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Fluke | Thermometers - Contact

54 II B Data Logging Thermometer with Dual Input

The Fluke 54 II B is a high-precision, dual-input digital thermometer designed for industrial and laboratory applications. It offers fast response and laboratory accuracy (±0.05% + 0.3°C) and can log up to 500 data points with user-adjustable recording intervals. The device supports multiple thermocouple types and features a large backlit dual display for clear readings..

  • Detail
  • Special Features
  • Specification

The Fluke 54 II B is engineered for professionals requiring precise and reliable temperature measurements in various industrial and laboratory settings. Its dual-input capability allows for simultaneous monitoring of two temperature points, making it ideal for applications such as HVAC/R system diagnostics, process calibration, and food safety inspections. The device's data logging feature enables users to track temperature trends over time, facilitating proactive maintenance and quality control. With its wide thermocouple compatibility and high accuracy, the Fluke 54 II B ensures versatile and dependable performance.

  • Dual Input Capability: Simultaneously measures two temperature points, displaying them alongside the differential (T1–T2) and statistical data (MIN, MAX, AVG).

  • Data Logging: Stores up to 500 data points with adjustable recording intervals, allowing for comprehensive temperature trend analysis.

  • Wide Thermocouple Compatibility: Accepts J, K, T, E, N, R, and S-type thermocouples, providing versatility for various temperature measurement needs.

  • High Accuracy: Delivers laboratory-grade accuracy (±0.05% + 0.3°C) for reliable temperature measurements.

  • Large Backlit Display: Features a dual display that shows any combination of T1, T2, T1–T2, MIN, MAX, or AVG, enhancing readability in various lighting conditions.

  • USB Communication: Equipped with an infrared USB port for data export to FlukeView Forms® Temperature PC software for further analysis and graphing.

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

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

  • Easy Battery Replacement: Includes a battery door that allows easy battery replacement without breaking the calibration seal.

  • Optional ToolPak Accessory: Allows the thermometer to hang from any metal object (with the rare earth magnet) or secure around a pipe (with hook-and-loop straps) for hands-free operation.

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, N, R, S
Temperature Range J: -210°C to 1200°C
  K: -200°C to 1372°C
  T: -250°C to 400°C
  E: -150°C to 1000°C
  N: -200°C to 1300°C
  R/S: 0°C to 1767°C
Display Resolution 0.1°C, 0.1 K (<1000°C); 1°C, 1 K (≥1000°C)
Data Logging Capacity Up to 500 points
Recording Interval User-adjustable
Display Large backlit dual display
USB Communication Infrared USB port
Battery Type 3 x AA
Battery Life Typical 1000 hours
Dimensions (L x W x D) 173 mm x 86 mm x 38 mm
Weight 400 g
Operating Temperature -10°C to 50°C
Storage Temperature -40°C to 60°C
Humidity (Without Condensation) 0% to 90% (0°C to 35°C); 0% to 70% (35°C to 50°C)
Safety Standards CSA C22.2 No. 1010.1; EN 61010 Amendments 1,2
Agency Approvals CE, CSA, TÜV (pending)