Field Instruments

Product Overview

The Fluke 54 II B Data Logging Thermometer with Dual Input is a high-accuracy, professional contact thermometer designed for demanding industrial, electrical, mechanical, and laboratory temperature measurement applications. With dual thermocouple inputs, the 54 II B allows simultaneous monitoring of two temperature sources and direct comparison using T1, T2, and T1–T2 readings.

Engineered for reliability and precision, this thermometer offers laboratory-grade accuracy, fast response time, and built-in data logging up to 500 readings. Its rugged construction, long battery life, and intuitive user interface make it an ideal tool for maintenance technicians, engineers, and quality professionals who require dependable temperature monitoring in the field or plant environment.

Key Features

• Dual Thermocouple Inputs: Measure and compare T1, T2, and T1–T2 simultaneously
• High Accuracy: Laboratory-grade accuracy for precise temperature measurements
• Data Logging Capability: Stores up to 500 data points with user-selectable logging interval
• Wide Thermocouple Support: Measures J, K, T, E, N, R, and S-type thermocouples
• Large Backlit Dual Display: Shows temperature values with MIN / MAX / AVG readings
• Recall Function: Easily review logged data directly on the meter
• Relative Time Clock: Provides time reference for MIN, MAX, and AVG events
• Electronic Offset Function: Compensates for thermocouple errors to improve accuracy
• Infrared USB Interface: Enables data transfer to PC software for analysis and reporting
• Sleep Mode: Extends battery life for long-term use
• Rugged Design: Splash and dust resistant with impact-absorbing holster

Technical Specifications

Manufacturer: Fluke
Model: 54 II B
Type: Dual-Input Data Logging Thermometer

Temperature Measurement

Thermocouple Types: J, K, T, E, N, R, S

Temperature Ranges:
• 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
• N-type: –200 °C to +1300 °C
• R & S-type: 0 °C to +1767 °C

Accuracy (Above –100 °C):
• J, K, T, E, N: ±(0.05 % + 0.3 °C)
• R, S: ±(0.05 % + 0.4 °C)

Display Resolution:
• 0.1 °C / 0.1 K (< 1000)
• 1 °C / 1 K (≥ 1000)

Display

• Large dual-line backlit LCD
• Displays temperature, thermocouple type, time, and statistics

Data & Functions

• Data logging up to 500 readings
• MIN / MAX / Average temperature tracking
• Relative time stamp for key events
• Recall and review logged data on screen
• Electronic offset calibration

Power Supply

• 3 × AA batteries
• Typical battery life: up to 1000 hours
• Battery replacement without breaking calibration seal

Environmental & Mechanical

• Operating temperature: –10 °C to +50 °C
• Storage temperature: –40 °C to +60 °C
• Splash and dust resistant housing
• Impact-absorbing protective holster
• Dimensions: 173 × 86 × 38 mm
• Weight: Approx. 400 g

Applications

• Motor and bearing temperature monitoring
• Electrical panel and breaker inspections
• Industrial process temperature measurement
• HVAC system diagnostics
• Laboratory and quality control testing
• Preventive and predictive maintenance programs

Why Buy from FieldInstruments.lk?

• 100 % genuine Fluke instruments with manufacturer warranty
• Competitive pricing and fast island-wide delivery
• Expert local technical support and application guidance
• Reliable after-sales service and calibration assistance

The Fluke 54 II B Data Logging Thermometer with Dual Input delivers precision, durability, and advanced logging capability, making it an essential temperature measurement tool for professionals who demand accuracy and reliability in critical applications.

Fieldinstruments.lk
50/3, Angampitiya Rd, Ethul Kotte, Sri Lanka. 10100.
Phone: +94718555888 Email: info@fieldinstruments.lk