The Optris PI 640i G7 is a 640×480 resolution thermal imaging camera designed specifically for glass manufacturing, measuring surface temperatures from 150°C to 1500°C (up to 3000°C optional). Its 7.9µm spectral range is tuned to glass’s peak emissivity, giving accurate, angle-independent temperature readings — critical for float glass lines, tempering, and annealing processes. Enviro Engineering Trading LLC is the authorized Optris distributor for the UAE and MENA region, supplying and supporting this camera across the GCC.
Key features at a glance:
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| Spec | Value |
|---|---|
| Resolution | 640 × 480 pixels |
| Temperature Range | 150°C to 1500°C (optional 200°C to 3000°C) |
| Spectral Range | 7.9 µm |
| Frame Rate | 32 Hz standard / up to 125 Hz high-speed |
| Pixel Size | 17 µm |
| Measurement Field of View | 3 × 3 pixels (minimum) |
| Protection Rating | IP67 (NEMA 4) |
| Operating Temperature | 0°C to 70°C standalone; up to 315°C with water-cooled enclosure |
| Interface | USB, Industrial Process Interface (PLC-ready) |
| Software | Optris PIX Connect (free, lifetime updates) |
| Country of Manufacture | Germany |
| Calibration | Traceable calibration certificate available |
Measuring glass temperature accurately depends heavily on emissivity, which shifts based on glass composition, thickness, and viewing conditions. The PI 640i G7’s 7.9 µm spectral range is matched to the highest and most stable emissivity point of glass, which reduces measurement errors caused by reflectivity and transmissivity.
This spectral tuning also reduces the effect of viewing angle on emissivity readings, so surface temperature stays reliable even when the camera is mounted off-axis — a common real-world constraint on factory floors.
The camera’s 17 µm pixel size enables a measurement field of view as small as 3 × 3 pixels, and the larger, high-quality optics deliver clear, low-distortion images with even brightness across the frame. Interchangeable lenses let you match pixel coverage to your specific target size and distance.
Running at 32 Hz in standard mode and up to 125 Hz in high-speed mode, the PI 640i G7 is fast enough to monitor rapidly moving glass on production lines without motion blur.
The PI 640i G7 has changed how line scanning is done in the glass industry. Using the PIX Connect software’s line scan feature, the camera’s full two-dimensional thermal image is converted into a continuous, real-time temperature profile along any selected line.
Traditional line scanners rely on a single-point detector and a rotating mirror — making them bulky, expensive, and difficult to install and align.
With the PI 640i G7, you simply select any line from the full detector array in software. You also retain the complete infrared image alongside the line data, giving you more process information from a single compact unit. This flexibility significantly simplifies system setup and commissioning.
The camera can track the temperature of fast-moving glass through small apertures — essential in glass production, where temperature directly affects product quality. Temperature is monitored at many points continuously and streamed directly to the process control system, allowing the PI 640i G7 to fully replace older, larger mechanical line scanners while occupying a fraction of the space.
Example application: With a 90° lens, the PI 640i G7 can scan a complete float glass sheet up to 4 m wide. For larger widths, multiple cameras can be merged within the software into a single continuous view. Using subframe mode (640 × 120 pixels), data can be captured at 125 Hz — fast enough to produce undistorted, blur-free images of glass moving at production speed.
The PI 640i G7 is powered by Optris PIX Connect, included free with the camera and updated at no additional charge. PIX Connect gives process engineers a full thermal image processing toolkit, including:
The PI 640i G7 and PIX Connect are built to integrate directly into existing plant control systems. The Industrial Process Interface allows temperature or alarm signals to be sent to a PLC via current or relay outputs, and image/video capture can be automatically triggered when defined temperature conditions occur — keeping the camera fully embedded in your process control loop rather than operating as a standalone monitoring tool.
The PI 640i G7’s rugged camera head is designed to move easily from lab testing to tight, demanding installation points on the factory floor.
Enviro Engineering Trading LLC is the authorized Optris distributor for the UAE and MENA region. We supply, support, and calibrate the full Optris product range across the GCC, including:
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Q: What temperature range can the Optris PI 640i G7 measure? A: The standard range is 150°C to 1500°C. An optional high-temperature calibration extends this up to 3000°C.
Q: Why is the 7.9µm spectral range important for glass? A: Glass has its highest and most stable emissivity at 7.9µm, which reduces measurement errors from reflectivity and viewing angle — making readings more reliable across the glass surface.
Q: Can the PI 640i G7 replace a traditional line scanner? A: Yes. Using PIX Connect software, any line from the camera’s sensor array can be extracted as a live temperature profile, replacing bulky mechanical line scanners with a smaller, more flexible setup.
Q: Is the PI 640i G7 available in the UAE? A: Yes. Enviro Middle East is the authorized Optris distributor for the UAE and MENA region and supplies the PI 640i G7 with local support and calibration documentation.
Q: What software does the camera use? A: It runs on Optris PIX Connect, a free thermal imaging software with hot/cold spot detection, histograms, line scanning, and PLC alarm output configuration.
Q: How wide a glass sheet can one PI 640i G7 monitor? A: With a 90° lens, a single camera can scan a complete float glass sheet up to 4 m wide. Multiple cameras can be merged in software for larger widths.
