Product Features :
Ultrasonic range finder generate high frequency sound waves and evaluate the echo which is received back by the sensor, measuring the time interval between sending the signal and receiving the echo to determine the distance to an object.
Product Specifications :
Work Elements : Ultrasonic
Measuring Range : Single Unit: 0.5~20m(20inch~65feet)
Double Unit: 1.0~60m(36inch~197feet)
Accuracy : ±1%
Measure In Imperial/Metric : Yes
Resolution : 1cm
Measurement Function : Length, Area, Volume
Operation Condition : 0℃~40℃ 30~70%RH
Data Store / Recall : 5 groups
Auto / Manual Power Off : Yes
Low Battery Indication : Yes
Backlight Display Selection : Yes
Continuous Measuring : Yes
Measuring Benchmark Setup : Yes
Sum Of Length : Yes