remote lenses for Hot Metal Detector (HMD)
Robust Lenses for HMDs
Robust lenses for mounting close to hot product where ambient temperatures are subject to extreme variation. Impervious to water and steam and hence well suited for extremely harsh environments. Used in conjunction with flexible armoured optic lead, these lenses provide a high level of optical accuracy by allowing the selection of the ideal lens arrangement for the installation. There are four styles of lenses available.
Precision Slit Lens 1/2° x 25° Field of View
- Incorporating the following features:
- Gunsight alignment
- Unique built–in air purge/cooling facility
- Internal 5° and 10° vertical shuttering option
- Slide flange mounting
- Ambient rating of 160°C
- Ideal for length measurement of hot strip and plate.
Stainless Slit Lens 2° x 15° Field of View
- Incorporating the following features:
- Separate air purged columnator tube option
- Ambient rating of 180°C or 400°C
- Slit field of view at low cost
- Highly suitable where rod & bar bounces about the centre line.
Stainless Tubular Lens 1°, 2°, 4°, 7° Spot Field of View
- Incorporating the following features:
- Standard 25mm diameter housing for all lenses
- Detached air purge facility via mounting nozzle
- Ambient rating of 180°C or 400°C
- Inexpensive lenses that are straightforward to install and extremely rugged construction. Ideal for product tracking.
High Temperature Quartz Rod Shielded 1° Spot Field of View
Purpose built for mounting in exceptionally high ambient site adjacent to furnaces or hot slab. Used in conjunction with 400°C rated optic lead, withstands 1200°C radiant heat. Lens contamination minimised by screw–on nozzle with or without air purge facility.
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