Fluke 51 II Digital Thermometer

Fluke 51 II Digital Thermometer – Single Input Thermocouple Reader

The Fluke 51 II Digital Thermometer delivers fast, lab-grade accuracy for technicians in QA, HVAC, calibration, and food safety. Designed for industrial use, it supports J, K, T, and E-type thermocouples and displays results in °C, °F, or Kelvin 💡. A large backlit screen and intuitive button layout 📏 make operation simple even in demanding environments. With its rugged, splash-resistant case 🛡️, electronic offset for precision, and 1000-hour battery life 🔋, this handheld thermometer is built for reliability and ease of use. Trusted by engineers worldwide for contact temperature measurement up to 900°C.

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🛠️ Fluke 51 II – Precision Digital Thermometer for Professional Use

The Fluke 51 II is a handheld single-input digital thermometer engineered for fast, accurate contact temperature measurements. Ideal for lab, field, and industrial environments, it measures temperature on motors, pipes, liquids, and electrical components using industry-standard thermocouple types.

⚙️ Key Features of the Fluke 51 II Thermometer

  • Compatible with J, K, T, and E-type thermocouples 🔥

  • Displays temperature in °C, °F, or Kelvin (K) 💡

  • High accuracy: 0.05% + 0.3°C for laboratory-grade precision

  • Measures up to 900°C (1600°F)

  • Relative time clock on MIN, MAX, and AVG readings 🕒

  • Electronic offset to correct thermocouple error for maximum accuracy

  • Sleep mode extends battery life to approximately 1000 hours 🔋

  • Large backlit display for easy readability

  • User-friendly front panel – simple setup and operation 📏

🛡️ Rugged Design for Industrial Environments

  • Splash- and dust-resistant casing

  • Impact-absorbing holster for extra durability

  • Easy battery replacement without breaking calibration seal

  • Powered by three standard AA batteries 🔋

  • Optional ToolPak accessory lets you hang the thermometer from metal surfaces or pipes for hands-free use 🧲

  • Covered by a 3-year manufacturer’s warranty

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