Fluke 51 II Handheld Digital Thermometer (NEW 60Hz version!)

  • Single input thermometer – Fast contact temperature checks
  • J K T and E support – Works with standard probes
  • Wide temperature range – Electrical and HVAC use
  • Min Max and Avg tracking – Identify temperature trends
  • Backlit display – Clear readings in low light
  • Long battery life – Up to 1000 hours typical use
Regular Price £537.60 Special Price £436.80 £364.00

Availability: In stock

Ships today if ordered in the next 49 minutes!

Product Code
FLU51-2

Free Delivery

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Technical Support

Fluke 51-II Handheld Digital Thermometer

What is the Fluke 51 II Digital Thermometer?

The Fluke 51 II Single Input Digital Thermometer is a professional contact temperature meter designed for UK electricians, HVAC engineers and maintenance technicians who need fast, accurate temperature measurements across electrical and mechanical systems.

Using industry-standard J, K, T and E-type thermocouples, the Fluke 51 II delivers laboratory-grade accuracy for testing motors, cables, switchgear, pipework, insulation and process equipment. Its robust handheld design and long battery life make it a dependable tool for both site work and workshop diagnostics.

 

Why choose the Fluke 51 II for everyday temperature testing?

The Fluke 51 II combines precision and practicality in a compact format. With fast response times, clear backlit display and Min/Max/Avg tracking with time reference, it allows technicians to spot temperature changes quickly during commissioning, fault-finding and preventative maintenance. The electronic offset function further improves accuracy by compensating for thermocouple errors, giving confidence in every reading.

 

Order today to enjoy free delivery, expert support and our 90-day satisfaction guarantee. Need advice? Our team is here to assist you.

 

More Information
ManufacturerFluke
Manufacturer Part Number674686
GTIN0095969071321
Included CalibrationCall for info
document Manual 51-II (305.75 kB)
document Datasheet 51-II (116.25 kB)
  • Temperature accuracy: ±(0.05% + 0.3°C) above -100°C
  • Thermocouple types: J K T E
  • Temperature range: Up to 900°C depending on probe
  • Display resolution: 0.1°C below 1000°C
  • Battery type: 3 x AA batteries
  • Battery life: Approx. 1000 hours
  • Operating temperature: -10°C to 50°C
  • Weight: Approx. 400 g
  • Fluke 51 II Digital Thermometer
  • Impact-absorbing protective holster
  • 80PK-1 bead thermocouple probe
  • User documentation
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Why choose Instrotech for your electrical test equipment?

With over 40 years’ experience supporting UK electricians, technicians and engineers, Instrotech is your trusted partner for quality tools and expert service. When you purchase from us, you benefit from:

  • Free UK shipping on all orders
  • Access to our knowledgeable technical support team
  • Available calibration services to maintain safety compliance
  • A 90-day money-back guarantee for complete peace of mind

We’re committed to helping you work safely and efficiently with industry-leading products and ongoing support.