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Fluke | Thermometers - Contact

Fluke 51 II Handheld Digital Probe Thermometer

The Fluke 51 II Handheld Digital Probe Thermometer is a precision instrument designed for accurate contact temperature measurements in various industrial and laboratory applications. It offers fast response times and laboratory-grade accuracy, making it ideal for tasks such as motor diagnostics, insulation testing, and food safety inspections. The device supports multiple thermocouple types and provides clear readings on a large backlit display..

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  • Special Features
  • Specification

The Fluke 51 II Handheld Digital Probe Thermometer is engineered to provide accurate and reliable temperature measurements in various industrial and laboratory settings. Its single-input design makes it suitable for applications where only one temperature measurement is needed at a time. The device's wide thermocouple compatibility ensures versatility, while its high accuracy and large backlit display enhance usability. The inclusion of a relative time clock on MIN, MAX, and AVG readings allows users to track temperature trends over time, facilitating preventive maintenance and quality control. With its rugged construction and long battery life, the Fluke 51 II is a dependable tool for professionals requiring precise temperature measurements.

  • Single Input Measurement: Designed for single-input temperature measurements, suitable for various applications.

  • Wide Thermocouple Compatibility: Measures J, K, T, and E-type thermocouples, offering versatility for different temperature ranges.

  • High Accuracy: Delivers laboratory-grade accuracy of ±(0.05% + 0.3°C) for temperatures above -100°C.

  • Large Backlit Display: Features a clear, easy-to-read display with backlighting for visibility in low-light conditions.

  • Multiple Temperature Scales: Provides readings in °C, °F, or Kelvin (K), accommodating various user preferences.

  • Data Logging Capability: Includes a relative time clock on MIN, MAX, and AVG readings to provide a time reference for major events.

  • Electronic Offset Function: Compensates for thermocouple errors to maximize overall accuracy.

  • Rugged Design: Comes with a splash- and dust-resistant case protected by an impact-absorbing holster, suitable for demanding environments.

  • Long Battery Life: Operates on three standard AA batteries, with a typical battery life of 1000 hours.

  • Easy Battery Replacement: Features an easy-to-access battery door that allows replacing the battery without breaking the calibration seal.

Specification Details
Temperature Accuracy Above -100°C: ±(0.05% + 0.3°C)
  Below -100°C: ±(0.20% + 0.3°C)
Thermocouple Types J, K, T, E
Temperature Range J-type: -210°C to 1200°C
  K-type: -200°C to 1372°C
  T-type: -250°C to 400°C
  E-type: -150°C to 1000°C
Temperature Scale ITS-90
Display Resolution 0.1°C, 0.1 K (<1000°C); 1°C, 1 K (≥1000°C)
Operating Temperature -10°C to 50°C
Storage Temperature -40°C to 60°C
Humidity 0% to 90% (0°C to 35°C); 0% to 70% (35°C to 50°C); 0% to 40% (50°C to 60°C)
Dimensions (L x W x D) 173 mm x 86 mm x 38 mm
Weight 400 g
Batteries 3 x AA
Battery Life Typical 1000 hours
Safety Rating CSA C22.2 No. 1010.1 1992; EN 61010 Amendments 1,2
Agency Approvals CE, CSA, TÜV (pending)