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Ultrasonic Laser Point LED Distance Measure Meter Tool(Blue)
Ultrasonic Laser Point LED Distance Measure Meter Tool(Blue)
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- Press MEASURE to turn on the unit. The measurer beeps then the distance between the measurer and the point you measured appears.
- Hold the bottom of the measurer flat against a wall, about halfway between the floor and ceiling. Be sure there is a clear path to the point you want to measure and that your head or hands do not block the front of the measurer.
- Repeatedly press FEET/METER until FEET appears (to measure in feet ) or until METER appears (to measure in meter).
- Press and hold down MEASURE to take a continuous measurement
2. Stabilizing the measure
- Your measurer is sensitive to changes in temperature and humidity. Before you use the measurer, wait about 15~30 minutes for it to stabilize to the current rooma is temperature.
3. Measuring Tips
- Some types of curtains and blinds can absorb sound waves, causing measurements to be inaccurate. If you are measuring distances in a room with curtains, open the curtains before measuring the distance to a window behind them. Also, be sure that the window is closed.
- If there is not a clear path between the points where you are measuring, you might receive a false reading from sound waves bouncing off objects such as chairs, tables and objects with uneven surfaces. If you are not sure if a measurement is correct, move slightly to one side then measure the distance again.
- If the surface of a wall you are measuring is not solid and flat, of if you are measuring in a narrow corridor, you might receive a false reading. If this happens, use a solid surface to measure or move to the center of the corridor.
- To measure a distance longer than 60 feet (18.288meters), select a point in the middle of the room (for example), measure from the center of the room toward each side, then add the two measurements.
4. Calculating volume
- To find the volume of a room, measure the height, width and the length of the room and store each measurement in a different memory location (see "Saving a Measurement"). Then press VOLUME, the volume calculation result appear.
5. Power Source: 1 x 9V battery(not included)
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