The mobile non-destructive impedance scanner is designed for the instant surveying of moisture conditions in roofing and waterproofing systems. Ideal for water leak detection in roofing materials.(Previousely known as DSAL)
The mobile non-destructive impedance scanner is designed for the instant surveying of moisture conditions in roofing and waterproofing systems. Ideal for water leak detection in roofing materials.(Previousely known as DSAL)
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Detects and evaluates moisture conditions in roofing and waterproofing systems, this non-destructive scanner features three ranges of sensitivity to enable the surveying of a variety of roof types and roofing depths. Additionally, it can detect moisture in most roofing and waterproofing systems.
Features
Design
Detects and evaluates the moisture conditions within roofing systems by non-destructively measuring the electrical impedance. A low frequency electronic signal is generated, transmitted into the material under test via one of the two electrodes incorporated in the rubber electrode mat, and received by the second electrode. The strength of this signal varies in proportion to the amount of moisture in the material under test. This scanner determines the strength of the current and converts this to a comparative moisture content value. By moving this scanner across a roof surface in a regular pattern, a continuous reading is obtained, and areas that contain moisture can be readily identified.
Operating procedure
Moisture detection testing can be done at the time of installation for warranty auditing and quality control, as part of an ongoing maintenance program, or prior to re-roofing or repair of damaged roofs. This scanner is a durable but lightweight instrument that is easily transported to the roof surface. Having determined a known acceptably dry area, one of three sensitivity ranges is selected, and it is ready to use. Without causing any damage to the roof surface, this scanner is moved over the tested area. It gives continuous moisture condition readings, from which a moisture map of the surface can be drawn up, and leaks traced to their source.
Range selection
This scanner has an integrated and adjustable calibration ability allowing for precise comparative readings. There are three ranges, and they should be selected as best suits the surface under test, for example:
Applications
Measuring Range | 0 to 100 comparative |
Maximum Depth of Penetration | 6" (152 mm) |
Scanning Area | 24 x 15.5" (609 x 394 mm) |
Display | Analog |
Power Supply | 2 x 9 V PP3 batteries (included) |
Limitations | Some EPDM, Butyl rubber roofing and other conductive roofing |
Dimensions | 30 x 15.75 x 6.25" (762 x 400 x 158 mm) |
Weight | 51 lbs (23.1 kg) |
Measuring Range | 0 to 100 comparative |
Maximum Depth of Penetration | 6" (152 mm) |
Scanning Area | 24 x 15.5" (609 x 394 mm) |
Display | Analog |
Power Supply | 2 x 9 V PP3 batteries (included) |
Limitations | Some EPDM, Butyl rubber roofing and other conductive roofing |
Dimensions | 30 x 15.75 x 6.25" (762 x 400 x 158 mm) |
Weight | 51 lbs (23.1 kg) |