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Kolectric
Micro Covermeter
8020
Technical Specifications


A typical operating screen is shown below

Kolectric 8020 Concrete MicroCovermeter Micro Covermeter

On/Off-Function switch on keypad selects Menus as required. The screen appearing immediately after the Cover depth screen shown above is for Bar Sizing. A further screen is available for examining data that has been logged from the K9 probe. This probe also has an LED for assisting in finding the top dead centre position of bars as the probe is swept across the surface.

Bar Sizing Accuracy                                   

± 0,5mm to ± 1.5 mm

 

 

 

Dependent on bar size and cover depth and the closeness of other bars. Error codes indicate to the

 

user if there is too much or too little cover for a bar size to be estimated. Otherwise the bar size is

 

indicated and the current bar size used by the 8020 is updated automatically, resulting in greater

 

depth indication accuracy.

 

 

Bar Sizing Resolution                           

0.1 mm

 

 

 

Bar Sizing

The minimum depths of between 8-22 mm of cover, which are dependent on the bar size, can be

 

overcome by the introduction of any spacer when the bar is too close to the surface.

 

Typically a 6 mm bar can be sized down to 60 mm of cover

 

 

and a 40 mm bar can be sized down to 80 mm of cover.

 

Cover Depth Measurement Range                

 

 

 

 

From 5 to 185 mm dependent on bar size. Readings closer to zero can be achieved by insertion of

 

spacer of known thickness to increase distance of probe from target.

 

Cover Depth Accuracy                             

to 1 mm

 

 

 

 

Examples of

± 1 mm up to  60 mm cover

± 3 mm up to 160 mm

 

 

Accuracy

± 2 mm up to 120 mm

± 4 mm over  160 mm

 

 

Better than BS1881 part 204 over full range of Instrument

 

Bar Resolution

Dependent on bar size and cover. Some examples are shown here.

 

 

Bar Diameter:

Cover:

Minimum Spacing:

 

 

16 mm

60 mm

70 mm

 

 

16 mm

100 mm

110 mm

 

 

25 mm

130 mm

150 mm

 

Data Logging Capability

The logging capacity is 10000 bits of information comprising:

 

Cover measurement

Bar size

 

 

 

 

Date

 

 

 

 

Time

 

 

 

 

Log Number

 

 

 

 

The PC application communicates with the 8020 via a serial port and enables the downloading

 

directly into a Microsoft Excel spreadsheet format (*.csv file). This will include the facility to

 

download a selected range of logged data "points" such that only the required data is transferred

 

to the spreadsheet. This program is simple to install and works with Windows 2000, ME & XP.

Kolectric 8020 Concrete MicroCovermeter Micro Covermeter

Kolectric 8010 8020 Concrete MicroCovermeter Micro Covermeter Comparison