Mastergrip Laser Distance Meter
Product Description:
A laser distance measure is an advanced measuring tool to measure any distance without any efforts. It has a laser beam that is produced by the meter with the help of a battery and reflects it through a lens. The meter can measure the distance covered by the leaser and the result is shown on the display. Mastergrip laser distance meter is a digital distance measuring tool for precise and effortless measurement taking. It is an ideal measuring device for contractors, insurance adjusters, architects, flooring professionals and other people who do a lot of measuring. However, homeowners can easily use laser tape measures around the house, too.
User instruction:
Place the device on one end of what you want to measure, and then aim the laser beam so that it hits an object at the other end..If there's no wall, pole or anything like that, put a target at the spot you want to measure up to. The process is similar to using a conventional tape measure, except you use a laser beam instead of metal tape. Once you have the laser at the right spot, press the button, and the tape measure calculates the distance and displays it on its screen. The calculation is done through precision optics and laser physics using the phase-shift method, in which a laser hits an object and compares its reflection with the beam sent out, or using the time-of-flight method in which the time it takes for an optical pulse to reflect back is calculated. Some laser tape measures let you measure multiple distances and add them together automatically.
Specification:
Brand
WINTAPE or customized
Material
Metal case
Size
L 120mm * W 60mm * D 29mm
Measurement Accuracy
+/-1.5mm
Measurement Range
0.03-100m
Smallest unit display
1mm
Laser switched off automatically
15 seconds
Device switched off automatically
360 seconds
Laser type
Class2,635 mm,<1mW
Water-proof and dust-proof grade
IP54
Unit conversion
meter / inch / feet
Operating temperature
0 ºC to +40 ºC (32ºF to 104ºF)
Storage temperature
-10ºC to +50ºC (14ºF to 122ºF)
Battery powered
1.5V*2 pieces AAA type (R03 / LR03)
Battery life
> 5000 times
Weight (approx.)
110 g (without battery)
Security
EN-71,RoHS, 6P
Packing
1pcs/box+inner box, 50pcs/carton, Carton size:53*25*31cm
NW/GW:9/10kgs
Payment Terms
T/T( Paypal, Bank Transfer), Western Union
Shipping
By Sea, Air, Express
Measurement accuracy: +/-1.5mm
Measurement range: 0.03-100m
Smallest unit displayed: 1mm
Single measurement time: 0.1-3 seconds
Measuring unit: m/ft/in
Laser grade: Class II
Laser Type:635nm, ＜1mW
Inclinometer: 0/90 degree
Continuous distance measurement: Supported
Area/volume/pythagorean measure: Supported
Min and max measurement value: Supported
Measuring reference switch: Supported
Display illumination: Supported
Battery type: AAA size alkaline battery 1.5V*2
Water-proof and dust-proof grade: IP54
Operating temperature: 0℃-40℃
Storage temperature: -20℃-60℃
Laser switched off automatically: 15 seconds
Device switched off automatically: 360 seconds
Dimensions: 117*50*26mm
40M Laser Measure,Handheld Digital Distance Meter Measure,Digital Distance Meter Measure Wintape Measuring Tape Company , https://www.wintapetape.com
Find the source of night vision surveillance such as daytime
Many residential monitoring systems became black or white in the evening, so that surveillance became a "vacancy." This phenomenon is not uncommon, of course, some may be strong light environment, the surveillance camera does not complete a good suppression effect, but more importantly, the surveillance camera's most primitive infrared function runs where it is.
The main purpose of infrared cameras is to see images both day and night. In order to improve the color purity of the daytime and the quality of the night vision effect, switch to infrared cameras that do not feel infrared filter and switch to infrared filter in the daytime. The main function of the infrared filter is to filter out some stray light. Only allow infrared light and visible light to pass through. In order to make the night vision monitor better, the filter actually filters out the useless light, and in effect it achieves the "fill light" function.
Does not feel the difference between infrared and infrared sense and contact
The main function of the IR filter is to allow only visible light to pass through, and all other wavelengths, including infrared light, that are not visible to the human eye will be filtered out. The infrared camera that does not feel infrared filter is more pure in daytime color; in contrast, the infrared camera that senses the infrared filter has visible light and infrared light at the same time, the color will deviate from the actual color, if there is halogen lamp, etc. In case of special light, the color deviation will be more outrageous.
Infrared lamp and monitor lens relationship
If a surveillance camera has a built-in infrared filter, then the infrared camera has no way to allow infrared light to enter the camera at night, so the image will be a black one; this verifies the example of monitoring black above night. If the surveillance camera has a built-in infrared filter, the infrared camera can sense black and white images by reflecting infrared light at night.
Many infrared cameras with surveillance cameras are standard, so can the user change it according to the actual environment? An infrared light emitting angle is 80 degrees, which is equivalent to the angle of 3.5mm fixed lens; if the viewing angle of the monitoring lens is inconsistent with the infrared light emitting angle, then it will cause a waste phenomenon, with the increasing focal length The smaller the viewing angle, the angle of the infrared light we choose should also change.
If the infrared light emission angle is too large, the imaging of the near edge will be too bright, forming a "light curtain" phenomenon; the far center will not be visible, but only one white phenomenon; if your monitoring system has such a problem, you may wish Self-check to see if the model is wrong. Through the above analysis, we hope to have a better understanding of the night vision without imaging. Although this is not the absolute cause of the inability to image, it is absolutely a problem that users often encounter in the use process and the use of errors.
Poor monitoring results at night, we can understand, after all, in addition to the surveillance camera itself, the infrared light is the key factor to determine the success or failure, in fact, I believe that if the surveillance camera has set the low light monitoring function, perhaps without infrared, etc. can also support Night monitoring. However, there are no uniform standards for technical specifications, and the use of low-light cameras in special areas or in large open areas can be a limiting factor, making low-light-monitoring products difficult to popularize in the low-end security market. Perhaps this is precisely the explanation that future security technologies will develop in more mature areas.
To see if a monitoring and engineering company has experience and responsibility or not, it depends on the time they installed the monitoring. In general, the daytime light is better, and the monitoring camera imaging effect is also good; on the contrary, after the evening is ten, after the light is dimmed, can your monitoring imaging be as clear as daylight? If not, then you should look for an engineering contractor to talk about it. Either you have a problem with your equipment or you can find a suitable time to re-debug the screen.