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Hanna Instruments Canada
Customer Support: (800) 842-6629

KEY® Pocket Thermometer - HI98517

The HI98517 KEY® is a pocket thermometer with an interchangeable probe for quick spot measurements. With a fast response time, KEY® is ideal for quality control and industrial temperature monitoring.

  • AISI 316 stainless steel
  • Interchangeable probes
  • Battery Error Prevention System (BEPS)


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 constructed out of rugged AISI 316 stainless steel. The HI98517-13 probe is for penetration and is included with the meter, providing a fast response typical of a thermocouple probe. The HI98517-15 and HI98517-30 probes are for general liquid monitoring, while the HI98517-12 is a surface probe made for machine shops, molding facilities, and welding surfaces.

Features at-a-glance

AISI 316 Stainless Steel Probes – The HI98157 KEY® thermometer is equipped with a 130 mm (5.1”) long AISI 316 stainless steel probe. The sharp conical tip provides fast response and improved accuracy over the entire range. Additional probes can be exchanged for more accurate measurements in liquids and on surfaces.

Enhanced Battery Life – The HI98517 offers an exceptional 700 hours of continuous use.

Battery Error Prevention System (BEPS) – The Battery Error Prevention System detects when the batteries become too weak to ensure reliable measurements.

Additional information

Weight 0.14 kg


Temperature Accuracy


Temperature Range

-40 to 550°C


SKU HI98517
Name KEY® Pocket Thermometer – HI98517
Temperature Range -40 to 550°C
Temperature Resolution 1°C
Temperature Accuracy ±2°C
Battery Type/Life 1.5V (4) / approximately 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)

Ordering Info

HI98517 is supplied with HI98517-13 probe, batteries, and instruction manual.


KEY® Pocket Thermometer – HI98517