The Fluke 59E (also known as the Fluke F59E) is a professional handheld non-contact infrared thermometer (temperature gun) from Fluke Corporation, designed primarily for industrial diagnostics, electrical maintenance, and routine temperature monitoring.
Core Technical Specifications
• Measuring Range: -30°C to 350°C (-22°F to 662°F)
• Basic Accuracy: ±2.0°C or ±2.0% of reading (whichever is greater, ≥0°C)
• Distance-to-Spot (D:S) Ratio: 8:1 (Measures a 1m diameter spot at 8 meters)
• Response Time: Less than 500 ms (95% reading)
• Emissivity: Adjustable from 0.10 to 1.00, adjust according to different object surface materials to improve accuracy
• Protection Rating: IP40
Main Features
• High-precision Laser Targeting: Adopts precision laser technology to accurately locate the measured object and ensure accuracy for single and repeated measurements.
• Backlit Large LCD Display: Supports Data Hold function for clear readings in dim or poorly lit industrial environments.
• Multi-data Processing Mode: Directly switch to display Maximum (MAX), Minimum (MIN), Average (AVG) and Difference (DIF) between two measurements on screen.
• High / Low Temperature Alarm: Supports setting upper and lower temperature limits; quick alarm prompt activates when readings exceed the set range.
• Lightweight & Portable: Ergonomic design for single-hand operation, easy to put into toolbox or carry bag.
• Battery Powered: Operates with one AA battery, low maintenance and replacement cost.
Application Scenarios
Thanks to its safe non-contact measurement, Fluke 59E is widely used in:
• Electrical Maintenance: Detect abnormal overheating of distribution boards, switches, circuit breakers, motors and circuits.
• HVAC: Diagnose pipe temperature, air outlet temperature and air conditioning system efficiency.
• Mechanical Inspection: Monitor frictional heat of moving parts such as bearings, gearboxes and pumps.
• Daily & Food Testing: Surface temperature measurement for cooking, automotive cooling system and engine exhaust inspection.
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