Portable 640 × 480 thermal imaging camera with IR-visible fusion
Demanding electrical and industrial thermography calls for a 640 × 480 camera with very fine thermal sensitivity, able to resolve small temperature differences, and with visible-image fusion to document every finding. The IRDL708 Series offers this with an uncooled 640 × 480 FPA microbolometer, NETD ≤ 0.02 °C at 30 °C and 0.65 mrad spatial resolution, a −40 °C to +650 °C range extendable to +1200 °C or +2000 °C, and a 5 MP CMOS visible camera whose images are fused with the infrared ones on screen and stored linked.
IRDL708 Series key data
- Detector: uncooled 640 × 480-pixel FPA microbolometer, 8-14 µm spectral range and 50/60 Hz frame rate.
- Sensitivity and optics: NETD ≤ 0.02 °C at 30 °C; 24° × 18° field of view, 0.65 mrad spatial resolution (IFOV) and 0.1 m minimum focus distance, automatic or electronic focus.
- Range and accuracy: −40 °C to +650 °C, optional up to +1200 °C or +2000 °C; ±2 °C or ±2 % of reading, whichever is greater.
- Analysis: up to 10 movable areas (maximum, minimum and average temperature) and 5 lines, profiles, isotherms, temperature difference and voice and colour alarms; emissivity from 0.01 to 1.0.
- Visible image and display: 5 MP CMOS camera with LED light, IR-visible fusion, 11 palettes, large multi-rotated 640 × 480 touchscreen and built-in viewfinder.
- Recording: 8 GB SD (TF) card expandable to 32 GB, 14-bit radiometric JPEG, MPEG-4 or H.264 video, 40 s voice notes and network interface for real-time transmission.
- In the field: 1.75 kg, 250 × 180 × 150 mm, Li-Ion battery for 3 h of continuous use, IP54, operation from −15 °C to +50 °C and class 2 laser pointer (1 mW, 635 nm).
Advantages
High resolution without cooling
The uncooled 640 × 480 FPA microbolometer resolves 0.65 mrad per pixel with a thermal sensitivity (NETD) of ≤ 0.02 °C at 30 °C, over the 8-14 µm band.
Fusion with the visible image
A 5 MP CMOS camera with LED light documents each scene: infrared and visible frames are fused on screen and stored linked, picture-in-picture included.
Ranges for heavy industry
Standard measurement covers −40 °C to +650 °C, extendable to +1200 °C or +2000 °C for foundry, metallurgy and combustion work.
Rich on-screen analysis
Up to 10 movable areas with maximum, minimum and average values, 5 lines, profiles, isotherms and temperature difference, with voice and colour alarms.
Connected documentation
H.264 or radiometric video recording, 40 s voice notes, user text, network interface for real-time transmission and PAL/NTSC video output.
Applications
- Inspection of electrical installations and substations.
- Power plants, railway and petrochemical industry.
- Metallurgy, construction and scientific research.
About the product
The IRDL708 Series is a portable professional thermal camera: 1.75 kg with battery for 3 h of continuous use, IP54 protection and operation from −15 °C to +50 °C. A class 2 laser pointer and a built-in viewfinder complete the field equipment.
Storage on 8 GB SD (TF) card, expandable to 32 GB, with automatic or manual saving and IR-visible linking.
Technical specifications
| Detector | Uncooled microbolometer, 640 × 480; 8-14 µm |
| Sensitivity (NETD) | ≤ 0.02 °C at 30 °C |
| Temperature ranges | −40 °C to +650 °C; optional to +1200 °C / +2000 °C |
| Accuracy | ±2 °C or ±2 % of reading |
| Visible camera | 5 MP CMOS with LED light |
| Display | Large multi-rotated touchscreen, 640 × 480, plus viewfinder |
| Battery | Li-Ion, 3 h continuous |
| Weight | 1.75 kg; IP54 |
| Field of view | 24° × 18°; minimum focus 0.1 m |
| Spatial resolution (IFOV) | 0.65 mrad |
| Frame rate | 50/60 Hz |
Frequently asked questions
What does a 0.02 °C thermal sensitivity (NETD) like that of the IRDL708 Series provide?
The camera resolves smaller temperature differences with less noise in the image. The IRDL708 Series reaches a NETD of ≤ 0.02 °C at 30 °C with its 640 × 480 microbolometer and 0.65 mrad per pixel, over the 8-14 µm band.
Can the IRDL708 Series record radiometric video?
Yes. It records video in H.264 or with the original radiometric data, stores JPEG images with 14-bit thermal data on an 8 GB SD card expandable to 32 GB and transmits in real time over its network interface.
What does IR-visible fusion provide?
Both images overlay on screen and are stored linked, so each thermal finding is documented with its visual context and located faster.
Which temperature ranges are covered?
From −40 °C to +650 °C as standard; optional calibrations extend measurement to +1200 °C or +2000 °C.
How are results documented?
Radiometric JPEG images and MPEG-4/H.264 video with 40 s voice notes and user text; data transfers via network interface or video output.
Is it suitable for field work?
Yes. It weighs 1.75 kg, offers IP54 protection, works from −15 °C to +50 °C and runs 3 h per battery charge.
