Features:
Reference parameters:
Measuring scope: 0.5 - 18 M
Unit of measurement: feet,meters
Resolution: 0.01 m
Maximum distance is measured: 18 m
The sum of the maximum distance: 180.00 m
The biggest calculation area: 18 × 18 square metre
The biggest volume calculation: 1800.0 cubic meters
Battery: 1 X 9V battery (6F22) (included)
Launch frequency: 40 kHz
Precision: plus or minus 0.5%
Resolution: 0.01 m
Working temperature: 0 ° C ~ 50 ° C
device inch:15x7x4.5cm
Explanation:
Measuring instrument display is generally in 30 seconds, if you change another model is also to 30 seconds.
If you measure range of less than two feet (0.5 meters) or is greater than 60 feet (18.288 meters) will show "ERROR"
Measuring the little secret:
Some curtain can absorb sound waves and lead to measuring instrument to measure. If you have the curtain in measuring indoor words, please first the curtain on the other side of the window, and close the window.
If the distance is measured in the obstacles of words, the ultrasonic measure out of the data is not correct, for example, tables, chairs, or other obstacles. If you're not sure you measure of whether correctly, that you from different Angle to DuoCi measurement.
If you measure is not smooth place or is a very narrow corner, then you that the data is wrong.
If you want to measure the distance of more than 60 feet (18.288 meters) that the choice of the middle of the house of a bit, for example: from which point to each side measurement, then add up.
Reduce the measurement error:
1. According to these steps with "measure" to measure a size
2. Click "STORE" button, you can put the measurement data stored in the memory card M1 and M2 or M3 card face.
3. If necessary, just repeat the first and the second step to store data.
4. If you want to store data on which memory card, press the M1 and M2 or M3 card. Such data has it.
5. If you want to store the new data, it would direct the original data deleted.
6. If you want to delete ALL the data of words, then click "ALL MEMORY CLEAR" hold 3 seconds, and then ALL of the data and M1 and M2, such as M3 will temporarily disappeared.
Package:
1 x laser rangefinder
1 x user manual