© 2017 Proceq SA 46
Profometer Touchscreen Universal
Display
7” colour display 800x480 pixels
Memory
Internal 8 GB flash memory
Regional settings
Metric and imperial units and multi-
language and timezone supported
Power input
12 V +/-25 % / 1.5 A
Dimensions
250 x 162 x 62 mm
Weight (of display device)
1525 g (incl. battery)
Battery
3.6 V, 14 Ah
Battery lifetime
> 8h (in standard operating mode)
Humidity
< 95 % RH, non condensing
Operating temperature
-10°C to +50°C
IP classification
Touchscreen IP54, universal probe
IP67
NOTE! For the full ASTM C876 compliance, depending on
the maximum aggregate size of the investigated concrete,
the user may have to provide the larger contact sponge than
supplied with the rod electrode.
8. Maintenance and Support
8.1 Maintenance and Cleaning
To guarantee consistent, reliable and accurate measurements, the instru
ment should be calibrated on a yearly basis. The customer may however,
determine the service interval based on his or her own experience and
usage.
Do not immerse the instrument in water or other fluids. Keep the housing
clean at all times. Wipe off contamination using a moist and soft cloth.
Do not use any cleaning agents or solvents. Do not open the housing of
the instrument yourself.
Maintenance of the Rod Electrode
• Unscrew the two caps, wash with water and carefully clean the inner
side of the tube.
• Clean the copper rod using emery cloth.
• Refill the electrode with copper sulphate (See section “4.2.1. Prelimi-
nary Operations”)
Maintenance of the Wheel Electrode
• Remove the felt hoops and wash in lukewarm water.
• Remove the plastic filling screw and pour the copper sulphate solution
into a container. (This can be reused.)
• Flush out several times with water.
• Dissolve 1 part citric acid in 10 parts hot water and half fill the wheel.
• Replace the filling screw.
• Leave for 6 hours, shaking occasionally.
• Pour out the citric acid solution (no special disposal procedure is re-
quired) and flush out several times with water.
• Refill the electrode with copper sulphate solution. (See section “4.2.1.
Preliminary Operations”)
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