T660

This guide provides instructions for operating the T660 device.

1. Turn on the unit using the power button on the right-hand side. Hold the unit in the air with your hand below the unit, far away from the steel ball.
2. Touch the keypad to light up the screen.
3. Hold the [menu button] down until the menu appears, indicated by a [left arrow] button.
4. Press the [down arrow] button until the MAT is flashing on the screen.
5. Press the [tick button].
6. The number "0" will be flashing.
7. Press the [up arrow] button twice; the "2 CE" will appear.
8. Hold the [tick button].
9. The device will now show two values: 0.0 and 0.0.
10. The top number (0.0) will go up to 7.6, representing the volume mass for concrete. It should read under 3.4. If you press the [up arrow] button, "CM" will appear, indicating a Calcium Carbide Equivalent.
11. This value will go down to 40 mm and should read under 2.0, which is equivalent to 75% relative humidity.
12. The bottom number goes up to 200 digits; this is a relative scale for all other building materials.
13. Using the [left arrow] button, you can scroll between: Actual reading, Minimum reading, Maximum reading, Average reading.
14. To take screen readings, hold the [hold button]. To change to take new screen readings, press the [tick button].

The device features a display showing readings such as 2.0 % and 8.5 CM. It is a yellow and black handheld instrument with a screen and multiple control buttons. The device is MADE IN GERMANY.