FNIRSI TDM-120 Thermal Imaging Camera, 120x90 IR, 2.8 inch LCD, -20°C to 400°C, IP54

When electrical panels, HVAC systems, or building envelopes fail, the cause often hides as a temperature difference too subtle to see. The FNIRSI TDM-120 puts infrared vision in your hand, revealing hot spots, cold leaks, and failing components before they become costly repairs.

Who is it for

Electricians, HVAC technicians, facility maintenance crews, and DIY enthusiasts who need a quick, reliable thermal readout without a large investment. Its compact body slips into a toolbox, and the intuitive interface makes it easy to capture and analyze thermal images on the spot.

Main features

• 120x90 infrared resolution with <50mK thermal sensitivity for clear temperature mapping
• Wide -20°C to 400°C measurement range handles everyday electrical and mechanical faults
• 2.8-inch LCD with 320x240 display shows crisp thermal images and temperature readouts
• 50° x 37.5° field of view captures broad scenes in a single shot
• Seven color palettes, including Iron Red and Rainbow, highlight heat variations
• Center point, hot spot, and cold spot measurement modes help pinpoint anomalies
• Built-in 4GB storage stores thousands of JPG images for later analysis
• IP54-rated housing and 2-meter drop protection survive rough job sites
• Laser pointer lets you align the thermal image with the physical target

Specifications

• Infrared resolution: 120 x 90 pixels
• Temperature range: -20°C to 400°C (-4°F to 752°F)
• Accuracy: ±2°C or ±2% of reading
• Thermal sensitivity (NETD): <50mK @ 25°C, F#1.0
• Frame rate: 25 Hz
• Display: 2.8-inch LCD, 320 x 240 pixels
• Field of view: 50°(H) x 37.5°(V)
• Emissivity: adjustable from 0.01 to 1.00
• Color palettes: Iron Red, Rainbow, White Hot, Black Hot, Lava, High Contrast Rainbow, Red Hot
• Storage: built-in 4GB eMMC
• Battery: 2000mAh rechargeable lithium battery, approx. 6 hours runtime
• Charging: USB Type-C
• Operating temperature: -10°C to 50°C
• Protection: IP54, 2-meter drop
• Measurement modes: center point, hot spot, cold spot
• Image format: JPG
• Laser pointer: yes

Tips

Adjust the emissivity setting based on the surface you are inspecting—polished metal requires a lower value, while painted or plastic surfaces work well near 0.95. Use the laser pointer to mark the exact component you are measuring, and capture images in multiple palettes to spot temperature patterns quickly.