Surveying in Tunneling
offer   Item No. : 1184 Item online since: 19-01-2006 print page
Item DEFO - PERMA Monitoring System

Comment Permanent Deformation Monitoring System

Country ´╗┐Germany
City Frankfurt

Terms of payment
Upon request

DEFO-PERMA Permanent Deformation Monitoring

DEFO-PERMA is a programme for permanently monitoring measuring points. The standard sensor embraces a servo-driven theodolite with automatic target finding.
The programme activates the servo-driven theodolite in such a way that first of all, an orientation measurement is performed, whereupon the points to be monitored are measured. This cycle is permanently repeated.

Point movements are instantly displayed in a bar chart on the screen. Two set limit values for alarm release may be assigned to each measuring point. Once these thresholds are reached, the deformation bar graph changes colour. In addition, optical or acoustic alarm signalling is possible via an alarm box connected to the USB port.

Measurement results are stored in a log file as well as a database. The values stored in the database may be edited in various ways as a CSV file for EXCEL.

DEFO-PERMA options:

Alarm box - for triggering optical and acoustic alarm devices.

Virtual Cable - Bluetooth/R232 transmission distance instead of connecting cable.

SMS-out - SMS alarm signal when thresholds are exceeded.

Diagram - for representing deformations in relation to time / deformation diagram available directly on the screen and as a printout

Inclino-on - interface for integrating inclination transmitters (device-specific)

Displacement-on - interface for integrating displacement sensors (device-specific)

Ultrasound-on - interface for integrating ultrasonic detectors, for instance for performing measurements on liquid surfaces (pipe scales principle) (device-specific)


Example 1: Screen with observations

Example 2: Docu-based plotting of deformations

Example 3: Alarm box (USB), acoustic, optical

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DEFO - PERMA Monitoring System
DEFO - PERMA Monitoring System DEFO - PERMA Monitoring System DEFO - PERMA Monitoring System
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Contact Mr Endres
Phone +49 69 93402137
Fax +49 69 93402139
Mobile +49 171 5734539
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