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port expansion with two PCF8574 chips
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digital potentiometer control
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serial 32 segment LCD driver control
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128 x 64 G1216 graphic
display drive
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32k bytes none volatile storage of logged results
in a 24WC256 EEPROM
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serial 12 bit A-D chip operation
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analogue switch arrays
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downloads to PC or serial printer
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dual keypad scanning
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The SCRIBE CPM combined Logging
Cover/Potential meter
 The
Triangle Digital Support TDS9092 card computer
is the heart of this instrument. It is used for quality control
of new construction work or to survey unrecorded existing structures
to assess structural integrity.
It can also to locate bars prior to other tests such as core
drilling. In None Destructive Testing (NDT) of reinforced concrete
structures, existing and new, two of the most frequent measurements
made are Depth of Cover over the reinforcing bars and Half-Cell
Potential on the surface with respect to the reinforcement. Half-Cell
potential measurements enable detection of areas of corrosion of
the reinforcement, and also indicate rates of possible corrosion.
The Scribe CPM instrument is unique in being the only combined
Logging Cover and Half-Cell Potential Meter
on the market.
Other unique features include:
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dual LCD displays, a large 4 digit backlit display of
readings and a 128 x 64 graphic display for menus,
on screen guidance, viewing windows of stored results in geographic
form etc.
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dual inputs and controls for left or right hand working.
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refillable silver/silver chloride mapping electrode. The
instrument accuracy is better than BS1881 and conforms to ASTM 876.
For further information the The SCRIBE CPM combined Logging Cover/Potential
meter, see the web site of CMT Instruments
Ltd or email Nick Payne. |
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