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Open Circuit (Fault) and Short Circuit (Fire) notifier
LHDC comprises of a twisted pair of twin core cables. Each core comprises of tinned copper coated spring steel and is coated in a heat reactive polymer. The cable is then protected by a nylon outer sheath.
LHDC black nylon outer sheath provides high resistance to UV Radiation, continuous monitor for fire and fault conditions and maintenance free over its service life (expected 20 years +)
Temperatures: 700-070 – 70°C Alarm Temp, 45°C Max Ambient
700-090 – 90°C Alarm Temp, 70°C Max Ambient
Response Time: Less than 10 seconds to a small flame
Advantages:
Fast response to a small flame less than 10 seconds
Can withstand fixed temperature 90˚C operation with 70˚C ambient temperature.
Intrinsically safe operation, suitable for Zone 0, Zone 1 or Zone 2 hazardous areas
Single zone or Multi Zone configuration / tank, with optional location display
For more information visit www.fsesafe.com/linear-heat-detection-cable.php
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From the Alexandria National Cemetery. Another view:
www.flickr.com/photos/61648752@N04/5726036471/in/photostream
Lomo LC-A+
Lomograpghy Fine Color 100
This VIS image is located on the eastern flank of Alba Mons. Linear faults and graben surround the volcano, intersecting and deflected around the summit. The large graben is called Phlegethon Catena. The term catena means a string of craters or circular depressions. The circular depressions in this image were likely formed by the collapse of the preexisting surface into a subsurface void. Graben are formed by extension of the crust and faulting. When large amounts of pressure or tension are applied to rocks on timescales that are fast enough that the rock cannot respond by deforming, the rock breaks along faults. In the case of a graben, two parallel faults are formed by extension of the crust and the rock in between the faults drops downward into the space created by the extension. Several sets of graben are visible in this THEMIS image, trending from north-northeast to south-southwest. Because the faults defining the graben are formed perpendicular to the direction of the applied stress, we know that extensional forces were pulling the crust apart in the west-northwest/east-southeast direction. Phlegethon Catena is 400km long (248 miles).
This martian scene spans 19 x 67 kilometers (12 x 42 miles). To see where on Mars this area lies, and to download high-resolution versions of the image go to themis.asu.edu/zoom-20240130a
See the Red Planet Report at redplanet.asu.edu for updates on Mars research and exploration. For more about Mars geology, check out the Mars-ePedia: marsed.asu.edu/marsepedia
For the latest THEMIS Mars images as received by mission scientists, see themis.asu.edu/livefrommars. To learn more about the THEMIS camera and its Mars images, see themis.asu.edu
This image is in the public domain and may be republished free of charge. If used, please credit it as NASA/JPL-Caltech/Arizona State University.