of semi-solids.
HI-98517-15 and HI-98517-30 - Liquid/general purpose
K-type thermocouple probe for KEY® application: liquid, air/gas.
HI-98517-12 - Surface
K-type thermocouple probe for KEY® application: solids, plates, furnaces, molds.
Specifications
| Range | -40.0 to 550°C |
| Resolution | 1°C |
| Accuracy | ±2°C |
| Response Time | approx. 20 seconds in water (with HI- 98517-13 probe, included) |
| Battery Type / Life | 4 x 1.5V AAA / approx. 700 hours of continuous use |
| Environment | 0 to 50°C (32 to 122°F); RH max 95% |
| Dimensions | 175 x 41 x 23 mm (6.2 x 1.4 x 0.8") |
| Weight | 78 g (3.0 oz.) |
Downloads

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.