Overview

 

1) Taking a measurement 

 

-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 room’s 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) Calculating area: 

 

-Follow these steps to find the area of any two stored measurements. 

 

-Measure the width and length of a room and store the measurements in M1 and M2 (see "Saving a Measurement"). 

 

-Press AREA, M1, and M2, the area calculation appear. 

 

6) Adding/subtracting stored measurements 

 

-Measure any two dimensions of a room and store the measurements in memory locations 1 and 2 (see “Saving a Measurement”) 

 

-Press ALL MEMORY CLEAR. 

 

-Press M1, +, M2, then + to add the measurements, or M1, -, M2, then - to subtract them. The value of the calculation appears. 

 

-To clear the display and do another measurement, press ALL MEMORY CLEAR. 

 

* Specifications: 

 

1) Power Source…1x9V battery(not included) 

 

2) Unit of measurement……Feet or Meters 

 

3) Accuracy……0.5%±1digit (8~60ft) 

 

......1%±1digit (2~8ft) 

 

4) Working Frequency……………………………………….40kHz 

 

5) Working Temp…………32 to 109.4℉(0 to 43℃) 

 

6) Range…………2 to 60ft (0.61 to 18.288m) 

 

7) Size: 65x155x43mm

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Type of Packing: Blister Packing

Package Includes: User Manual