[Xi'an] rangefinders | laser rangefinder manufacturers | laser rangefinder provided by 星枫 instruments. Nanchang 星枫 Instrument Co., Ltd. (www.xingfengyiqi.com) had been "Business League certification", please rest assured purchase through the entire network, click on the page check "Business League certification icon," the company authentication information. You can also click on the "Business League Service Icons" on this page directly contact our customer service! A detailed description of the ultrasonic range finder AR841 AR841 Ultrasonic Range Finder is an economical distance measuring instrument can be used in homes, construction teams and other places need to measure the distance. Simple, easy to carry. Technical parameters: Measuring range 0.5 ~ 20m (20inch ~ 65feet) Measurement Accuracy ± 1% working environment 0 ~ 40 ℃ 30 ~ 70% RH operating frequency of 40kHz sampling frequency of 2 sec auto / manual selection function Off Display Selection √ √ laser positioning calculation area and volume calculation of the length of the accumulation √ √ LCD backlit display √ √ buttons to set benchmarks to measure / error / confirmation voice prompts √ single and dual test selector switch √ Power 9V battery (6F22 or the same size batteries) Product Weight 205 g Dimensions 150 * 75 * 46mm Packing boxed DL300 handheld laser rangefinder Features: User-friendly design with user-friendly design, you can be more flexible, accurate and efficient measurement range finder, and is particularly suitable for small spaces. Everything under control; indirect measurement to measure the height it difficult? Now laser rangefinder price, you can use the indirect height and length measurement function (Pythagorean theorem), with only one button can be easy to get; quick and simple laser measurement, single vendor controlled rangefinder, buttons will be easy; Dynamic measurements using dynamic (continuous) tracking measurements laser rangefinder manufacturers, to locate and position relative distance from the reference point, saving time and effort. Built-in two space measuring operational space program, calculate area and volume; Standard configuration: 1 portable pockets 2 sets of silicone bumper host 3 4 5 Battery 6 Fangshuai manual hand side straps with 7 DL300 Handheld .. .. .. laser rangefinder Technical parameters: Measuring range 0.5m ~ 60m minimum display 0.001m accuracy ± 2mm measuring speed 0.5 seconds laser type 650nm, class Ⅱ, <1mw battery 9v battery working time over 5000 measurements / dimensions of each cell 104.7mm × 61mm × 32mm Operating temperature 0 ℃ ~ 40 ℃ Storage temperature -20 ℃ ~ 60 ℃ automatic shutdown Laser: 30 seconds; instrument: 180 seconds