Fluke 53 II Temperature Logging Digital Thermometer

Fluke 53 II Temperature Logging Digital Thermometer

Fluke 53 II Temperature Logging Digital Thermometer

The Fluke 53 II is a professional-grade, single-input digital thermometer engineered for accurate temperature measurement and data logging in demanding environments such as industrial maintenance, research labs, and HVAC systems. Designed with durability, user-friendliness, and precision in mind, it features advanced thermocouple compatibility, extended battery life, and comprehensive logging capabilities.

With its rugged, splash- and dust-resistant housing, the Fluke 53 II is built to endure tough field conditions. It also includes USB connectivity and optional software support for streamlined data analysis and reporting.

Key Features Fluke 53 II Temperature Logging Digital Thermometer:

• Relative time-stamping for MIN, MAX, and AVG values to track critical thermal events

• Electronic Offset function for compensating thermocouple errors and enhancing accuracy

• Supports thermocouple types J, K, T, and E

• Readings available in Celsius (°C), Fahrenheit (°F), or Kelvin (K)

• Rugged holster offers splash and dust resistance with impact absorption

• Simple front panel design ensures easy setup and navigation

• Sleep mode extends battery life—typically up to 1000 hours

• Battery door allows replacement without breaking the calibration seal

• Optional ToolPak accessory enables hands-free operation via magnetic mount or pipe strap

• Wide backlit display shows measured values and MIN, MAX, or AVG

• USB port allows for data export via optional FlukeView Forms® software

• Logging capability for up to 500 data points with user-configurable intervals

• Backed by a 3-year warranty

Temperature Accuracy Fluke 53 II Temperature Logging Digital Thermometer:

• Above –100 °C:

  • Types J, K, T, E, and N: ±[0.05% + 0.3°C]

  • Types R and S: ±[0.05% + 0.4°C]

• Below –100 °C:

  • Types J, K, E, N: ±[0.20% + 0.3°C]

  • Type T: ±[0.50% + 0.3°C]

Thermocouple Measurement Ranges:

• Type J: –210 °C to 1200 °C

• Type K: –200 °C to 1372 °C

• Type T: –250 °C to 400 °C

• Type E: –150 °C to 1000 °C

• Type N: –200 °C to 1300 °C *

• Types R and S: 0 °C to 1767 °C *

(*Note: Only the 53 II B and 54 II B models support types N, R, and S.)

Additional Specifications:

• Temperature scale: ITS-90

• Reference standard: NIST-175

• Display resolution:

  • 0.1 °C / 0.1 K for temperatures < 1000

  • 1 °C / 1 K for temperatures ≥ 1000

Environmental Conditions:

• Operating temperature: –10 °C to 50 °C

• Storage temperature: –40 °C to 60 °C

• Relative humidity:

  • 0% to 90% (0 °C to 35 °C)

  • 0% to 70% (0 °C to 50 °C)

Safety Ratings:

• Overvoltage category: CSA C22.2 No. 1010.1 1992; EN 61010 Amendments 1 & 2

• Agency approvals: CE, CSA, TÜV (pending)

Mechanical and General:

• Dimensions: 173 mm (H) x 86 mm (W) x 38 mm (D)

• Weight: 400 g

• Power: 3 x AA batteries

• Battery life: Up to 1000 hours (typical)

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Summary:

The Fluke 53 II Temperature Logging Thermometer delivers highly accurate, single-input temperature measurements with advanced logging features and extended battery life. Supporting four thermocouple types and offering USB connectivity for exporting data, it is well-suited for a wide range of technical, scientific, and industrial applications.

Key Selling Points:

• Precision measurement with thermocouple error compensation

• Long-term logging and 1000-hour battery life

• Rugged, field-ready design with user-friendly interface

• USB export capability with optional software

• Compatible with J, K, T, and E thermocouple types

• Backed by a 3-year Fluke warranty