Fluke - 54-2 B Data Logging Thermometer with Dual Input

The Fluke 54‑2B Dual Input Data Logging Thermometer is a high‑accuracy, industrial‑grade thermometer designed for technicians who need reliable temperature measurement, comparison and logging. With two K‑type thermocouple inputs, it allows simultaneous T1, T2 and differential (T1–T2) readings — ideal for HVAC, process control, food safety, equipment diagnostics and laboratory work. The 54‑2B adds enhanced data logging, improved accuracy and a modernised interface, making it a dependable tool for long‑term monitoring and troubleshooting.

📏 Measuring Ranges / Key Specifications

(Based on typical Fluke 54‑2B specifications)

• Temperature Range (K‑type): –250 °C to +1372 °C
• Accuracy: ±(0.05% + 0.3 °C)
• Resolution: 0.1 °C
• Inputs: Dual K‑type thermocouple inputs
• Data Logging:
  • Up to 500 points per channel
  • Selectable logging intervals
  • USB interface for data export
• Functions:
  • MIN / MAX / AVG
  • Hold
  • Differential temperature (T1–T2)
  • Time‑stamped readings
• Display: Large backlit LCD with simultaneous T1, T2 and differential view
• Battery Life: ~1000 hours
• Safety Rating: CAT I 30 V
• Housing: Rugged, impact‑resistant design

📦 What’s Included

Typical Fluke 54‑2B kits include:

• Fluke 54‑2B Dual Input Data Logging Thermometer
• Two K‑type bead probes (80PK‑1 or equivalent)
• Protective holster
• USB cable
• AA batteries
• User documentation