Fluke 51 II Digital Probe Thermometer

  • THIS PRODUCT HAS BEEN UPGRADED – FIND THE NEW VERSION HERE
  • Fast, accurate temperature tool
  • Handles multiple thermocouple types reliably
  • Rugged handheld thermometer with long battery life
  • Clear display and offset control for precision
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  • THIS PRODUCT HAS BEEN UPGRADED – FIND THE NEW VERSION HERE
  • Fast, accurate temperature tool
  • Handles multiple thermocouple types reliably
  • Rugged handheld thermometer with long battery life
  • Clear display and offset control for precision
Free Shipping

Spend over £100 on any new goods order and receive automatic free shipping

Rewards

Points make purchases! For every £1 spent, earn back 1p that can be spent on any future new goods purchase

Our Price Promise

We offer a Price Match Promise! Find an equivalent tester for a cheaper price on a competitor site, and we’ll do our best to match it

Express Delivery & Calibration

Express Delivery is currently unavailable for customers wishing to add calibration to their New Goods order. For more information, visit our Delivery Information page. 

Earn 0 – 0 points

Usually ships In 1 to 2 weeks

This product is currently out of stock and unavailable.

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Fluke 51 II Digital Probe Thermometer

Fluke 51 II Digital Probe Thermometer offers dependable contact temperature measurement in demanding environments, and it maintains accuracy while remaining simple to handle. It responds quickly to changes, and it provides steady readings that help users complete work with confidence. Across labs, workshops, food-quality checks, and HVAC testing, the tool suits a wide range of tasks while keeping performance consistent. During long sessions it remains reliable, and it holds its accuracy without extra effort. Operation stays straightforward for both new and experienced users, and it maintains clarity even in busy working conditions.

Accuracy and Control

Fluke 51 II supports J, K, T, and E thermocouples, and it adjusts smoothly to each type. Electronic offset correction reduces thermocouple error, and it preserves measurement quality across large temperature ranges. Flexible readout choices give users control, and the backlit display keeps results clear in low light. Time-referenced MIN, MAX, and AVG readings are added for context, and major events during a test become easier to track.

Durability and Ease of Use

Fluke 51 II holds up well in harsh conditions, and it arrives with a splash and dust-resistant case. Calibration security stays intact thanks to the protected battery door, and it allows battery changes without affecting accuracy. Long periods of operation are supported by three AA batteries, and power is preserved through the sleep mode. Stable handling in the field comes naturally to the device, and hands-free use becomes simple with the optional magnetic or strap-based ToolPak.

Practical day-to-day use becomes simple with Fluke 51 II, and it keeps workflows smooth and predictable. Compact design makes it easy to travel with, and it provides strong support for detailed testing. Speed, resilience, and straightforward functions come together here, and it remains a trusted choice for technicians who need consistent, precise readings. All of this is offered while staying easy to read, carry, and maintain, widening its appeal across many working situations.

Key Features
  • Fast response for temperature changes
  • Accepts J, K, T, and E thermocouples
  • Backlit display for clear viewing
  • Offset adjustment improves accuracy
  • Relative time tracking for events
  • Rugged splash and dust-resistant case
  • Long battery life through sleep mode
  • Easy front-panel operation
  • Secure battery access without recalibration
  • Optional ToolPak for hands-free use
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THIS PRODUCT HAS BEEN UPGRADED – FIND THE NEW VERSION HERE
Fluke 51 II Digital Probe Thermometer

Fluke 51 II Digital Probe Thermometer offers dependable contact temperature measurement in demanding environments, and it maintains accuracy while remaining simple to handle. It responds quickly to changes, and it provides steady readings that help users complete work with confidence. Across labs, workshops, food-quality checks, and HVAC testing, the tool suits a wide range of tasks while keeping performance consistent. During long sessions it remains reliable, and it holds its accuracy without extra effort. Operation stays straightforward for both new and experienced users, and it maintains clarity even in busy working conditions.

Accuracy and Control

Fluke 51 II supports J, K, T, and E thermocouples, and it adjusts smoothly to each type. Electronic offset correction reduces thermocouple error, and it preserves measurement quality across large temperature ranges. Flexible readout choices give users control, and the backlit display keeps results clear in low light. Time-referenced MIN, MAX, and AVG readings are added for context, and major events during a test become easier to track.

Durability and Ease of Use

Fluke 51 II holds up well in harsh conditions, and it arrives with a splash and dust-resistant case. Calibration security stays intact thanks to the protected battery door, and it allows battery changes without affecting accuracy. Long periods of operation are supported by three AA batteries, and power is preserved through the sleep mode. Stable handling in the field comes naturally to the device, and hands-free use becomes simple with the optional magnetic or strap-based ToolPak.

Practical day-to-day use becomes simple with Fluke 51 II, and it keeps workflows smooth and predictable. Compact design makes it easy to travel with, and it provides strong support for detailed testing. Speed, resilience, and straightforward functions come together here, and it remains a trusted choice for technicians who need consistent, precise readings. All of this is offered while staying easy to read, carry, and maintain, widening its appeal across many working situations.

Key Features
  • Fast response for temperature changes
  • Accepts J, K, T, and E thermocouples
  • Backlit display for clear viewing
  • Offset adjustment improves accuracy
  • Relative time tracking for events
  • Rugged splash and dust-resistant case
  • Long battery life through sleep mode
  • Easy front-panel operation
  • Secure battery access without recalibration
  • Optional ToolPak for hands-free use

 

Technical Specifications
Left columnRight column
Product nameFluke 51 II Digital Probe Thermometer
Manufacturer part code674686
Temperature rangeUp to 900°C (1600°F)
Thermocouple supportJ, K, T, and E types
Accuracy0.05% + 0.3°C
Display typeLarge backlit LCD
Power sourceThree standard AA batteries
Battery lifeApproximately 1000 hours with sleep mode
Case protectionImpact-absorbing holster with splash and dust resistance
Relative time functionsMIN, MAX, and AVG with event timing
Electronic offsetCompensates thermocouple error for improved accuracy
User interfaceSimple front-panel controls for rapid setup
Mounting optionsOptional ToolPak magnetic hanger or strap system
Operating styleSingle-input digital thermometer for contact measurements
ApplicationsLaboratory, QA, food safety, HVAC, industrial processes
Calibration securityBattery door allows changes without breaking calibration seal
WarrantyThree-year warranty supplied as stated
Included manualInstruction manual provided for operation
Weight and handlingLightweight handheld design for field and bench use
Build qualityRugged outer holster for impact resistance and extended durability
What’s Included
  • Fluke 51 II
  • Instruction manual

QUESTIONS

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