Preparing The Gauge For Test - Elcometer 506 Bedienungsanleitung

3 SECURING THE DOLLY (continued)
3.2 TESTING ON CONCRETE USING 50mm DOLLIES
When testing on concrete using 50mm dollies, scoring of the coating down to,
or into, the surface of the concrete may be required.
1 If testing on coatings thicker than 0.5 mm (20 mils) use the 50mm dolly
cutter and arbor (mounted in a drill press or hand drill) to cut a "ring" into
the concrete
Note: Ensure that the scoring is perpendicular to the coating and that the test area is
not subjected to twisting or torque. To minimise heat and suppress dust, water
lubrication may be required.
2 Follow steps 1-4 in Section 3.1, making sure the dolly is positioned inside
the cut "ring"
To score coatings thinner than 0.5 mm (20 mils), a sharp knife may be suf ficient to carefully score around
the dolly once it has been secured in place by adhesive.

4 PREPARING THE GAUGE FOR TEST

Fit the batteries (digital gauge only, see Section 9.1) and once the
appropriate dolly skirt is attached to the actuator:
1 Turn the crank handle anti-clockwise until it is fully unwound
2 Turn the coarse adjustment screw anti-clockwise until it is fully unwound
3 Ensure the quick connect coupling is fully depressed
4 Zero the pressure gauge, see Section 4.1 & 4.2
5 Select the measurement units; MPA or PSI (digital gauge only, see
Section 9.3)
6 Select the dolly size (digital gauge only, see Section 9.4)
†
Dolly skirts are available for different dolly diameters and for thin substrates - see Section 11 "Dolly Skirts" on page 12 for details.
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